Answer:
Strong acid: HCl, HClO4, HNO3, HBr, H2SO4
Strong Base: Ba(OH)2, KOH, Sr(OH)2, LiOH, NaOH, Ca(OH)2
Weak Acid: HF, CH3COOH, H3PO4
Weak Base: NH3
Explanation:
which two rings have approximately the same bond angle in their favored conformations?
a. Cyclopropane
b. Cyclobutene
c. Cyclohexane
d. Cyclopantane
e. Cycloheptane
Cyclopropane and cyclohexane are the two rings having roughly the same bond angle in their preferred conformations.
What is Cyclopropane?Explosive, colorless gas known as cyclopropane, sometimes known as trimethylene, has been used as a general anesthetic in medicine since 1934. Cyclopropane doesn't irritate mucous membranes and doesn't slow down breathing. A colorless gas or liquid under pressure, cyclopropane has a pleasant, mild aroma that is similar to that of petroleum. Both an anesthetic and the production of other compounds employ it.The first time cyclopropane was made, it was by a Wurtz coupling where sodium was used to cycle 1,3-dibromopropane. By using zinc as the dehalogenating agent and sodium iodide as the catalyst in this reaction, the yield can be increased. Cyclopropanation is a term used to describe the process of creating cyclopropane rings.To learn more about Cyclopropane, refer to:
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What is the formula of 2 methyl 1 butene?
The molecular formula for 2-methyl 1-butene is C₅H₁₀.
Generally, the molecular formula is defined as an expression which defines the number of atoms of each element in one molecule of a compound. Molecular formula often shows the actual number of each atom present in a molecule. Let's see an example, the molecular formula of propane is C₄H₁₀. In this molecular formula, basically there are 4 carbon atoms and 10 hydrogen atoms in the given compound.
2-Methyl-1-butene is an organic compound that is used as a solvent in organic synthesis. 2-Methyl-1-butene is basically used in the preparation of pinacolone, flavor enhancer, spice, crop protectants and tertiary amyl phenol.
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JUST 43 PLEASE
Consider a solution contains both c5h5n and c5h5nhno3. Calculate the ratio [c5h5n]/[c5h5nhno3+] if the solution has the following pH values
The ratio for [C[tex]_5[/tex]H[tex]_5[/tex]N]/[C[tex]_5[/tex]H[tex]_5[/tex]NH⁺] if the solution has the following pH values 4.50 is 6.30.
What is buffer?A buffer is indeed a solution that resists pH fluctuations and contains either a weak acid as well as its salt or perhaps a weak base as well as its salt. To put it another way, a buffer is indeed an aqueous solution that includes a weak base as well as its conjugate acid, or a weak acid as well as its conjugate base.
A buffer may also be referred to as a buffer solution, hydrogen ion buffer, and pH buffer.
pOH =PKb+log[salt]/[base]
pOH =14-pH= 14-4.50=9.5
pKb= -logKb
=-log(1.7×10⁻⁷)
=8.7
9.5 =8.7+log[salt]/[base]
9.5 -8.7=log[salt]/[base]
0.8=log[salt]/[base]
[salt]/[base] =10^0.8=6.30
[C[tex]_5[/tex]H[tex]_5[/tex]N]/[C[tex]_5[/tex]H[tex]_5[/tex]NH⁺]=6.30
Therefore, 6.30 is the value for [C[tex]_5[/tex]H[tex]_5[/tex]N]/[C[tex]_5[/tex]H[tex]_5[/tex]NH⁺].
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A milkman boils milk before distributing it in pots. He raises the temperature of the milk from 10 degrees Celsius to 130 degrees Celsius with the thermal energy of 120000 J. If the mass of the milk Is 25000 g. the specific heat capacity of the milk would be
Answer: The specific heat capacity of the milk is 0.24 J/g°C.
Explanation:
The specific heat capacity (C) of a substance is defined as the amount of heat energy required to raise the temperature of a unit mass of the substance by one degree Celsius. To find the specific heat capacity of the milk in this case, we need to divide the total heat energy added to the milk (120000 J) by the change in temperature of the milk (120 degrees Celsius) and the mass of the milk (25000 g).
Using this formula, the specific heat capacity of the milk can be calculated as follows:
C = (120000 J) / (25000 g * 120°C)
C = (120000 J) / (25000 g * 120 K) (converting Celsius to Kelvin)
C = 0.24 J/g°C
So, the specific heat capacity of the milk is 0.24 J/g°C.
