What process makes 2 ATP?

Remove dry chemicals.Remove contaminated clothing or jewelry. Bandage the burn. Rinse again if needed.

the amount of harm to the skin relies upon on how strong the chemical was, how lots of it become at the skin, and how long it become there. Chemical burns, even minor ones, can be very painful. A minor burn may heal inside a few days. however a extra extreme burn might also take weeks or maybe months to heal completely.you need to now not use ice, or even ice-bloodless water, on a burn. extreme cold carried out to a burn can further damage the tissue. to properly cool and clean a burn, remove any apparel that covers it.

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Answer:the vibrations of the train moving on the tracks goes farther on the tracks than the sound of the train

Explanation:i think

NaN3→ Na + 32N2 1 mole of sodium azide gives 32 moles of N2

37 gallons

The amount of nitrogen gas produced by a handful (130 grammes) of sodium azide is 67 litres, which is sufficient to inflate a typical air bag. An air bag can be inflated in as little as 0.03 SECOND. There is another chemistry at play.

Even though we don't typically link chemistry with cars, a lot of chemistry happens in a functioning car, such as the chemical processes that take place in the battery to produce electricity and the burning of gasoline to power the engine. Another reaction includes the air bag, which is one that most drivers would much rather not experience firsthand.

Instead of using compressed gas, air bags are inflated using the byproducts of a chemical reaction. Sodium azide, often known as NaN3, is the principal chemical involved in the air bag reaction

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Na+ has one fewer electron than Na, making it smaller and possessing a higher effective nuclear charge.

The fact that sodium ions have just two electron shells makes them smaller than sodium atoms for the main reason (the atom has three). Because they both have the same number of nucleons, the Na+ ion and Na atom have the same nuclear charge. Na+, on the other hand, has a smaller nuclear charge than Na because it has one fewer electron. Na+ is therefore smaller than Na because there is more attraction on the electrons that are already there. A sodium ion's size is smaller than that of a sodium atom.

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Ninety-seven years is the half-life of 90Sr. A sample of 90Sr would still have 0.015 of its original atoms after 175 years. The duration needed for a quantity to fall to half its starting value is known as the half-life.

The phrase is frequently employed in nuclear physics to indicate how rapidly unstable atoms decay radioactively or how long stable atoms last. One or more electrons are attached to the nucleus of every atom, which is made up of a nucleus. Protons and neutrons, in various numbers, make up the nucleus. Neutrons exist only in the most prevalent type of hydrogen. Atoms that are neutral or ionised are the building blocks of all solids, liquids, gases, and plasma.

[A]t=[A]o/[A]t=4.18 [A]o/[A]t=e4.18=65.5

[A]o = 1.5%[A]o], where [A]t = 0.015

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If there are 6 atoms of hydrogen on the products side, then there would be 6 atoms of hydrogen also on the reactants side. That would be 3 molecules of [tex]H_2[/tex].

According to the law of conservation of atoms or matter, atoms can neither be destroyed nor created during the course of chemical reactions. However, atoms can change forms during reactions.

Going by this law, it means the number of atoms of a particular element must remain constant before and after chemical reactions. Otherwise, we will say the chemical equation of such reactions are not balanced.

Thus, if there are 6 atoms of hydrogen on the products side of a reaction, 6 atoms of hydrogen must also be on the reactants side of the reaction. A molecule of hydrogen, [tex]H_2[/tex], has 2 atoms of hydrogen. This means 3 molecules of hydrogen must be on the reactants side in order to have a total of 6 hydrogen atoms.

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xenon fluorides are known to undergo hydrolysis to give the hydrohalic acid and the rare gas oxide similar to the following equation: XeF6 + 3H2O -> XeO3 + 6HF.

A noble gas compound with the formula XeF6 is xenon hexafluoride. It is one of xenon's three binary fluorides, along with XeF2 and XeF4. All known are exergonic and stable at normal temperatures. The series' strongest fluorinating agent is XeF6.Water's chemical formula is H2O, which means that each of its molecules consists of two hydrogen atoms and one oxygen atom. In its +6 oxidation state, xenon can form the unstable chemical xenon trioxide(XeO3). It is an extremely potent oxidizing agent that slowly releases oxygen from water, a process that is sped up by sunshine. When it comes into touch with organic materials, it explodes dangerously. It emits xenon and oxygen gas when it explodes.

