Types of Chemical Reactions, Balancing and Molar Mass Test

Front

What does the Law of Conservation of Matter state?

Back

The total mass of the reactants should be equal to the mass of the products.

Front

What is the molar mass of H₂?

Back

2.02 g/mol

Front

What is a product in a chemical reaction?

Back

A substance that is formed as the result of a chemical reaction.

Front

Which of the following equations is correctly balanced? 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂

Back

This equation is correctly balanced.

Front

How many hydrogen atoms are in 3(NH₄)₂CrO₄?

Back

24 hydrogen atoms.

Front

Define a reactant in a chemical reaction.

Back

A substance that undergoes change during a chemical reaction.

Front

What is the molar mass of water (H₂O)?

Back

18.02 g/mol

Front

What is the balanced equation for the combustion of methane (CH₄)?

Back

CH₄ + 2O₂ → CO₂ + 2H₂O.

Front

What is the significance of balancing chemical equations?

Back

It ensures that the Law of Conservation of Matter is upheld.

Front

What is the molar mass of carbon dioxide (CO₂)?

Back

44.01 g/mol.