Read the paragraph. Click on the sentence or sentences that is/are incorrect. Select ALL that apply.
Different ecological relationships exist in the Galapagos Islands. The native species do not compete with one another for resources because they have evolved to fill specific niches, or ecological roles, on the islands. In fact, some of the native species, such as Darwin's finch and the Galapagos tortoise, have a mutually beneficial relationship. In contrast, the introduced species, the feral goat, competes with all the other species for food.
Different ecological relationships exist in the Galapagos Islands. This statement is incorrect.
What is ecological relationship?An ecological connection is defined as the interactions of species in an environment. Organisms form relationships with each other because they are connected.
Some species compete with other creatures for resources or space. Other species survive by relying on one another. These are known as ecological connections. Different ecological relationships exist in the Galapagos Islands. This statement is incorrect.
Therefore, different ecological relationships exist in the Galapagos Islands. This statement is incorrect.
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how can you determine the approximate atomic mass, in atomic mass units?
Using the periodic chart, you may approximate an element's atomic mass. On the periodic table, the atomic mass of each element is stated in units of atomic mass.
The weighted average mass of all the naturally occurring isotopes of that element is represented by this value. Simply look up an element's atomic symbol on the periodic table & read the atomic mass that is stated next to it to get its atomic mass.
The periodic chart typically gives the atomic mass to the closest whole integer, while it occasionally may be presented to one or two decimal places. The atomic mass indicated on the periodic table is an aggregate of the masses, which is a crucial point to remember.
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The O-H stretch of a concentrated solution of an alcohol occurs at a lower frequency than the O-H stretch of a a dilute solution. True or False
The given statement is false. Because the O-H stretch of an alcohol occurs at a higher frequency in concentrated solutions and at a lower frequency in dilute solutions.
This is due to the hydrogen bonding that occurs between the alcohol molecules, which strengthens in concentrated solutions as well as weakens in dilute solutions. The stronger hydrogen bonding in concentrated solutions results in a higher energy required to stretch the O-H bond, which corresponds to a higher frequency.
Conversely, weaker hydrogen bonding in dilute solutions results in a lower energy required to stretch the O-H bond, which corresponds to a lower frequency.
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how is the name of each element in the periodic table represented?
The name of each element in the periodic table represented one or two letters are used to represent the name of each element. Therefore, option D is correct.
What is periodic table ?The periodic table is a tabular array of chemical elements organized by atomic number, beginning with hydrogen and progressing to oganesson, which has the highest atomic number.
Sometimes the first letter of the element's name is used to represent it, for example, hydrogen = H; sometimes the first two letters are used, for example, calcium Ca; and sometimes the Latin name is used, for example, gold is Arum and is represented as Au.
Thus, option D is correct.
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Your question is incomplete, mos probably your question was
How is the name of each element in the periodic table represented? A. The first two letters of the element's name are used for the table. B. Letters are assigned to each element by the scientist who discovered it. C. Letters are given to represent each element based on when it was discovered. D. One or two letters are used to represent the name of each element.
In a longitudinal wave, the motion of the disturbance is in what direction relative to the wave motion? A. perpendicular B. in the same direction C. parallel D. opposite
In a longitudinal wave, the motion of the disturbance in the same direction relative to the wave motion. Hence, option B is correct.
What is longitudinal waves ?Longitudinal waves are a types of mechanical waves. Mechanical waves can pass only through a medium and not through vacuum. The mechanical waves are of two types namely longitudinal waves and transverse waves.
Transverse waves contains crests and troughs where the motion of the disturbance is perpendicular to the wave motion. water waves are transverse waves.
In the case of longitudinal waves, motion of the disturbance in the same direction relative to the wave motion. Longitudinal waves are composed of compressions and rarefactions. Sound waves are longitudinal waves.
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Slip is an acid-resistant resin used to make aquatints. true or false
Slip is an acid-resistant resin used to make aquatints is a false statement.
Slip is an acid-resistant resin used to make aquatints. Tempera, gouache, and watercolor are all water-based paint media. Because oil paints dry quickly, it is difficult for artists to make changes to their paintings.
The process of making aquatints involves, fine particles of acid-resistant material, such as powdered resin, are attached to a printing plate by heating. The plate is then immersed in an acid bath, just like etching. The acid eats into the metal around the particles to produce a granular pattern of tiny indented rings.
