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Topic: If given delta Horxn how do I calculate delta Eorxn?  (Read 3928 times)

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Offline galvanichell

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If given delta Horxn how do I calculate delta Eorxn?
« on: November 29, 2009, 02:56:25 PM »
If given  :delta: H o rxn how do I calculate  :delta: E o rxn? Am I right to think that I use H = E + pV for this?  ??? All that is given is  :delta: H o rxn and the balanced reaction. I'm not sure how to go about calculating it.
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Offline galvanichell

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Re: If given delta Horxn how do I calculate delta Eorxn?
« Reply #1 on: November 29, 2009, 09:38:14 PM »
Here is an example of one of the questions in this format. Maybe this will help you to understand what I do not, so you can explain it to me. Any help would be great.

The standard enthalpy of reaction,  :delta: Horxn for C2H2(g) + 2H2(g) :rarrow: C2H6(g) is -311.5 kJ mol-1. Determine the value of  :delta: Eorxn for this reaction.
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