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April 18, 2014

Homework Help: chemistry

Posted by Anonymous on Wednesday, October 24, 2012 at 12:42am.

A scientist measures the standard enthalpy change for the following reaction to be -2923.0 kJ :

2C2H6(g) + 7 O2(g) 4CO2(g) + 6 H2O(g)

Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of CO2(g) is _________

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