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May 4, 2015

Homework Help: Chemistry

Posted by John on Wednesday, March 7, 2012 at 9:21pm.

Given the following hypothetical equations,
2A + B → 3C + 2D ΔH = -46.7kJ
C → B ΔH = 13.1kJ
2E → B ΔH = 84.5kJ,
what is the enthalpy change (kJ) for the following reaction?
A → D + 2E

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