Homework Help: chemistry

Posted by Katie on Sunday, December 4, 2011 at 11:44pm.

Calculate the volume of natural gas (methane) required to bring 2.6 L of water to a boil. Assume the initial temperature of the water is 21 C, and the methane is at 1 bar and 25 C. Assume that methane is an ideal gas, the specific heat capacity of water to be constant and equal to 4.184 J/g/K over this temperature range, and the density of water to be 1.0 g/cm3. The combustion of methane is given by
CH4 + 2 O2 Би CO2 + 2 H2O ГвHcomb = -890.36 kJ/mol

chemistry - DrBob222, Monday, December 5, 2011 at 10:41am
I responded to a similar problem, different numbers I think but the same concept, a day or so ago and here is my response.
http://www.jiskha.com/display.cgi?id=1322859803

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