how many moles of CaO will form if 10.0 moles of CO2 are produced

Answers

Answer 1
The balanced chemical equation for the reaction that forms CaO and CO2 is:

CaCO3(s) → CaO(s) + CO2(g)

According to the equation, 1 mole of CaCO3 produces 1 mole of CaO and 1 mole of CO2.

Therefore, if 10.0 moles of CO2 are produced, it means that 10.0 moles of CaO are also produced since the reaction stoichiometry is 1:1.

So the answer is 10.0 moles of CaO.

Related Questions

It is advantageous for a predator to prey exclusively on a single prey species

Answers

Answer: It is not necessarily advantageous for a predator to prey exclusively on a single prey species, as this can limit their options and make them vulnerable if the population of that prey species declines or becomes extinct. Predators that are more flexible and able to switch between different prey species may be better equipped to survive and thrive in changing environments.

However, there are some advantages to specializing in a single prey species. For example, a predator that is well adapted to hunting a particular prey species may be more efficient and successful at capturing and consuming that prey, which could provide a reliable source of energy. Additionally, if the predator and prey have co-evolved, the predator may have adaptations that specifically allow it to exploit the weaknesses or vulnerabilities of its prey, giving it an advantage over predators that are less specialized.

What masses of 15% and 20% solutions are needed to prepare 200 g of 17% solution?

Answers

Answer:

Meant to be used in both the teaching and research laboratory, this calculator (see below) can be utilized to perform a number of different calculations for preparing percent (%) solutions when starting with the solid or liquid material. It is very common to express the concentration of solutions in terms of percentages. Percent means per 100 parts, where for solutions, part refers to a measure of mass (μg, mg, g, kg, etc.) or volume (μL, mL, L, etc.). In percent solutions, the amount (weight or volume) of a solute is expressed as a percentage of the total solution weight or volume. Percent solutions can take the form of weight/volume % (wt/vol % or w/v %), weight/weight % (wt/wt % or w/w %), or volume/volume % (vol/vol % or v/v %). In each case, the percentage concentration is calculated as the fraction of the weight or volume of the solute related to the total weight or volume of the solution.

Because percent solutions can be expressed in three different ways, it is imperative that the type of percent solution be explicitly stated. If this information is not provided, the end user is left to "guess" whether w/v %, w/w %, or v/v % was used. Each percent solution is appropriate for a number of different applications. For example, commercial aqueous reagents, such as concentrated acids and bases, are typically expressed as weight/weight % solutions. For example, commercially available concentrated hydrochloric acid (HCl) is 37% by weight (w/w %). On the other hand, many dilute solutions used for biological research are expressed as weight/volume % (e.g., 1% sodium dodecyl sulfate, SDS). Volume/volume % solutes are also common, and are used when pure solutes in liquid form are used. For example, a 70 % (v/v) solution of ethanol can be prepared by dissolving 70 mL of 100% (i.e., 200 proof) ethanol in a total solution volume of 100 mL.

Explanation:

Calcium nitrate and ammonium fluoride react to form cal-
cium fluoride, dinitrogen monoxide, and water vapor. What mass
of each substance is present after 16.8 g of calcium nitrate and
17.50 g of ammonium fluoride react completely?

Answers

Answer:

Calcium fluoride (CaF2): 11.06 g

Dinitrogen monoxide (N2O): 2.08 g

Hydrogen fluoride (HF): 5.68 g

Water vapor (H2O): 8.52 g

Explanation:

We can start by writing the balanced chemical equation for the reaction:

3 Ca(NO3)2 + 10 NH4F → 6 HF + 3 CaF2 + N2O + 10 H2O

This equation tells us that 3 moles of calcium nitrate (Ca(NO3)2) react with 10 moles of ammonium fluoride (NH4F) to produce 3 moles of calcium fluoride (CaF2), 1 mole of dinitrogen monoxide (N2O), 6 moles of hydrogen fluoride (HF), and 10 moles of water (H2O).

We can use the molar masses of each substance to convert the given masses into moles, and then use the mole ratios from the balanced equation to determine the moles of each product formed. Finally, we can convert the moles of each product back into masses using their respective molar masses.

