Assuming that `50%` of the heat is useful, how many `kg` of water at `15^(@)C` can be heated to `95^(@)C` by burning 200 litre of methane at `STP` ? T
Assuming that `50%` of the heat is useful, how many `kg` of water at `15^(@)C` can be heated to `95^(@)C` by burning 200 litre of methane at `STP` ? The heat of combustion of methane is `211kcal//mol`. Specific heat of water is `1.0 kcal kg^(-1)K^(-1)`.
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