3. Chemical Reactions

How many hydrogen atoms are present in a molecule of water (H_2O)?

Which of the following chemical formulas represents both an element and a molecule?

Which of the following is the molecular formula for ozone?

How many carbon atoms are present in 19 molecules of benzene (C6H6)?

Which of the following compounds contains exactly two oxygen atoms per molecule?

Which step would help a student find the molecular formula of a compound from the empirical formula?

How many nitrogen atoms are present in one molecule of N2H4?

A compound is labeled as CaH\(_2\). What is its molecular formula?

Water is composed of H2O molecules. How many total atoms are present in one molecule of water?

What is the molecular formula C6H12O6 commonly known as?

How many oxygen atoms are present in the chemical formula 2Ca(ClO2)2?

How many atoms of chlorine are present in one molecule of carbon tetrachloride (CCl_4)?

Which of the following is a molecule?

How many atoms are present in one molecule of H_2SO_4?

How many total atoms are present in one molecule of H_2O_2?