Question 1
Consider the reaction: 4 NH
3(g) + 5 O
2(g) → 4 NO
2(g) + 6 H
2O(l)
Δ
fH° -46.19 0.00 90.37 -285.85 kJ/mol
Compute Δ
rH° for this reaction.
◦ -622.62 kJ/mol
◦ 984.10 kJ/mol
◦ -1168.9 kJ/mol
◦ -241.67 kJ/mol
◦ -149.29 kJ/mol
Question 2
Consider the reaction: CO
2(g) + 2 HCl(g) → COCl
2(g) + H
2O(l)
Δ
fH° -393.51 -92.30 -223.01 -285.85 kJ/mol
Compute Δ
rH° for this reaction.
◦ -994.67 kJ/mol
◦ 23.05 kJ /mol
◦ -23.05 kJ /mol
◦ 69.25 kJ /mol
◦ -69.25 kJ/mol