If you were to compare the mass of the products and reactants in a reaction, you would find that the mass of the products is always greater the mass of the reactants is always greater the mass of the products is equal to the mass of the reactants the mass of the products may be greater or less than the mass of the reactants

In an oxidation-reduction reaction, oxidation is what happens when a reactant

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

Which of the following statements about acidic water is true? a. acid has no effect on the h, o molecules. b. the solution contains a larger number of oh ions than h, o ions. c. the solution contains a larger number of h, o ions than qh ions. d. the solution contains an equal number of h, o ions and oh ions. none of the above e.