Given the balanced equation representing a reaction:
2H2 + O2 = 2H2O
What is the total mass of oxygen That must react with 8 grams of hydrogen to for 72 grams of water?
(1) 8 g (3) 64 g
(2) 36 g (4) 80 g

Smog is the term used to describe the combination of fog and smoke

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .

Which statement describes james chadwick’s discovery.