1. Clicker #1
How many cars can we make?
A) 3
B) 4
C) 6
D) 12
E) 16

2. Clicker #2
If you have 8 moles of hydrogen and all the oxygen you need, how many moles of water can you make?
2H2 + O2 → 2H2O
A) 1 mol
B) 2 mol
C) 4 mol
D) 8 mol
E) 16 mol

3. Clicker #3
If you have 6 moles of oxygen and all the hydrogen you need, how many moles of water can you make?
2H2 + O2 → 2H2O
A) 1 mol
B) 2 mol
C) 3 mol
D) 6 mol
E) 12 mol

4. Clicker #4
If you have 8 moles of hydrogen and 6 moles of oxygen, how many moles of water can you make?
2H2 + O2 → 2H2O
A) 6 mol
B) 8 mol
C) 12 mol
D) 14 mol
E) 16 mol