74. Solving a chemistry problem

74. Solving a chemistry problem

11. Without resorting to reference data, calculate the difference between the enthalpy H and the internal energy U of the hydrogenation reaction CH3CHO (t) H2 (g) = C2H5OH (l) at 298 K. Make a similar calculation for the reaction CH3CHO (t) H2 (g) = C2H5OH (g) at 400 K.

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