Question

which of the following rows identifies both the elements and the total number of atoms that are present in one molecule of ch₃cooh(aq)?
which of the following statements describes a physical property of a substance?
a. hydrochloric acid produces heat when mixed with zinc.
b. phosphorous burns when exposed to air.
c. lithium reacts violently with water.
d. copper conducts electricity.

Explanation:

Step1: Analyze the formula of \(CH_3COOH\)

The formula \(CH_3COOH\) can be written as \(C_2H_4O_2\).

Step2: Calculate the number of each atom

• For carbon (\(C\)): There are \(2\) carbon atoms.
• For hydrogen (\(H\)): There are \(4\) hydrogen atoms.
• For oxygen (\(O\)): There are \(2\) oxygen atoms.

Step3: Sum up the number of atoms

The total number of atoms is \(2 + 4+2=8\).

Answer:

C. Carbon, hydrogen, and oxygen; \(8\)