Molar masses:

Ca(NO3)2 = 164.1 g/mol

NH4F = 37.04 g/mol

CaF2 = 78.08 g/mol

N2O = 44.01 g/mol

HF = 20.01 g/mol

H2O = 18.02 g/molMasses given:

m(Ca(NO3)2) = 16.8 g

m(NH4F) = 17.50 g

Converting masses to moles:

n(Ca(NO3)2) = m(Ca(NO3)2) / M(Ca(NO3)2) = 16.8 g / 164.1 g/mol = 0.1022 mol

n(NH4F) = m(NH4F) / M(NH4F) = 17.50 g / 37.04 g/mol = 0.4729 mol

Using the mole ratios from the balanced equation, we can determine the number of moles of each product formed:

n(CaF2) = 3/10 * n(NH4F) = 0.1419 mol

n(N2O) = 1/10 * n(NH4F) = 0.0473 mol

n(HF) = 6/10 * n(NH4F) = 0.2837 mol

n(H2O) = 10/10 * n(NH4F) = 0.4729 mol

Finally, we can convert the moles of each product back into masses:

m(CaF2) = n(CaF2) * M(CaF2) = 0.1419 mol * 78.08 g/mol = 11.06 g

m(N2O) = n(N2O) * M(N2O) = 0.0473 mol * 44.01 g/mol = 2.08 g

m(HF) = n(HF) * M(HF) = 0.2837 mol * 20.01 g/mol = 5.68 g

m(H2O) = n(H2O) * M(H2O) = 0.4729 mol * 18.02 g/mol = 8.52 g

Therefore, the mass of each substance present after the reaction is:

Calcium fluoride (CaF2): 11.06 g

Dinitrogen monoxide (N2O): 2.08 g

Hydrogen fluoride (HF): 5.68 g

Water vapor (H2O): 8.52 g

You submerge 100 grams of steel in 200 grams of water. If the steel has an initial temperature of 90°C and the water has an initial temperature of 15°C, what is the final temperature of the system? The specific heat capacity of the steel is 0.15 cal/g °C.

Answers

the final temperature of the system is 7.3°C.

write the dissociation equation for lithium hydroxide (lioh, a strong base). use --> for a one way arrow or <--> for a two way arrow.

Answers

The dissociation equation for lithium hydroxide (LiOH), a strong base, is: LiOH (s) → Li+ (aq) + OH- (aq) A dissociation equation is an equation that represents the dissociation of a compound into its ions when dissolved in a solvent.

In this case, LiOH dissociates in water to form Li+ and OH- ions. LiOH is a strong base because it dissociates almost completely in water, producing a high concentration of OH- ions. The dissociation of a strong base is represented by a one-way arrow in the equation, indicating that it proceeds almost completely in one direction.A two-way arrow, <--> , is used in equilibrium reactions, where the forward and reverse reactions occur at the same rate. This is not the case for the dissociation of strong bases like LiOH, where the reaction proceeds almost completely in one direction.

For more such questions on dissociation

https://brainly.com/question/29012577

#SPJ11

Which of the following reaction types are reversible?

a Synthesis

b. Decomposition

c. Single-Replacement

d. Both A&B are correct

Answers

According to the question Synthesis and Decomposition reaction types are reversible.

What is reversible?

Reversible items are those that can be returned to their original state after being altered or changed in some way. Examples of reversible items include clothing items with zippers or buttons, items that can be folded or unfolded, items with removable parts, and items that can be reconfigured. Reversible items can be used multiple times, which helps reduce waste and save money. Additionally, reversible items can be used in a variety of different ways, giving them more versatility than non-reversible items. Reversible items can also be reconfigured to fit different needs and situations. For example, a reversible shirt can be worn with the buttons on the front or the back, giving it a different look each time it is worn. Reversible items are a great way to be more eco-friendly and get the most out of your wardrobe.

To learn more about reversible

https://brainly.com/question/21426719

#SPJ1

The reversible reaction types include Synthesis and Decomposition.

How does reversible reaction work?

The chemical processes known as reversible reactions are those that can go both forward and backward.

These processes are also referred to as bidirectional processes. Typically, a reversible reaction is represented as A⇌B

A is the reactant and B is the product in this instance.

Reactant: A chemical reaction begins with reactants or starting ingredients. Chemical bonds between reactants are broken and new ones are made to create products during this chemical transformation. A is the reactant in this scenario, while B is the outcome.

To know more about the reversible reaction visit:

https://brainly.com/question/16614705

#SPJ1

Identify each of the following compounds as an alcohol, a phenol, or an ether. Drag the appropriate items to their respective bins.

Answers

The functional group in alcohol is a hydroxyl group (-OH), in phenol, it is a hydroxyl group attached to a benzene ring, and in ether, it is an oxygen atom (-O-) between two alkyl or aryl groups.

Given that the question asks to identify each of the following compounds as an alcohol, a phenol, or an ether. The question seems to be incomplete as there are no options or compounds mentioned. However, given below is a general explanation of the three compounds -Alcohol: Alcohol is a compound that contains a hydroxyl functional group (-OH) that is attached to a carbon atom. The hydroxyl group in alcohol makes it polar and thus, able to form hydrogen bonds. Alcohol is used as a solvent, fuel, and disinfectant. Phenol: Phenol is an aromatic compound that contains a hydroxyl group (-OH) attached to a benzene ring. It is used in the production of detergents, plastics, and pharmaceuticals. Phenol is used as a disinfectant and anesthetic. Ether: Ether is an organic compound that contains an oxygen atom between two alkyl or aryl groups. It is a colorless, volatile, and highly flammable liquid that is used as a solvent and as a starting material in the synthesis of organic compounds. To identify a compound as an alcohol, phenol, or ether, we need to examine the functional groups in the molecule.

