For a one step reaction, the activation energy for the forward reaction is 40.0 kJ mol-1, and the enthalpy of reaction is -20.0 kJ mol-1. Which statement below is true? O The reaction is endothermic. The value for the enthalpy of reaction would be decreased by addition of a catalyst. The reaction rate would be decreased by an increase in temperature. The reverse reaction has a higher activation energy than the forward reaction. The activation energy of the forward reaction would be affected to a greater extent than the activation energy of the reverse reaction by addition of a catalyst.

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Chapter1: Chemical Foundations
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For a one step reaction, the activation energy for the forward reaction is 40.0 kJ mol-1, and the enthalpy of reaction is -20.0 kJ mol-¹. Which statement below is true?
The reaction is endothermic.
The value for the enthalpy of reaction would be decreased by addition of a catalyst.
The reaction rate would be decreased by an increase in temperature.
The reverse reaction has a higher activation energy than the forward reaction.
The activation energy of the forward reaction would be affected to a greater extent than the activation energy of the reverse reaction by addition of a catalyst.
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Transcribed Image Text:For a one step reaction, the activation energy for the forward reaction is 40.0 kJ mol-1, and the enthalpy of reaction is -20.0 kJ mol-¹. Which statement below is true? The reaction is endothermic. The value for the enthalpy of reaction would be decreased by addition of a catalyst. The reaction rate would be decreased by an increase in temperature. The reverse reaction has a higher activation energy than the forward reaction. The activation energy of the forward reaction would be affected to a greater extent than the activation energy of the reverse reaction by addition of a catalyst. --
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