1. Total mass in container
Fall 2017 Exam II
2 total pts.
1. d b 16. a) i. 6X(s) + N2(g) 2X3N(s)
d a ii. X is the limiting reactant. (Explanations vary.)
b e iii. potassium
b c b) i.
5. c c ii. NaOH is the limiting reactant.
6. e b iii. The temperature change would be expected to be the
7. a a same because the same amount of water can be
8. d produced in both cases.  
17. a) 176 g CO2, 36 g H2O b) c) 5.47 atm
2NaOH(aq) + H2SO4(aq)  2H2O(l) + Na2SO4(aq)
Mass C2H2
(g)
Mass O2
Mass CO2
Mass H2O
Total mass in container
Before Reaction
52.08 g
320 g g
After Reaction
160 g g
36.04 g