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the hybridization of the sulfur atom change in the series SF2, SF4, SF6-Option 1 - sp, sp^3, sp^3 d^2 O sp^3, sp^3 d^2

The hybridization of the sulfur atom changes in the series SF2, SF4, SF6 as follows:

In SF2, the sulfur atom is in the sp hybridized state, meaning it has one s and one p orbital in its valence shell. This allows the sulfur to form a double bond with one fluorine atom.In SF4, the sulfur atom is sp3 hybridized, which means it has one s and three p orbitals in its valence shell. This allows the sulfur to form four single bonds with four fluorine atoms.In SF6, the sulfur atom is sp3d2 hybridized, which means it has one s, three p, and two d orbitals in its valence shell. This allows the sulfur to form six single bonds with six fluorine atoms.It is worth noting that the hybridization of the sulfur atom in SF6 is not very common and it is more likely the octahedral electron pair geometry of SF6 is achieved by the d orbitals of sulfur being empty and the sulfur atom being sp3 hybridized. In summary, the hybridization of sulfur in SF2 is sp, in SF4 is sp3, and in SF6 is sp3d2.

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i) No reactant will be left as all of them have been converted to product after completion of this reaction.

ii) Final percentage of each reactant remaining if each reaction went to completion is about 99.9%.

The difference between the moles (or molecules) of reactants consumed and the moles (or molecules) of products produced in a chemical reaction is known as the molar ratio.

i) Now given the molar ratio of CV : NaOH is 1:1 . That means Equal moles of CV and NaOH are present in the solution. That means all the CV and NaOH molecules will react to form equal number of products.

So in this case, no reactant will be left as all of them have been converted to product after completion of reaction.

ii) In this case, the given NaOH : CV = 1000 : 1. That means per 1000 moles of NaOH, we have only 1 mole of CV. Now since 1 mole of CV can react with only 1 mole of NaOH, then after the reaction of this 1 mole CV, there will be no CV left . And only 999 NaOH molecules will be left in the solution

So here % CV left = 0%

% of NaOH left = 999 / 1000 × 100

% of NaOH left = 99.9 %

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Complete question is attached below

A flask contains a mixture of N₂ and O₂ at STP. If the partial pressure of N₂ is 40 kPa, the partial pressure of O₂ is 61.325 kPa.

STP is the abbreviation which is used for a Standard Temperature and Pressure. The standard temperature is 273 K as well as the standard pressure is 1 atm pressure.

1 atm = 101.325 kPa

According to Dalton's law, state's that the sum of the individual pressures exerted by the gases in a mixture is the total pressure.

[tex]P_{total}[/tex]= [tex]P_{A}[/tex] + [tex]P_{B}[/tex]

Therefore, [tex]P_{total}[/tex]= [tex]p_{n2}[/tex] + [tex]P_{O2}[/tex]  

[tex]P_{N2}[/tex] = 40kPa

[tex]P_{total}[/tex] = 101.325kPa

101.325kPa = 40kpa + [tex]P_{O2}[/tex]    

[tex]P_{O2}[/tex] = 61.325kpa

--The given question is incorrect, the correct question is

--"A flask contains a mixture of N₂ and O₂ at STP. If the partial pressure exerted by the N₂ is 40.0 kPa, the partial pressure of O₂ is?"--

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According to the given statement a) 39.367kJ  heat is required AND b) 62.3kJ heat is required.

One mole of a chemical is equal to 6.022 x 1023 particles (or formula units) (ionic compound). The molar mass of a reagent is the amount of 1 mole of that chemical. In put it another way, it gives you the amount of grams per molecule of a material.

