which of the following would be good guidelines for balancing chemical equations? select two correct…

which of the following would be good guidelines for balancing chemical equations? select two correct answers. a. law of conservation of mass does not apply to atoms. b. law of conservation of mass does apply to atoms. c. the total mass of the reactants does not equal the total mass of the products. d. subscripts are changed for elements. e. coefficients can be changed for molecules.

which of the following would be good guidelines for balancing chemical equations? select two correct answers. a. law of conservation of mass does not apply to atoms. b. law of conservation of mass does apply to atoms. c. the total mass of the reactants does not equal the total mass of the products. d. subscripts are changed for elements. e. coefficients can be changed for molecules.

Answer

Answer:

B. Law of conservation of mass does apply to atoms. E. Coefficients can be changed for molecules.

Explanation:

Step1: Understand conservation law

The law of conservation of mass states that mass is conserved in a chemical reaction, meaning it applies to atoms. So A is incorrect and B is correct.

Step2: Analyze mass - equality

In a balanced chemical equation, the total mass of reactants equals the total mass of products, so C is incorrect.

Step3: Consider subscripts and coefficients

Subscripts represent the number of atoms in a molecule and are not changed when balancing equations. Coefficients in front of molecules can be adjusted to balance the equation, so D is incorrect and E is correct.