To learn more about Functional group :

https://brainly.com/question/696051

#SPJ11

which of the following statements may be true regarding a biochemical oxidation-reduction (redox) reaction?

Answers

A few statements may be true regarding a biochemical oxidation-reduction (redox) reaction. The statements are as follows: A redox reaction occurs when there is a transfer of electrons between molecules or atoms.

The electron donor becomes oxidized, and the electron acceptor is reduced, causing a transfer of energy. A redox reaction produces ATP, which is the primary energy currency of the cell. Oxidation and reduction are complementary reactions that occur simultaneously in the same reaction, resulting in the release of energy. Redox reactions are vital in metabolic pathways, and the electron carriers NAD+ and FAD+ are essential in these reactions. Oxygen is frequently used as a final electron acceptor in redox reactions. Redox reactions can also occur in non-cellular environments, such as photosynthesis, respiration, and combustion. The significance of redox reactions is enormous, and they play an essential role in sustaining life on earth. They help in generating energy, breaking down complex molecules, synthesizing molecules, and many other cellular processes.

To learn more about  Oxidation-reduction :

https://brainly.com/question/13892498

#SPJ11

Determine the empirical formula for a compound that is composed of 0.953 mol Na, 0.322 mol Al, and 1.93 mol F.

Answers

Answer: NaAlF6

Explanation:

1) divide by the smallest number of moles

0.953/.322 =2.96 round to 3 Na

.322/.322 = 1 Al

1.93/.322 =5.99 round to 6 F

2) write in order numbers were give

NaAlF6

Consider a galvanic cell in which Al3+ is reduced to elemental aluminum and magnesium metal is oxidized to Mg2+. Write the balanced half-cell reactions that take place at the cathode and at the anode. half-cell reaction at the cathode: ||2A13+ + 6e- → 2AI half-cell reaction at the anode: 3Mg → 3Mg2+ + 6e-

Answers

Al3+ is reduced to elemental aluminum at the cathode, whereas magnesium metal is oxidized to Mg2+ at the anode. The balanced overall reaction of the cell is:3Mg + ||2Al3+ → 3Mg2+ + ||2Al

The half-cell reactions that take place at the cathode and anode of a galvanic cell in which Al3+ is reduced to elemental aluminum and magnesium metal is oxidized to Mg2+ are as follows:

Half-cell reaction at the cathode: 2Al3+ + 6e- → 2Al

Half-cell reaction at the anode: 3Mg → 3Mg2+ + 6e-

Galvanic cell is an electrochemical cell that drives spontaneous redox reactions to produce electrical energy. The given galvanic cell has the following half-cell reactions:half-cell reaction at the cathode: ||2A13+ + 6e- → 2AI half-cell reaction at the anode: 3Mg → 3Mg2+ + 6e-Thus, Al3+ is reduced to elemental aluminum at the cathode, whereas magnesium metal is oxidized to Mg2+ at the anode. The balanced overall reaction of the cell is:3Mg + ||2Al3+ → 3Mg2+ + ||2Al

For more such questions on aluminum

https://brainly.com/question/28082370

#SPJ11

Calculate how much solid NaH2PO4•H20 and Na2HPO4 are required to prepare 50.00 mL of a 0.100 M buffer that is 0.0500 M in NaH2PO4 and has a pH of 7.20?

Answers

To prepare 50.00 mL of a 0.100 M buffer that is 0.0500 M in NaH2PO4 and has a pH of 7.20, 0.345 g of NaH2PO4•H2O and 3.15 g of Na2HPO4 are required.

Calculate the ratio of [A^-]/[HA] using the Henderson-Hasselbalch equation:

        [A^-]/[HA] = 10^(pH - pKa) = 10^(7.20 - 7.21) = 0.891

Calculate the concentrations of NaH2PO4 and Na2HPO4 in the buffer:

        [HA] = 0.0500 M

        [A^-] = [HA] x [A^-]/[HA] = 0.0500 M x 0.891 = 0.0445 M

Calculate the moles of NaH2PO4 and Na2HPO4 required to make 50.00 mL of the buffer solution:

        moles of NaH2PO4 = 0.0500 M x 50.00 mL / 1000 mL = 0.00250                      mol

        moles of Na2HPO4 = 0.0445 M x 50.00 mL / 1000 mL = 0.00223 mol

Calculate the mass of NaH2PO4•H2O and Na2HPO4 required using their molar masses:

        mass of NaH2PO4•H2O = 0.00250 mol x 138.0 g/mol = 0.345 g

        mass of Na2HPO4 = 0.00223 mol x 141.96 g/mol = 3.15 g

What is pH?

pH is a measure of the acidity or basicity of an aqueous solution. It is defined as the negative logarithm of the hydrogen ion concentration [H+] in moles per liter (M), pH = -log[H+].

