Which equation represents the reaction of acetic (ethanoic) acid with water? A. CH3COO- + H2O CH3COOH + OH- B. CH3COOH + H2O CH3COO- + H3O+ C. CH3COO- + H2O CH3COO2- + H3O+ D. CH3COOH + H2O CH3COOH2+ + OH-

Answers

Answer 1

Answer: "CH3COOH + H2O CH3COO- + H3O+" is the equation among the choices given in the question represents the reaction of acetic (ethanoic) acid with water. The correct option among all the options that are given in the question is the second option or option "B". I hope that the answer has helped you.

Answer 2

Answer:

Answer:

B. CH3COOH + H2O CH3COO- + H3O+

Explanation: hope this helped :)

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How many Atoms are in 2.3 g of Na? show your work and these question will take two steps

Answers

Use stoichiometry and convert 2.3 grams of sodium to moles. Then convert the moles to atoms using 6.02(10)^23.

Post your answer and I'll post mine :)

If you have earned income, which of the following retirement devices must you contribute to, by law? A. IRA
B. Pension plan
C. Social security (FICA)
D. Vesting plan

Answers

C. SOCIAL SECURITY (FICA) PENNFOSTERS

Starch and cellulose are both produced by plants, yet one is easily digested by animals and the other is not. Discuss the differences in the structures of these two molecules and how this may impact whether they can be digested.

Answers

Starch andcellulose have the same substance but different structures. They are bothpolysaccharides. The basic unit of a polysaccharide is the glucose. Glucose,which contains carbon, hydrogen, and oxygen, have two forms. The alpha-glucosewith an alcohol group attached to carbon 1 is down and the beta-glucose withthe alcohol group attached to carbon 1 is up. Starch is the alpha-glucose whilecellulose is the beta-glucose. Starches are linked into a straight chain whereasthe cellulose are connected like a pile of stack paper. When the human bodyeats starch, it can digest the starch but not the cellulose because it has noenzyme that can break it down.

1. A charged group of covalently bonded atoms is known as

Answers

Its known as covalently bonded atoms

Final answer:

A charged group of covalently bonded atoms is known as a polyatomic ion or molecular ion; this is a group of atoms sharing electrons through covalent bonds and carrying an overall charge.

Explanation:

A charged group of covalently bonded atoms is known as a polyatomic ion or a molecular ion. These ions are formed when a group of atoms such as ammonium (NH4+), nitrate (NO3-), or sulfate (SO42-) share electrons through covalent bonds and also carry an overall charge. This net charge results from an excess or a deficiency of electrons compared to the total number of protons in the ion's atoms.

Learn more about Polyatomic Ions here:

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In the reaction C + 02 - CO2, 18 g of carbon react with oxygen to produce 72 g of carbon dioxide. What mass of oxygen would be needed in the reaction? O 18 g O 54 g O 72 g 0 90 g

Answers

Mass of oxygen : 54 g

Further explanation

Conservation of mass applies to a closed system, where the masses before and after the reaction are the same

Reaction

$\tt C+O_2\rightarrow CO_2$

mass before reaction = mass after reaction

mass C + mass O₂= mass CO₂

$\tt 18~g+mass~O_2=72~g\n\nmass~O_2=72-18=\boxed{\bold{54~g}}$

A sample of gas at 300 K has a volume of 2.0 liters. At what temperature will the volume decrease to 1.0 liter if the pressure is kept constant?

Answers

Answer : The temperature will be, 150 K

Explanation :

Charles' Law : This law states that volume of gas is directly proportional to the temperature of the gas at constant pressure and number of moles.

$V\propto T$ (At constant pressure and number of moles)