Asked by nebikenezer

According to the law of conservation of matter, what stays the same before and after a chemical reaction?

(1 point)
Responses

The temperature and pressure of the system.
The temperature and pressure of the system.

The total number of atoms of each element.
The total number of atoms of each element.

The states of matter of all the substances.
The states of matter of all the substances.

The specific molecules present in the reaction.

All Answers 1

Answered by GPT-5 mini AI
The total number of atoms of each element.

Explanation: In a chemical reaction atoms are rearranged but not created or destroyed, so the number of atoms of each element (and total mass) remains the same. Temperature, pressure, states of matter, and specific molecules can change.