To know more about pH, visit:

https://brainly.com/question/15289741

#SPJ1

Which transition metal can form both a high and low spin complex? Zn2+, Cu2+, Mn3+, Ti2+

Answers

Answer: Manganese

Explanation:

With titanium, it only has two d electrons, so it can't form different high and low spin complexes. It doesn't matter because it will never fill the higher-energy orbitals. The total spin state turns out to be +1 (two unpaired d electrons, no matter what). Therefore, manganese will form both a high and low spin complex.

0.10 molL-1 NaCl solution contains 1.0 mole of NaCl​

Answers

The volume of the 0.10 molL⁻¹ NaCl solution which contains 0.1 mole of sodium chloride, NaCl is 1 L

How do i determine the volume of the solution?

Molarity of a solution is defined by the following formula:

Molarity = mole / volume

Cross multiply

Molarity × volume = Mole

Divide both sides by molarity

Volume = mole / molarity

With the above formula, we can obtain the volume of the solution. Details below:

Molarity of solution = 0.10 molL⁻¹Mole of NaCl = 0.1 moleVolume of solution =?

Volume = mole / molarity

Volume of solution = 0.1 / 0.1

Volume of solution = 1 L

Thus, we can conclude that the volume of the solution is 1 L

Learn more about volume:

https://brainly.com/question/29144710

#SPJ1

Complete question:

0.10 molL⁻¹ NaCl solution contains 1.0 mole of NaCl​. What is the volume of the solution?

FILL IN THE BLANK.If a neutral acid donates a proton, the conjugate base will have a charge of _______. - Type both an integer and a sign for your answer.

Answers

The conjugate base of a neutral acid that donates a proton will have a charge of -1.

When a neutral acid donates a proton, it is undergoing a process called deprotonation, meaning it has lost a proton from its molecular structure. In this reaction, the neutral acid becomes an anion (negatively charged ion) and the proton is picked up by the base, which is then referred to as the conjugate base of the acid. The conjugate base will have a charge of -1 because it now has one extra electron relative to the original neutral acid.
To illustrate this reaction, consider acetic acid (CH3COOH) donating a proton to a base. When the acid donates a proton, it becomes an anion, CH3COO-, and the base, which has gained a proton, is the conjugate base and has a charge of -1.
In summary, when a neutral acid donates a proton, the conjugate base will have a charge of -1.

For more such questions on acids

https://brainly.com/question/25148363

#SPJ11

Calculate number of atoms in 30g Na

Answers

Answer:

The molar mass of Na is 22.99 g/mol (rounded to two decimal places).

To calculate the number of atoms in 30 g Na, we first need to convert the mass to moles using the molar mass:

moles of Na = 30 g / 22.99 g/mol = 1.304 mol (rounded to three decimal places)

Next, we can use Avogadro's number, which tells us the number of particles (atoms, molecules, etc.) in one mole of a substance. Avogadro's number is approximately 6.02 x 10^23 particles per mole.

So, to find the number of atoms in 1.304 moles of Na:

number of atoms = 1.304 mol x (6.02 x 10^23 atoms/mol) = 7.854 x 10^23 atoms

Therefore, there are approximately 7.854 x 10^23 atoms in 30 g Na.

which one of the following elements will combine with chlorine in a 1:2 ratio to give a formula of xcl 2 ? f al c mg na

Answers

Answer: the answer is Mg

Explanation: Trust me

What volume (mL) of 0.250 M HNO3 is required to titrate (neutralize) a solution containing 0.297 g of KOH?

Answers

21.16 mL of 0.250 M HNO3 is required to titrate (neutralize) a solution containing 0.297 g of KOH.

Steps

To solve this problem, we need to use the balanced chemical equation for the reaction between HNO3 and KOH, which is:

HNO3 + KOH → KNO3 + H2O

From the equation, we can see that one mole of HNO3 reacts with one mole of KOH.

First, we need to determine the number of moles of KOH in 0.297 g of KOH:

mass of KOH = 0.297 g

molar mass of KOH = 56.11 g/mol

number of moles of KOH = mass/molar mass = 0.297 g/56.11 g/mol = 0.00529 mol

Since one mole of HNO3 reacts with one mole of KOH, we need 0.00529 moles of HNO3 to neutralize the KOH.

