For the Reaction 2C(graphite) + H₂(g) $\rarr$ C₂H₂(g) $\Delta$ G ^$\circ$ = +209 $\circ$

question 115

Multiple Choice

For the reaction 2C(graphite) + H₂(g) $\rarr$ C₂H₂(g) , $\Delta$ G ^$\circ$ = +209.2 kJ/mol at 25 ^$\circ$ C. If P(H₂) = 100. atm, and P(C₂H₂) = 0.10 atm, calculate $\Delta$ G for this reaction.

• A) +207.8 kJ/mol
• B) +226.3 kJ/mol
• C) +192.1 kJ/mol
• D) +17.3 kJ/mol
• E) -16.9 kJ/mol

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