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July 24, 2014

Homework Help: Chemistry I

Posted by Anonymous on Thursday, July 1, 2010 at 9:04pm.

For the methanol combustion reaction
2CH3OH(ℓ) + 3O2(g) ----> 2CO2(g) + 4H2O(g)
estimate the amount of P [change]V work done and tell whether the work was done on or by the system. Assume a temperature of 27◦C.

1. 2.5 kJ, work done by the system
2. 2.5 kJ, work done on the system
3. No work is done in this reaction.
4. 7.5 kJ, work done by the system
5. 7.5 kJ, work done on the system

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