Now, we can use the molarity and the number of moles of HNO3 to calculate the required volume of HNO3:

Molarity of HNO3 = 0.250 M

Number of moles of HNO3 = 0.00529 mol

Volume of HNO3 = Number of moles of HNO3/Molarity of HNO3

Volume of HNO3 = 0.00529 mol/0.250 mol/L

The volume of HNO3 = 0.02116 L or 21.16 mL

Therefore, 21.16 mL of 0.250 M HNO3 is required to titrate (neutralize) a solution containing 0.297 g of KOH.

learn more about moles here

https://brainly.com/question/15356425

#SPJ1

The chemical potential energy of bond A is greater than the chemical potential energy of bond B. Which statement best explains this observation?(1 point)a-The atoms in bond A are larger than the atoms in bond B.b-The atoms in bond A have fewer bonds between them than the atoms in bond B.c-The atoms in bond A are held more tightly together than the atoms in bond B.d-The atoms in bond A are farther apart than the atoms in bond B.

Answers

If the chemical potential energy of bond A is greater than the chemical potential energy of bond B, then this means that atoms in bond A are held more tightly together than the atoms in bond B. So option c. is correct.

What is chemical potential energy?

Chemical potential energy is the energy stored in the chemical bonds of matter. These reactions involve breaking chemical bonds between molecules and reforming them into new configurations. Excess energy is released and released as heat or work.

Dynamite is a good example of chemical potential energy. The main component of dynamite is nitroglycerin, a highly unstable substance. Mixing it with diatomaceous earth increases its stability and makes it less likely to explode when subjected to physical impact. When ignited, nitroglycerin explodes rapidly, releasing large amounts of nitrogen and other gases along with enormous amounts of heat.  

To know more about chemical bonds, visit:

https://brainly.com/question/12907148

#SPJ1

The complete question is as follows:

The chemical potential energy of bond A is greater than the chemical potential energy of bond B. Which statement best explains this observation?(1 point)

a-The atoms in bond A are larger than the atoms in bond B.

b-The atoms in bond A have fewer bonds between them than the atoms in bond B.

c-The atoms in bond A are held more tightly together than the atoms in bond B.

d-The atoms in bond A are farther apart than the atoms in bond B.

1. Choose the atom with the larger first ionization energy.

Select one:

a. Titanium
b. Manganese


2. Choose the atom with the larger first ionization energy.

Select one:

a. Silicon
b. Tin

Answers

The atom with the larger first ionization energy is Titanium. Option a.

The atom with the larger first ionization energy is Tin. Option b.

Ionization and ionization energy

Ionization is the process of removing one or more electrons from an atom or molecule, resulting in the formation of an ion. This can be achieved through a variety of methods, such as exposure to high-energy radiation or contact with other charged particles.

Ionization energy is the amount of energy required to remove an electron from a neutral atom or molecule, resulting in the formation of a positively charged ion. This energy is typically measured in electron volts (eV) or kilojoules per mole (kJ/mol), and varies depending on the identity of the atom or molecule and the electronic configuration of its valence shell. Ionization energy is an important property of atoms and molecules, as it can provide insight into their reactivity and chemical behavior.

Learn more on ionization energy here https://brainly.com/question/20658080

#SPJ1

match each substance correctly to the principal type(s) of intermolecular force(s) present, other than covalent bonding.

Answers

Substance       intermolecular force

CH2OH   --->   Hydrogen bonding

CH3F       -->    Dipole-dipole forces

C3H8       -->    Dispersion forces

CaCL2      -->   Ionic bonding

The intermolecular force present in CH2OH is hydrogen bonding. The intermolecular force present in CH3F is  Dipole-dipole forces. Ionic bonding is defined as a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions or between two atoms with sharply different electronegativities. It is the primary interaction occurring in ionic compounds. Hydrogen bonding results from the attractive force between a hydrogen atom covalently bonded to a very electronegative atom such as a N, O, or F atom and another very electronegative atom.

Dipole-dipole forces are defined as a attractive forces between the positive end of one polar molecule and the negative end of another polar molecule.  Dispersion force is defined as a temporary attractive force that results when the electrons in two adjacent atoms occupy positions that make the atoms form temporary dipoles.

To learn more about Intermolecular forces

https://brainly.com/question/12243368

#SPJ4

The complete question is,

Match each substance correctly to the principal type(s) of intermolecular force(s) present, other than covalent bonding.

CH2OH          Ionic bonding

CH3F              Hydrogen bonding

C3H8              Dispersion forces

CaCL2            Dipole-dipole forces

What are the shapes for s, p, and d orbitals? 2) How many 1s orbitals are there in an atom? 4p? 48?

Answers

1) The shape of an s-orbital is a sphere.

2) There is only one 1s orbital in an atom since the principal quantum number, n, is equal to one.

1) The following is the shape of orbitals:

s --> sphere



2) There is only one 1s orbital in an atom since the principal quantum number, n, is equal to one.

For a 4p orbital, the principal quantum number is 4, the azimuthal quantum number is 1, and there are three possible magnetic quantum numbers (-1, 0, 1), resulting in three separate 4p orbitals.

It is impossible for an atom to contain 48 orbitals because it would necessitate a principal quantum number of 7, which is not feasible. Finally, there is no definitive response to the number of orbitals in an atom with 200 electrons since it would rely on various quantum numbers that cannot be inferred from this information alone.

