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An immersion heater, in an insulated ves...

An immersion heater, in an insulated vessel of negligible heat capacity brings 10 g of water to the boiling point from `16^@C` in 7 min. Then
Q. The water is replaced by 200 g of alcohol, which is heated from `16^@C` to the boiling point of `78^@C` in 6 min 12 s whereas 30 g are vapourized in 5 min 6 s. The specific heat of alcohol is

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