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Which of the following electron transitions in the hydrogen atom results in emission of light with the shortest wavelength? a. n=1 to n=5
b. n=1 to n=3
c. n=5 to n=1
d. n=3 to n=1
The electron transitions in the hydrogen atom will results in emission of light with the shortest wavelength is n = 3 to n = 1. The correct option is d.
Light is emitted when an electron jumps from the higher orbit to the lower orbit. This is the reason that a and b is not possible.
The expression for the wavelength is as follows :
1/λ = R [1/n1² - 1/n2²]
Wavelength emitted for the transition n = 5 to n = 1 is :
1/λ = R [1/1² - 1/5²]
1/λ = 0.096R
Wavelength emitted for the transition n = 3 to n = 1 is :
1/λ = R [1/1² - 1/3²]
1/λ = 0.89 R
Therefore, electron transitions in the hydrogen atom that results in emission of the light with the shortest wavelength is n = 3 ton = 1. The option d is correct.
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An automobile gasoline tank holds 29. 0 gal when full. How many pounds of gasoline will it hold if the gasoline has a density of 0. 737 g/ml ?.
The automobile gasoline can hold 22.3 lb. of gasoline if the gasoline has a density of 0. 737 g/ml.
The automobile gasoline tank holds 22.3 pounds of gasoline when full. To calculate the amount of gasoline that a tank can hold, we need to convert the volume in gallons to volume in liters and then multiply it by the density in g/mL to find the mass in grams.
The density of gasoline is 0.737 g/mL, which means that every milliliter of gasoline weighs 0.737 grams. To convert the volume from gallons to liters, we use the conversion factor 1 gallon = 3.785 liters.
So, the volume of the tank in liters is
29.0 gallons x 3.785 L/gallon = 109.5 L.Multiplying this volume by the density of gasoline gives us the mass of gasoline in grams:
109.5 L x 0.737 g/mL = 80.6 kg.To convert this mass to pounds, we multiply by the conversion factor 2.2046 lb/kg, giving us a total of
80.6 kg x 2.2046 lb/kg = 22.3 lb.Learn more about Density:
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In which state of Matter are the Forces of Attraction the Weakest?
The state of Matter in which the Forces of Attraction is the Weakest is the gaseous state.
The forces of attraction that depends on the intermolecular attractions or the repulsions. The intermolecular repulsions are greater in the gaseous state than the intermolecular forces of attraction. The molecules have the more randomness in the gaseous state as compared to other states. The state of matter that has the least intermolecular forces of the attraction is the gaseous state because of the reason they are in random in the motion.
Thus, in the gaseous state of the matter, the Forces of Attraction the Weakest.
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Can you guys help me with this science question
Answer:
its the third one
What phylum has a medusa and polyp stage, stinging tentacles, and radial symmetry what phyla is it????
Polyp and medusa, the two body forms of cnidarians, frequently coexist throughout the course of a single cnidarian's life cycle.
What cnidarian species have the medusa stage?Cnidarians are most frequently associated with scyphozoans. They can grow to be enormous and have a real medusa stage. The largest known example of this, sometimes known as a jellyfish, may have a bell that is over ten feet in diameter. Scyphozoans live in the medusa stage for the most of their lives, and some species may often lack the polyp stage.
There are two major phyla in the animal kingdom that have radial symmetry: Cnidaria, which includes corals, anemones, and jellyfish, is one of them. Radial symmetry is shown by jellyfish at four locations around their centre.
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How nucleophilic substitution reactions of alkyl halides
The [tex]$$C_6[/tex] carboxylate group is the nucleophile that reacts with alginate the fastest.
What is nucleophilic substitution reaction of halides?When an electron-rich nucleophile contacts a positively charged electrophile to replace a leaving group, the reaction is classified as a nucleophilic substitution process.
Substitution and/or elimination are the two main sorts of reactions that alkyl halides can go through. Because of the new bond that develops between the electrophilic alkyl halide and the nucleophile, which replaces the halogen at the alpha-carbon, the substitution reaction is known as a Nucleophilic Substitution reaction.
When an electron-rich nucleophile interacts with or assaults an electron-poor electrophile, a group or atom known as the leaving group is displaced, resulting in a nucleophilic substitution process. Two reactions can be used to define haloalkane nucleophilic substitution.
