In a balanced chemical reaction, the total mass of the products always equals the a. molar mass of the reactants. c. total mass of the reactants. b. atomic mass of the reactants. d. proportional masses of the reactants. select the best answer from the choices provided

Why are pipes bursting in the in extremely cold weather?

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d