Problem: For the reaction NH4Cl (s) → NH3 (g) + HCl (g) ΔH ° = +176 kJ and ΔG ° = +91.2 kJ at 298 K. What is the value of ΔG at 1000 K? a) -109 kJ b) -64 kJ c) +64 kJ d) +109 kJ      

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Problem Details

For the reaction

NH4Cl (s) → NH(g) + HCl (g)

Δ° = +176 kJ and Δ° = +91.2 kJ at 298 K. What is the value of ΔG at 1000 K?

a) -109 kJ

b) -64 kJ

c) +64 kJ

d) +109 kJ

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