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A System Containing 1 Atm Of An Ideal Gas Is Doubled In Temperature And Halved In Volume. What Is The New Pressure?
a. 2 Atm b.1 Atm c.0.5 Atm d.4 Atm
The new pressure of the gas after doubling the temperature and halving the volume is 4 atm. The correct answer is (d).
The ideal gas law is expressed as:
PV = nRT
where P is the pressure of the gas, V is its volume, n is the number of moles of gas, R is the ideal gas constant, and T is the temperature in Kelvin.
If we double the temperature and halve the volume of the gas while keeping the number of moles constant, then the new pressure can be calculated as follows:
P1V1/T1 = P2V2/T2
Since the initial pressure (P1) is 1 atm, and the final volume (V2) is half the initial volume, the initial volume (V1) is 2 times V2, and the initial temperature (T1) is half of the final temperature (2T1 = T2), we can substitute these values into the equation above and solve for the final pressure (P2):
P1V1/T1 = P2V2/T2
1 atm x (2V2) / (T1/2) = P2 x V2 / T1
2 atm / (T1/2) = P2 / T1
P2 = 4 atm
Therefore, the new pressure of the gas after doubling the temperature and halving the volume is 4 atm. The correct answer is (d).
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help!!!!! please
can someone do this i have NO clue
Mixture- honey, seawater, blood, mud
element- hydrogen, calcium
compund- magnesium oxide, copperII sulfate, potassium iodide solution.
What do you mean by mixture, element and compunds?A mixture is a material composed of two or more different chemical substances that are not chemically bonded. A mixture is the physical combination of two or more substances that retain their identities and are mixed in the form of solutions, suspensions, and colloids.
Element is a free and open-source instant messaging client that uses the Matrix protocol. End-to-end encryption, private and public groups, file sharing between users, voice and video calls, and other collaborative features are supported by Element via bots and widgets.
A compound is a substance made up of two or more different chemical elements combined in a fixed ratio in chemistry. When the elements combine, they react and form chemical bonds that are difficult to break. These bonds form as a result of atoms sharing or exchanging electrons.
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what is the mole ratio between ammonia and nitrogen in the above reaction?
The chemical equation of the production of ammonia is shown in figure 1 and it shows that the mole ratio for ammonia and nitrogen gas is 2:1.
What is mole ratio?
A mole ratio in chemistry is the ratio of the mole quantities of any two chemicals that are involved in a chemical reaction. The balanced chemical equation for the reaction, which displays the proportional numbers of molecules or moles of each reactant and result, is where it is generated. Stoichiometry, or the computation of the amounts of reactants and products in a chemical process, makes use of mole ratios. They can be used to forecast how much of a product will be formed from a given amount of reactant or to figure out how much of one material is required to react completely with a given amount of another substance.To know more about mole ratio, click the link given below:
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If 46. 2 grams of oxygen gas occupies a volume of 100L, what volume would 5. 00 grams of oxygen occupy if the temperature and pressure remain constant
The volume would occupy 5. 00 grams of oxygen if the temperature and pressure remain constant is 10.85 L.
Ideal gas lawAccording to the ideal gas law, PV = nRT, where P is pressure, V is volume, n is the number of moles, R is the ideal gas constant, and T is temperature. If the temperature and pressure remain constant, we can use the equation V₁/n₁ = V₂/n₂ to find the volume of 5.00 grams of oxygen gas.
First, we need to convert the mass of oxygen gas to moles. The molar mass of oxygen gas is 32.00 g/mol, so:
Next, we can plug in the values into the equation:
V₁/n₁ = V₂/n₂
100 L / 1.44 mol = V₂ / 0.15625 mol
Cross-multiplying and solving for V₂ gives:
V₂ = (100 L)(0.15625 mol) / 1.44 mol
V₂ = 10.85 L
Therefore, 5.00 grams of oxygen gas would occupy a volume of 10.83 L at the same temperature and pressure.
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What is the chemical name of aspirin?
The chemical name of the aspirin is acetylsalicylic acid.
It is a commonly used medication that belongs to a class of drugs called nonsteroidal anti-inflammatory drugs (NSAIDs). Aspirin is primarily used for pain relief, reducing inflammation, and reducing fever. It works by inhibiting the production of prostaglandins, which are involved in the body's inflammatory response.