Heat required to convert 42.0 g of ethanol at 35 °C to the vapor phase at 78 °C can be calculated by;

H = mcθ + mL

m = mass of ethanol

c = specific heat capacity of ethanol

θ = temperature change

L = Latent heat of vaporization of ethanol

Adding  values;

H = (42 × 2.3 × (78 - 35)) + (42/46 × 38.56 × 10^3)

H = 4154 + 35207

H = 39.367 kJ

b) Heat required to convert the same amount of ethanol at - 155°C to the vapor phase at 78 °C;

H = mLfus + mcθ + mLvap

H =  (42/46 ×  5.02 × 10^3) +  (42 × 2.3 × 78 - (- 155)) + (42/46 × 38.56 × 10^3)

H = 4583 + 22508 + 35207

H = 62.3 kJ

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A solute is a species that dissolves within a liquid solvent to form a solution—a single, uniform mixture. The total volume of the solution can be expressed in liters.

The total amount of solute contained within can be expressed as a number of moles. The solute concentration in molarity is calculated by combining these two values. The molarity is expressed in "mol/L" according to the required calculation, though it is frequently written in "M" units.

The amount of a substance in a certain volume of solution is known as its molarity (M). Molarity is the ratio of a solute's moles to liters of solution. The molar concentration of a solution is another name for molarity.

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The element with electronic configuration 2s1, which is lithium, has a violent reaction with cold water.

The most reactive metals in the periodic table are the alkali metals (Li, Na, K, Rb, Cs, and Fr); they all react with cold water violently or even explosively, displacing hydrogen. In the reduction of water to hydrogen gas (H2) and the metal ion hydroxide (OH), Group 1 Metal (M) is oxidised to its metal ions.

The second most reactive metals in the periodic table are the alkaline earth metals (Be, Mg, Ca, Sr, Ba, and Ra), which also exhibit increased reactivity in higher periods like the Group 1 metals. The only alkaline earth metal that does not react with water or steam, even when heated to a high temperature, is beryllium (Be).  Furthermore, beryllium has an exterior oxide layer that is robust, which reduces its reactivity at lower temperatures.

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A volume of 0.02845 L is required to neutralize this acid-base reaction.

To neutralize an acid with a base, you need to react with equal molar amounts of the two. The balanced chemical equation for the neutralization of sulfuric acid (H₂SO₄) with potassium hydroxide (KOH) is as follows:

H₂SO₄ + 2 KOH → K₂SO₄ + 2 H₂O

The molarity of a solution is a measure of the number of moles of solute per liter of solvent. To find out how many moles of H₂SO₄ you need to neutralize 25.0 mL of 0.427 M KOH, you first need to convert the volume of KOH to liters, using the conversion factor 1 L/1000 mL.

25.0 mL KOH × (1 L/1000 mL) = 0.025 L KOH

Then, use the molarity of the KOH solution to find out how many moles of KOH you have:

0.427 M KOH × 0.025 L KOH = 0.010675 moles KOH

Since the balanced chemical equation shows that 1 mole of H₂SO₄ reacts with 2 moles of KOH, you need twice the number of moles of KOH, or 0.010675 moles × 2 = 0.02135 moles H₂SO₄.

Finally, use the molarity of the H₂SO₄ solution to find out how much volume you need:

(0.02135 moles H₂SO₄) ÷ (0.75 M H₂SO₄) = 0.02845 L H₂SO₄

So you need a volume of 0.02845 L of 0.75 M H₂SO₄ to neutralize 25.0 mL of 0.427 M KOH. This is equivalent to 28.45 mL of 0.75 M H₂SO₄.

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Answer: 58.44amu

Explanation:

The Law of the Conservation of mass states that mass isn't created nor destroyed, but simply transformed.

Applying it in a chemistry context means that there will be the same amount of mass of product as you will start out with, as the mass is transformed from the reactants' mass to the products'.

Therefore, it is 58.44amu.

For a team of scientists to claim that they have discovered a new experimental method for determining atomic mass, their claim is to be considered valid only if another team of scientists is able to replicate the results of the experiment.

In order for a scientific claim to be considered valid, it is important that the results of the experiment can be replicated by other researchers.

Replication means that other scientists should be able to obtain the same results using the same methods. This helps to ensure that the results are accurate and reliable, rather than being a fluke or an error.

Without the ability to replicate the results, it is difficult to have confidence in the validity of the claim, as it may be due to uncontrolled variables or other factors that cannot be reproduced. Ensuring that results are replicable is an important part of the scientific process and helps to build a strong foundation of knowledge.

