a) Warm-up question Using data from the Appendix, calculate ?G o (in kJ) at 65 o

Question

a)Warm-up question Using data from the Appendix, calculate ?Go (in kJ) at 65 oC for the reaction:

N2O(1 atm) + H2(1 atm) ? N2(1 atm) +H2O(l)

(Recall, all gases at 1 atm for standard conditions)

b)Calculate ?G (in kJ) at 65 oC for the reaction:

N2O(0.0020 atm) + H2(0.33 atm) ? N2(184.1 atm) +H2O(l)

c)Assume that the ?Ho and ?So of vaporization do not change significantly with temperature. Calculate the vapor pressure of CH3OH at 77 oC (in atm).

CH3OH (l) ? CH3OH(g) . . . ?Ho = 38.0 kJ and ?So = 112.9 J/K

(Don't round unil the end. Using the exponent enlarges any round-off error.)

d)Calculate the vapor pressure of Hg at 64 oC (in atm).

Hg(l) ? Hg(g) . . . ?Ho = 61.32 kJ and ?So = 98.83 J/K

Explanation / Answer

a) Warm-up question Using data from the Appendix, calculate ?G o (in kJ) at 65 o

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