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The activation energy for the reaction no2(g)+co(g)⟶no(g)+co2(g) is ea = 100 kj/mol and the change in enthalpy for the reaction is δh = -375 kj/mol . what is the activation energy for the reverse reaction? express your answer with the appropriate units.

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W0lf93
Answer: The activation energy for the reverse reaction is equal to the sum of the absolute value of DH + Ea(forward) or 275 kJ + 125 kJ = 400 kJ If you just sketch an energy diagram showing the activation energy and Delta H for the reaction, it should be apparent why this is the case.

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