Question

At high temperatures, boron carbide vaporizes according to
B4C(s) ⇌ 4 B(g) + C(s)
At 2500 K, the equilibrium pressure of B(g) is 0.0342 mm Hg over a mixture of 0.300 mol B4C(s) and 0.500 mol C(s). Calculate for this process.
A) 832 kJ
B) 799 kJ
C) 281 kJ
D) 247 kJ

Answer

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