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April 19, 2014

Homework Help: chemistry

Posted by Jake on Thursday, December 2, 2010 at 3:48pm.

From the following information, determine ΔHf of malonic acid, CH2(COOH)2(s).
CH2(COOH)2(s) + 2O2(g) → 3CO2(g) + 2H2O(l); ΔH = 861.0 kJ
Substance
ΔHf (kJ/mol)
CO2(g)
393.5
H2O(l)
285.8


A. 2613.1 kJ
B. 1540.3 kJ
C. 2613.1 kJ
D. 891.1 kJ
E. 891.1 kJ

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