What is a chemical equation?
What are the substances on the left side of a chemical equation called?
What does the number in front of a molecular formula mean in a chemical equation?
Can the subscripts in a chemical reaction be changed?
Lavoisier observed that the mass of reactants is the same as the mass of the products after a reaction. Which of the following can you NOT conclude based on Lavosiers observation:
The law of definite proportions implies that:
What does it mean when a chemical equation is balanced?
What coefficient should be in front of the oxygen?
4 Al + __ O2 → 2 Al2O3
What are the correct coefficients to balance this equation?
12 HClO4 + ___ P4O10 → ____ H3PO4 + _____Cl2O7
If you begin this reaction with 1 mole of Ba3N2 and 6 moles of HF, how many moles of each product do you get?
Ba3N2 + 6 HF → ___ BaF2 + ___ NH3