For more questions on principal quantum number

https://brainly.com/question/14307071

#SPJ11

a sealed vessel, containing NO2 and CO2 gases has a total pressure of 2558g mmHg. what is the partial pressure (in mmHg) if the partial pressure of CO2 is 795 mmHg

Answers

The partial pressure (in mmHg) if the partial pressure of CO2 is 795 mmHg is given as 1763 mmHg.

How to solve for the partial pressure

To find the partial pressure of NO2, we can use the formula:

total pressure = partial pressure of NO2 + partial pressure of CO2

We know that the total pressure is 2558 mmHg, and the partial pressure of CO2 is 795 mmHg. Plugging these values into the formula, we get:

2558 mmHg = partial pressure of NO2 + 795 mmHg

To solve for the partial pressure of NO2, we can subtract 795 mmHg from both sides:

2558 mmHg - 795 mmHg = partial pressure of NO2

This gives us:

1763 mmHg = partial pressure of NO2

Therefore, the partial pressure of NO2 is 1763 mmHg.

Read more on partial pressure here:https://brainly.com/question/14119417

#SPJ1

The sublimation of solid CO₂ is best classified as a Choose 1 answer: physical change because only dispersion forces between CO₂ molecules are disrupted physical change because only ionic bonds between C4+ and 0²- ions are broken chemical change because C-O bonds are broken and C-C and 0-0 bonds are formed chemical change because covalent bonds between CO₂ molecules are broken​

Answers

The sublimation of solid carbon(IV) oxide is best classified as a physical change because only dispersion forces between CO₂ molecules are disrupted. That is option A.

What is sublimation?

Sublimation is defined as the conversion of a substance from the solid to the gaseous state without its becoming liquid.

A Physical change can be defined as the change in form of matter without change in its chemical identity.

The solid carbon dioxide is the same carbon dioxide is still present, it just undergoes a phase change to become a colorless gas.

Therefore, the best statement that can be used to classify the sublimation of carbon dioxide is that it's a physical change.

Learn more about sublimation here:

https://brainly.com/question/29624780

#SPJ1

based on the mass spectrum of a pure element represented above, the average atomic mass of the element is closest to which of the following?

Answers

Based on the mass spectrum of a pure element represented above, the average atomic mass of the element is closest to  186.3 amu .

What is mass spectrum ?

A mass spectrum is simply a plot of the [tex]\frac{m}{z}[/tex] ratios of the ions present in a sample versus their intensities. Each peak in a mass spectrum represents a unique [tex]\frac{m}{z}[/tex] component in the sample, and the heights of the peaks indicate the relative abundance of the various components in the sample.

explanation ,

The relative abundance of isotopes with atomic number masses 90 and 92 would have a weightage average less than 91. With the influence of the mass and abundance of the isotope with atomic number 94, the weightage average would be closer to 91.

to know more about mass spectrum , visit ;

brainly.com/question/1698571

#SPJ1

Complete question

Based on the mass spectrum of a pure element represented above, the average atomic mass of the element is closest to which of the following? (65% abundance of 187; 37% abundance of 185)

a) 185.7 amu

b) 186.0 amu

c) 186.3 amu

d) 186.9 amu

A sample of a gas occupies 460 ML at 70.0 degree celcius and 1.00 atmosphere. At what temperature would the gas occupy 650 ML at the same pressure

Answers

approximately 210.92°C to occupy a volume of 650 mL at 1.00 atm pressure.

At the same pressure of 1.00 atmosphere, the gas would occupy 650 mL at a temperature of approximately 212.33 degrees Celsius.

To solve this problem, we use combined gas law equation:

(P₁ × V₁) / T₁ = (P₂ × V₂) / T₂

Where:

P₁ = Initial pressure

V₁ = Initial volume

T = Initial temperature

P₂ = Final pressure (same as initial pressure)

V₂ = Final volume

T₂ = Final temperature

Given:

P₁ = P₂ = 1.00 atm (pressure remains constant)

V₁ = 460 mL

T₁ = 70.0 degrees Celsius (converted to Kelvin)

V₂ = 650 mL

First, let's convert the initial temperature to Kelvin:

T₁(K) = T₁(°C) + 273.15

T₁(K) = 70.0 + 273.15

T₁(K) = 343.15 K

Now we plug in the values into the combined gas law equation and solve for T₂

(1.00 × 460) / 343.15 = (1.00 × 650) / T₂

Simplifying the equation:

460 / 343.15 = 650 / T₂

Cross-multiplying and solving for T₂

460 × T₂ = 650 × 343.15

T₂ = (650 × 343.15) / 460

Calculating T₂

T₂ = 485.48 K

Now, let's convert the final temperature from Kelvin back to degrees Celsius:

T₂(°C) = T₂(K) - 273.15

T₂(°C) = 485.48 - 273.15

T₂(°C) = 212.33°C

Therefore, at the same pressure of 1.00 atmosphere, the gas occupied 650 mL at a temperature of approximately 212.33 degrees Celsius.

