MHT CET Chemistry question

ChemistryThermodynamicsMHT CET

A cylinder of gas is assumed to contain 11.2 kg of butane (). If a normal family needs 20000 kJ of energy per day, the cylinder will last in (Given that for combustion of butane is kJ)

Answer: (C)

Solution

Moles of butane ; energy available kJ; days $=

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Question ID VK-064727