Teachers Notes:

Lunar Landing simulations:
http://holly.colostate.edu/~kevinmac/cnslunar.htm
http://www.apolloarchive.com/lander.html

Demonstration of a rocket propulsion type of reaction:
http://www.chem.leeds.ac.uk/delights/texts/Demonstration_16.htm

Problem 1:
21.4 g N₂H₂ x (1 mol/32.05g) x (7 mol gas products/1 mol N₂H₂) x 0.08205 L atm/Kmol) x (300 K) x (1/ 250 L) = 0.460 atm

Problem 2:
42.8 g (CH₃)₂NNH₂ x (1 mol/60.1 g) x (9 mol gas products/1 mol (CH₃)₂NNH₂) x 0.08205 L atm/Kmol) x (263 K) x (1/ 0.0060) = 2.31 x 10⁴ L