To know more about gas occupied here

https://brainly.com/question/20958457

#SPJ2

In any organic redox reaction, you can recognize the reduced and oxidized organic molecules by tracking the charges between products and reactants. Reduction corresponds to an increased charge Oxidation correspond to decreased charge

Answers

In any organic redox reaction, the reduced and oxidized molecules can be identified by the difference in charge between the products and the reactants. Reduction results in an increase in charge, while oxidation causes a decrease in charge.

Redox is a sort of chemical process in which the oxidation states of the substrate change . When electrons are lost or the oxidation state increases, it is called oxidation; when they are gained or the oxidation state decreases, it is called reduction.

Redox reactions fall into one of two categories:

Only one electron (typically) moves from the reducing agent to the oxidant during an electron transfer. It is common to talk about this kind of redox reaction in terms of redox couples and electrode potentials.

A transfer of an atom occurs when one substrate gives way to another. For instance, as iron rusts, the oxidation state of the iron atoms increases as the iron transforms into an oxide, while the oxidation state of oxygen falls as it absorbs oxygen. Other chemical species can perform the same function, despite the fact that oxidation reactions are frequently linked to the production of oxides. Hydrogen atoms are transferred during the hydrogenation process to diminish C=C (and other) bonds.

For example, if a reaction produces a molecule with a +1 charge and a reactant with a -1 charge, the product has been reduced and the reactant has been oxidized.

For more such questions on redox reaction , Visit:

https://brainly.com/question/21851295

#SPJ11

compound x has the molecular formula c9h19cl, and when treated with koh in ethanol, only one product is obtained. which of the following is compound x?

Answers

Compound X is a tertiary alkyl chloride, C9H19Cl. When treated with KOH in ethanol, it will produce an alcohol, C9H20O, as the only product.

The chemical substance having the formula CH2=CHCH2Cl is known as allyl chloride. This colourless liquid is soluble in typical organic solvents but insoluble in water. It is mostly transformed into epichlorohydrin, which is used to make plastics. It's a propylene derivative that has been chlorinated. It is a valuable and dangerous substance to handle because it is an alkylating agent.

Tertiary haloalkane (3o haloalkane; tertiary haloalkyl halide): a haloalkane (alkyl halide) in which a tertiary carbon is joined to a halogen atom (F, Cl, Br, or I). Tertiary alkyl halides like 2-chloro-2-methylpropane are characteristic of this class.

It can be synthesized through the reaction of an alkene with SOCl2 in the presence of a Lewis acid.

For more such questions on tertiary alkyl chloride , Visit:

https://brainly.com/question/29677035

#SPJ11

The complete question is:

Compound X has the molecular formula C9H19Cl, and when treated with KOH in ethanol, 3 total products are obtained. Which of the following is compound X?

Some metalloids are liquids at room temperature.
TRUE
FALSE

Answers

Answer:

Some metalloids are liquids at room temperature.

FALSE

They are all solid at room temperature.

Explanation:

You're welcome.

Which of the following describes a primary difference between distributive bargaining and interest-based bargaining?(1 point)

1. Interest-based bargaining is a type of negotiation.
2. Distributive bargaining seeks a solution that is beneficial to all parties.
3. Distributive bargaining is a type of negotiation.
4. Interest-based bargaining seeks a solution that is beneficial to all parties.

ECONOMICS! PLEASE HELP!

Answers

The primary distinction between these two negotiation strategies is that distributive negotiation does not take into consideration the demands of the other party when negotiating a settlement.

Which of the following statements most accurately describes an instance of distributive bargaining?

In a competitive negotiation style known as distributive bargaining, one party only gains when the other party loses.

What sets position-based bargaining apart from interest-based negotiation?

Positional negotiating involves both sides criticising one other's proposals in an effort to convince the other that theirs is the best. By engaging in interest-based negotiation, both (or all) sides approach the problem and search for a solution that best advances their individual interests.

To know more about solution visit:-

https://brainly.com/question/29015830

#SPJ1

Which of the following are things to avoid during this column chromatography experiment? Choose all that apply.

Answers

To ensure successful column chromatography, you should take care to avoid introducing too much solvent, adding too much sample, not allowing enough time, not adjusting the pH of the eluent, using a column that is too long, not allowing the column to equilibrate, and using a packing material that is too coarse.

