Answer to Question #207094 in General Chemistry for Daisy sidico

Question

N2(g)+3H2(g) 2NH3(g) if H= -92.2KJ and S = -0.2987KJ what is G for the reaction at 475 degrees celcius and at 5 degree celcius? Provide the answer in KJ. In each case is the reaction spontaneous?

With solution

Answer 1

$ΔG = ΔH − T * ΔS$

H=-92.2KJ

T×S= 470× -0.2987=-135.31

G=-92.2+-135.31=-227.51KJ