How Do You Determine the Heat of Reaction for CO + NO2 Reaction?

[richi]

Can somebody help me with this please?

CO + NO2 ----> CO2 + NO the activation energy for the forward reaction is 135 kJ/mol of CO reacted.
a) determine the heat of reaction
b) fron the data given , and the Delta Hr for the reaction , determine the activation energy for the reverse reaction.

Thanks

 

[Stevedye56]

Do you have any ideas about the problem? Do you remember Kinetics and flipping equations and what was involved there?

 

[richi]

Do you have any ideas about the problem? Do you remember Kinetics and flipping equations and what was involved there?

I know the molecules in the reaction need 135kJ to start the reaction. But when determining heat of reaction, the number is not even close to 135 kJ.

 

[Stevedye56]

This site has some good information on calculating the reaction enthalpy. http://www.science.uwaterloo.ca/~cchieh/cact/c120/heatreac.html

 

[richi]

I know the molecules in the reaction need 135kJ to start the reaction. But when determining heat of reaction, the number is not even close to 135 kJ.

Thanks it is helpful.