The following should be avoided during a column chromatography experiment:
1. Introducing too much solvent at once - this can cause flooding and may affect the separation.
2. Adding too much sample to the column - this can lead to inefficient separation.
3. Not allowing enough time for the chromatography to run - this can lead to incomplete separation.
4. Failing to adjust the pH of the eluent to match the sample - this can lead to poor resolution.
5. Using a column that is too long - this can lead to band broadening and poor separation.
6. Not allowing the column to equilibrate before running the sample - this can lead to poor resolution.
7. Using a column with a packing material that is too coarse - this can lead to inefficient separation.
For more such questions on chromatography

https://brainly.com/question/17233520

#SPJ11

Other Questions
PLEASE HELP!!!What type of air masses form over land in polar regions?cold and dry air masseswarm and dry air massescold and wet air masseswarm and wet air masses PLS ANSWER THIS ASAPIn two similar triangles, the ratio of the lengths of a pair of corresponding sides is 7:8. If the perimeter of the larger triangle is 32, find the perimeter of the smaller triangle. help me plss asap!!! HELLPPPP!!!!!! PLEASE 100 POINTS!Cell Division Virtual Lab ActivityInstructions: The Virtual Cell Division Lab is on the lesson assessment page. On the image, it says Click Anywhere to Start. Follow the instructions as you move through the lab. The lab activity will keep count of your data on the right, and you can record this into the data table.Title: Objective(s): Hypothesis:Variables:Data:Record the number of cells you observed in the lab activity.StagesNumber of CellsInterphaseProphaseMetaphaseAnaphaseTelophaseCytokinesisObservations:Record any observations about the cells you observed. What does the cell look like for each stage? What is a distinguishing visible feature of each stage of the cell cycle?StagesDescription of CellInterphaseProphaseMetaphaseAnaphaseTelophaseCytokinesisData Analysis:Part 1: Calculate the percentage of the cell cycle spent in each stage. Number of cells in given stage total number of cells counted 100 = % of the cell cycle spent in this stagePart 2: Using your percentages in part 1, create a graph that represents the time spent in each stage of the cell cycle.Insert chart [Hint: Dont forget to consider the relationship between your data and the type of chart to best represent your data.]Conclusion:Include the following as a summary paragraph in the conclusion of your lab report:Analysis of the results of the experimentBased on your data, what can you infer about the length of time spent in each stage of the cell cycle?What stages were the longest and shortest? Give a brief explanation of why these stages may have that time period.Rationale for the support or rejection of the hypothesisQuestions:Using what you have learned in the lesson and the virtual lab activity, answer the following questions in complete sentences.What differences can you see when you compare the nucleus of a dividing cell with that of a non-dividing cell?If your observation had not been restricted to the tip of the onion root, how would the results be different? Ella no baila, ______ tocar el violn. A. prefiere B. preferir C. prefiero D. prefieran Martin makes b bags of snack mix. Each bag contains 1.5 lb of nuts and 0.75 lb of dried fruit. What does the expression 1.5b + 0.75b represent? Pls explain why Task 1: Identifying Life-Changing Events That Deter Criminal BehaviorPut together a timeline in a slideshow presentation that outlines the four stages of life-changing events for an individual. For each stage, provide a written description of how, inyour opinion, it functions as a deterrent to criminal behavior. Type your response here:This is for CRIMINOLOGY CLASS! I NEED THE ANSWER ASAPPLEASSEEEEIM BEGGING Penelope and Artemis worked a total of 70 hours this week. Penelope worked 2 hours less than twice what Artemis worked.1) Let P= hours Penelope worked and A= hours Artemis worked. Write a system of equations for this scenario. 2) Determine how many hours Penelope and Artemis worked. How did america justify going to war with mexico? With Evidence and Explanation. Lee buys 12 notebooks for 1. 29 each. How much money does lee spend on the 12 notebooks "Which terminal taxon is B more closely related to, A or C? Explain how you know. " for which of the following was lewis carroll not known? group of answer choices being a scholar of math and logic being a photographer being a deacon in the anglican church being a politician being a novelist being a poet AbInstructionsClick the links to open the resources below. These resources will help you complete the assignment. Once you have created yare ready to upload your assignment, click the Add Files button below and select each file from your desktop or network foldefile separately.Your work will not be submitted to your teacher until you click Submit.DocumentsStudent GuideDebate EvaluationFile Upload From a macroeconomic point of view, which of the following is a source of demand for financial capital?A. savings by households and firmsB. foreign financial investmentC. domestic household private savingsD. government borrowing You and your siblings decided to make 10 pies for a bake sale. There were 8 slices in each apple pie and 10 slices in each shoo-fly pie. At the sale, there were 84 slices available. How many of each pie were made? Can you help me with this? how man properties can i own and manage before i have to turn it over to a property management company in savannah ga. 1. In rare situations, a court may impose an __________ or __________ contract when necessary to prevent unjust enrichment.a. implied-in-fact; quasi-b. implied-in-law; bilateralc. implied-in-fact; unilateraldd. implied-in-law; quasi- according to kohlberg, when a child moves from the conventional stage to the postconventional stage of moral development, the child moves from describe the following concepts in the context of the topics the development of self in society life skills and quality of life