For the reaction , at . The enthalpy change for the above reaction is (nearest integer). (Given: )

Question

For the reaction ,  at . The enthalpy change for the above reaction is    (nearest integer). (Given: )

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Strategy:
 Apply the relationship  to find the enthalpy change from the internal energy change at 300 K.

Step 1: Calculate 
Reaction: 
.

Step 2: Calculate 
Given: .

.
Enthalpy change in kJ/mol .

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