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An orbit is a set route along which electrons spin around the nucleus of an atom, whereas an orbital is a region where the chance of finding any electron is calculated.

The electron is a subatomic particle with an initial electric charge of -1. Electrons are the first generation of the lepton particle family and are often regarded as elementary particles due to the lack of known components or substructure. An electron is a negatively charged subatomic particle that can be attached to or released from an atom (not bound). A bound electron is one of the three major kinds of particles within an atom, the other two being protons and neutrons. The nucleus of an atom is made up of electrons, protons, and neutrons.

Here,

An orbit is a fixed path along which electrons spin around an atom's nucleus, whereas an orbital is an area where the probability of finding any electron is determined.

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Hydroelectric energy is a renewable form of energy used to generate electricity.

This energy is created by harnessing the power of moving water, typically from rivers and streams, to spin turbines and generate electricity.

Hydroelectric power plants are used to generate electricity for homes, businesses, and cities all over the world.

By utilizing the natural power of water, hydroelectric energy is a clean, safe, and reliable source of energy that helps reduce global carbon emissions. It is also a cost-effective energy source, making it a popular choice for many energy providers.

Hydroelectric energy is one of the most widely used sources of electricity in the world, with many countries heavily relying on it for their energy needs.

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The propensity of an atom of a certain chemical element to draw shared electrons when forming a chemical bond is known as electronegativity and is denoted by the symbol X.

The atomic number and the separation of the valence electrons from the charged nucleus have an impact on an atom's electronegativity. An atom or a substituent group will draw electrons in greater amounts the higher the associated electronegativity. The sign and amplitude of a bond's chemical polarity, which characterizes a bond along the continuous scale from covalent to ionic bonding, can be quantitatively estimated using electronegativity. The inverse of electronegativity is electropositivity, which describes an element's propensity to accept valence electrons.

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The frequency of a photon with an energy of 4. 26 x10-19 J and a wavelength of 4. 67 x 10-7m.  [E= 6. 626 x 1034 x frequency C(3. 0 x 108 m/s) = wavelength x frequency] is 28.22 × 10¹⁵hz.

So formula is :-

Energy of photon, E=hc/λ  or λ=hc/E

E = hν = hc/λ,

Where, h=6.626×10−³⁴Js,c=3×10⁸

By putting all these values, we get:-

4.26× 10-¹⁹ = 6.626×10-³⁴ × ν

 v = 4.26 × 6.626 × 10¹⁵

 = 28.22 × 10¹⁵ hz

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Distance can be measured by centimeters (cm) and kilometers (km).

Distance is defined as the total movement of an object without any regard to the direction. Distance is the length of the route between the two points.

SI unit of distance is the meter (m). Short distances may be measured in the centimeters (cm), and the long distances may be measured in kilometers (km).  For example: Measure the distance from the bottom to the top of a sheet of paper in centimeters and the distance from your house to your school. Maps are also used to measure the the distance.

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Two isomers are Butadiene Bicyclobutane.

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O Chloroethane, CH3CH2Cl, O XeF4 of the following substances would expect to have a nonzero dipole moment

A substance with a non-zero dipole moment means that the electrons are not distributed symmetrically in the molecule, resulting in a partial positive charge on one end and a partial negative charge on the other end. Chloroethane, CH3CH2Cl has a polar covalent bond between C-Cl and since the C-Cl bond is polar the overall molecule is polar and thus has a nonzero dipole moment.O Chloroethane, CH3 CH2C1 O XeF4 O Cl20. BF3XeF4 has a tetrahedral electron pair geometry, with 4 polar covalent bond Xe-F, and since all the F atoms are in the same plane as the Xe atom, the molecule is polar and thus has a nonzero dipole moment. Cl20 has a polar covalent bond Cl-Cl but since the molecule is symmetric the overall dipole moment is zero. BF3 has a trigonal planar electron pair geometry, with 3 polar covalent bond B-F, but since the molecule is symmetric the overall dipole moment is zero.

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The option that can lead to deviations from Beer's law at constant path length is option A.

Using monochromatic radiation All radiation that was not absorbed by his sample when stray light reaches the detector is transmitted to the detector.

