Question

A) Calculate KP at 298 K for the reaction NO(g)+1/2O2(g)→NO2(g) assuming that ΔH∘R is constant over...

A) Calculate KP at 298 K for the reaction NO(g)+1/2O2(g)→NO2(g) assuming that ΔHR is constant over the interval 298-600K.

NOTE: I can tell you for sure the following answers are wrong: 7.2*10^10; 1.38*10^-11; 10.35; 14.65

B: Calculate KP at 475 K for this reaction assuming that ΔHR is constant over the interval 298-600 K.

My prof told me to use: ln(K2/K)=-ΔH/(1/T2-1/T1) but it is not working for me

NOTE: the following answers are wrong: 1.16*10^7; 6.26*10^6; 102

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