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ΔGo = 775 kJ for the vaporization of boron carbide: B4C (s) = 4 B (g)...

ΔGo = 775 kJ for the vaporization of boron carbide:

B4C (s) = 4 B (g) + C (s)

Find ΔG and determine if the process is spontaneous if the reaction vessel contains 4.00 mol B4C(s), 0.400 mol of C(s), and B(g) at a partial pressure of 1.0 x 10-5 atm. At 2600 K, R T = 21.6 kJ.
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