All of the above factors can lead to deviations from Beer's Law if the path length is constant. Optical pathlength refers to the distance that light travels through a sample and is usually kept constant in spectrophotometric experiments in order to accurately measure the sample's absorbance.

Therefore, unless monochromatic radiation is used, the absorbance of the sample may not accurately reflect the concentration of the solute, as different wavelengths of light may be absorbed differently.

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The following substances does not exist in the indicated solid type : c.) SiO₂- molecular.

SiO2 is a covalent solid and the solid state of silicon dioxide (SiO2) is a covalent crystal with sharing of valence electrons between the silicon atom and oxygen atoms.

Silicon dioxide is a silicon oxide made of linear triatomic molecules in which silicon atom is covalently bonded to two oxygens. Silicon dioxide which is often called silica is the main compound found in sand.

Silicon dioxide is not soluble in water as the interaction between SiO2 and water molecules is not sufficient to overcome the strong and extensive covalent bonds in giant molecule.

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3.4 mole of H₂SO₄ moles of sulfuric acid (H₂SO4) are needed to react completely with 6.8 moles of lithium hydroxide.

How many moles of sulfuric acid (H₂SO4) are needed ?

Based on the reaction’s stoichiometry: 2 LiOH + H2SO4 Li2SO4 + 2 H2O

It is obvious that when 2.0 moles of LiOH react with 1.0 mole of H2SO4, 1.0 mole of Li2SO4 and 2.0 moles of H2O are produced.

Making use of cross multiplication:

1.0 mole of H2SO4 totally interacts with LiOH (2.0 moles)

2.0 mole of H2SO4 is required to totally react with 6.8 mole of LiOH.

The mole of H2SO4 = (1.0 x 6.8) / (2.0) = 3.4 mole of H2SO4.

One mole of H2SO4 has an atomic mass of 98 grams. So 98 grams of H2SO4 comprises one mole of H2SO4 molecule, or seven moles of atoms.

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In the box on a periodic table  we can find its atomic number, symbol, average atomic mass, and (sometimes) name of the element.

By the 20th century, it was clear that atomic numbers, not atomic masses, were involved in the periodic relationship. The periodic law, a more recent formulation of this relationship, states that an element's properties are a periodic function of its atomic number.

The elements are arranged in a modern periodic table in increasing order of their atomic numbers, and atoms with comparable properties are grouped in the same vertical column (Figure below). With its atomic number, symbol, average atomic mass, and (sometimes) name, each box represents an element. The elements are grouped in 18 vertical columns called groups and seven horizontal rows known as periods or series.

Each column's header lists the names of its groups. Roman numerals and capital letters have traditionally been used on labels in the United States. The IUPAC advises using the digits 1 through 18, and these labels are more widely used. Parts of two of the rows, totaling 14 columns, are typically written below the table's main body in order for it to fit on a single page.

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Answer:

Skeleton equation: H2S(g) + O2(g) → SO2(g) + H2O(l)

Explanation:

The amount of titanium-44 remaining will be 1/4 of the original amount, or 0.150 g.

Amount is a quantity or magnitude of something, typically money. For example, a person may refer to the "amount of money" they have saved, the "amount of time" it takes to do something, or the "amount of food" they have purchased. Amount can also refer to the total number of something, such as the "amount of people" who have attended an event or the "amount of work" that needs to be done.

The half-life of titanium-44 is 60.0 y, meaning that after every 60.0 y, the amount of titanium-44 will be halved.
0.600 g - 0.150 g = 0.450 g

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The complete lewis structure is shown in the below figure by adding lone pairs and formal charges.

Assign the valence electrons to each atom as dictated by the periodic table placing one electron at each compass direction and then pairing them only after the first four until you have place all of the atom’s valence electrons. (See the Roman numeral above the group/column it is in.)

Arrange the remaining atoms around the central atom and join them to the central atom by a single bond. The more electronegative atoms are typically farther away from the center and attaching hydrogen last is advised.

Lone electrons (not lone pairs) indicate an ability to form more covalent bonds, resulting in either double or triple bonds. Their presence or the lack of a full octet on any atom indicates there is a better Lewis structure.

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