Solved: Coal gasification is a multistep process to
Chapter 6, Problem 6.100(choose chapter or problem)
Coal gasification is a multistep process to convert coal into cleaner-burning fuels (see Chemical Connections, p. 256). In one step, a coal sample reacts with superheated steam: (a) Combine this reaction with the following two to write an overall reaction for the production of methane: (b) Calculate H rxn for this overall change. CO(g) 3H2(g) CH4(g) H2O(g) Hrxn ? ? 206 kJ CO(g) H2O(g) CO2(g) H2(g) Hrxn ? ? 41 kJ C(coal) H2O(g) CO(g) H2(g) Hrxn 129.7 kJ Before reaction Container Wall Container Wall After reaction 266 Chapter 6 Thermochemistry: Energy Flow and Chemical Change siL48593_ch06_235-267 9:2:07 20:06pm Page 266 nishant-13 ve403:MHQY042:siL5ch06: Apago PDF Enhancer (c) Using the value in (b) and calculating H rxn for the combustion of methane, find the total heat for gasifying 1.00 kg of coal and burning the methane formed (assume water forms as a gas and of coal 12.00 g/mol)
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