Aspirin is available over-the-counter in various doses and is used to treat a variety of conditions, including headache, menstrual cramps, arthritis, and cardiovascular disease. Aspirin works by inhibiting the production of prostaglandins, which are involved in the body's inflammatory response.
Aspirin is also used as a blood thinner to reduce the risk of blood clots that can lead to heart attack or stroke. However, it should be used with caution in some individuals, such as those with a history of stomach ulcers or bleeding disorders, and under the guidance of a healthcare provider.
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Identify the calculations possible using only 28.02 g/mol as a conversion factor.
Select one or more:
A. Calculate the grams of N2 in 10.58 liters of nitrogen gas
B. Calculate the grams of N2 in 5.03 x 10^20 moles of nitrogen molecules
C. Calculate the moles of N2 molecules in 3.94 grams of nitrogen
D. Calculate the moles of N2 molecules in 4.73 liters of nitrogen gas
The calculations possible using only 28.02 g/mol as a conversion factor are A and C and calculation of each part is below.
A. Calculate the grams of N2 in 10.58 liters of nitrogen gas can be done using the density of nitrogen gas at standard temperature and pressure (STP) which is 1.2506 g/L. Using the given volume of 10.58 L and the density of nitrogen gas, we can calculate the grams of N2 as:
Grams of N2 = (10.58 L) x (1.2506 g/L) = 13.23 g of N2
B. Calculate the grams of N2 in 5.03 x 10^20 moles of nitrogen molecules cannot be directly calculated using the given conversion factor of 28.02 g/mol. We would need the Avogadro's number to convert the number of moles to the number of nitrogen molecules, and the molar mass of nitrogen to convert the number of nitrogen molecules to grams.
C. Calculate the moles of N2 molecules in 3.94 grams of nitrogen can be calculated using the molar mass of nitrogen gas, which is 28.02 g/mol. We can use the formula:
Moles of N2 = (Given mass of N2) / (Molar mass of N2)
= 3.94 g / 28.02 g/mol
= 0.1407 moles of N2
D. Calculate the moles of N2 molecules in 4.73 liters of nitrogen gas can also be done using the density of nitrogen gas at STP and the molar mass of nitrogen gas. Using the given volume of 4.73 L and the density of nitrogen gas, we can calculate the mass of nitrogen gas as:
Mass of N2 = (4.73 L) x (1.2506 g/L) = 5.917 g of N2
Then, we can use the formula:
Moles of N2 = (Given mass of N2) / (Molar mass of N2)
= 5.917 g / 28.02 g/mol
= 0.2112 moles of N2
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In a neutral stable carbon atom with a mass of 11. Determine the number of protons,
neutrons, and electrons.
Number of Protons:
Number of Neutrons:
Number of Electrons:
Answer:
A neutral stable carbon atom with a mass of 11 has the atomic number 6, which means it has 6 protons in its nucleus. The number of neutrons in a carbon atom can vary, but the most common isotope of carbon has 6 neutrons.
In a neutral atom, the number of electrons is equal to the number of protons. Therefore, a neutral carbon atom with 6 protons would also have 6 electrons.
So to summarize, a neutral stable carbon atom with a mass of 11 has:
6 protons
6 neutrons (for the most common isotope)
6 electrons
Explanation:
A neutral stable carbon atom is an atom that has no net electric charge and is not undergoing any chemical reactions. This type of atom is said to be "stable" because it has a balanced number of protons and electrons, which gives it a neutral electric charge.
The number of protons in an atom is known as its atomic number, which is unique to each element and determines the element's identity. The atomic number of carbon is 6, which means that every carbon atom has 6 protons in its nucleus.
The number of neutrons in an atom can vary, but the most common isotope of carbon has 6 neutrons. Atoms of the same element known as isotopes differ in the number of neutrons they contain in their nuclei. The number of neutrons in an atom affects its mass, but not its atomic number.
The quantity of electrons in a neutral atom is equal to the number of protons. Electrons occupy the electron shells surrounding the nucleus, and the number of electrons determines the element's chemical properties and behavior. In a neutral carbon atom, there are 6 electrons to balance the 6 protons in the nucleus.
In conclusion, a neutral stable carbon atom with a mass of 11 has 6 protons, 6 neutrons (for the most common isotope), and 6 electrons. This gives the atom a neutral electric charge and is representative of the atomic structure of the element carbon.
