Coal gasification is a multistep process to convert coal into cleaner-burning fuels (see

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. (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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