Question 1
Consider the freezing of liquid water at –10°C. For this process what are the signs for ΔH, ΔS, and ΔG?
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Question 2
Consider the gas phase reaction NO +

O
2
NO
2 for which Δ
H° = –57.04 kJ and
K = 1.48

10
6 at 25°C.
CalculateΔH°at 25°C for the following reaction:
2NO + O2 
2NO2
Reference: Ref 17-6
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57.04 kJ◦
–114.1 kJ◦
–28.5 kJ◦
3254 kJ◦
None of these are correct.