What allows us to convert from moles of one substance to moles of another substance?
A. Group of answer choices
B. Formula mass
C. Molecular mass
D. A balanced chemical equation
E. A conversion table
To convert from the moles of one substance to the moles of another substance the one that allows is the correct option is D. A balanced chemical equation.
The balanced equation is the the chemical equation in which the number of the moles of the atoms in the reactant side is equals to the number of the moles of the product side of each of the atom. From the balanced chemical equation we will find out the moles of the substance that involves in the chemical reaction.
Thus, from the balanced chemical equation we will convert the moles of the one substance to moles of the another substance.
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Sediments can be used to study the Earth's past climates.
False
True
Answer:True
Sediments are layers and inside of each layer of rock, you can find past animals and plants that lived that wil allow you to know more about the life on Earth centuries before humans began to study it. So B. True is our correct answer.
I hope this helped & Good Luck <3!!
Multiple Select Question
Select all that apply
Select all the statements that correctly describe organometallic reagents.
A. Organometallic reagents are good nucleophiles and strong bases.
B. Organometallic reagents are ionic since they contain a bond between a metal and a nonmetal.
C. Organometallic reagents are a source of electrophilic carbon.
D. These reagents contain a polar carbon-metal bond.
Good nucleophiles and powerful bases are organometallic reagents. Since they contain a link between a metal and a nonmetal, organometallic reagents are ionic.
What is meant by organometallic reagents?Chemicals with carbon-metal linkages are called organometallic reagents. Only compounds where M = Li or Mg will be taken into consideration for the sake of the discussion that follows. A substance is referred to be an organolithium reagent when M=Li. Grignard reagents are what you get when M = Mg.
An organic molecule's carbon atom is bonded to at least one metallic element through an organometallic complex, which is a type of chemical compound. In some industrial chemical reactions, organometallic compounds made of metalloid elements including silicon, tin, and boron are employed.
Traditional definitions of organometallic compounds include those with bonds between one or more metal atoms and one or more carbon atoms of an organyl group. By prefixing the metal with "organo-," organometallic compounds are categorised (e.g., organopalladium compounds).
Therefore, the correct answer is option
A. Organometallic reagents are good nucleophiles and strong bases.
B. Organometallic reagents are ionic since they contain a bond between a metal and a nonmetal.
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How many molecules are there if you have 25.6 grams if titanium (IV)
oxide, used to color paint?
Answer:
itsball wrong
Explanation:
beucaer
combining a carboxyl group with a hydrocarbon chain creates what is called?
Combining a carboxyl group with a hydrocarbon chain creates a fatty acid.
Fatty acids are organic molecules that consist of a hydrocarbon chain and a carboxyl group (-COOH) at one end. The hydrocarbon chain can vary in length and degree of saturation, which determines the properties of the fatty acid.
There is no double bond in saturated fatty acids (SFA); This kind of fat is made by the body and comes primarily from animal products like full-fat dairy products, red meat, and poultry. In addition, there are numerous varieties of SFA based on the length of their chain, which ranges from 4 to 16 carbon atoms.
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A molecule is found to contain 47. 35% c, 10. 60% h, and 42. 05% o. What is the empirical formula for this molecule?.
The empirical formula for the molecule containing 47.35% C, 10.60% H, and 42.05% O is CH2O.
To determine the empirical formula, the percentage composition of each element must first be converted to moles. This is done by dividing the mass of each element by its molar mass and multiplying by the total moles in the compound. The total moles in the compound can be determined by dividing the molar mass by the molecular mass. The molecular mass of the compound is calculated by adding the atomic masses of each element together.
Once the moles of each element have been determined, the relative numbers of each element in the compound can be determined by dividing the moles of each element by the total moles in the compound. The empirical formula of the compound is then determined by dividing each element’s relative number by the smallest integer that will yield whole numbers. In this case, the smallest integer for C is 1, for H is 2, and for O is 1, yielding a molecular formula of CH2O.
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how to find number of protons
The number of protons is equal to atomic number; the number of neutrons = mass number – the atomic number.
Protons are the kind of subatomic particles that, together with neutrons, are prominently found in the nucleus of an atom.
An element's atomic number may be thought of as the number of a chemical element in the periodic system, where the elements are grouped in ascending order of the number of protons in the nucleus.
The difference between the atomic number and the mass number of the atom may be used to compute the number of neutrons.
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