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What volume of methane at STP would be required to convert a 2.0-kg block of ice...

What volume of methane at STP would be required to convert a 2.0-kg block of ice at −15 °C to water at 15 °C, assuming that no heat is lost? The heat of fusion for ice is 6.01 kJ mol−1. The heat capacity of ice is 2.108 J g−1 °C−1 and the heat of combustion for methane is 891 kJ mol−1.

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