3. Chemical Reactions

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

Which of the following chemical formulas represents a molecule?

When potassium and chlorine react to form a neutral compound, what is the molecular formula of the product?

A compound has an empirical formula of CH\(_2\) and a molar mass of 30.069 g/mol. What is its molecular formula?

A compound has an empirical formula of CH\(_2\) and a molar mass of 30.069 g/mol. What is its molecular formula?

Which of the following is the correct molecular formula for ammonia?

Which of the following best describes a molecular formula?

What is the purpose of subscripts in chemical formulas?

Which of the following best describes the molecular formula of oxygen gas?

Given the molecular formula C2H6O, how many hydrogen atoms are present in one molecule?

Which of the following formulas must represent a molecular formula?

Which of the following best describes the information provided by a molecular formula?

Which of the following does the chemical (molecular) formula of a compound indicate?

What is the total number of carbon atoms in a molecule of ethanoic acid (CH3COOH)?

Which of the following best describes the molecular formula of gluten?