The Value of the Equilibrium Constant for the Reaction

question 10

Multiple Choice

The value of the equilibrium constant for the reaction
C₂H₄(g) + H₂O(g) ∏ C₂H₅OH(g)
Is 9.920 at 423 K and 6.397 at 523 K. Determine the average value of the standard enthalpy of reaction over this temperature range.

• A) -8.1 kJ mol^-1
• B) -36.5 kJ mol^-1
• C) -64.8 kJ mol^-1
• D) -3.50 kJ mol^-1

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