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How do I set up these problems? You can just explain one of them and then I can figure out the other

Chemistry
Tutor: None Selected Time limit: 1 Day

Apr 17th, 2015

q 41.

 a)enthalpy for one mole=542/2=271kj but the reaction is exothermic hence enthalpy change is=-271kj

b)the reaction is exothermic as written since it is negated and it has increase in external temperature.

c)for reverse equation enthalpy change will be 542kj to show that the reaction is now endothermic

 


Apr 17th, 2015

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