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Even though heat is supplied to boiling ...

Even though heat is supplied to boiling water, there is no increase in its temperature.

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Once water starts boiling, all the heat supplied to it is used in conversion of water into steam at the boiling point of water. Hence, there is no rise in its temperature.
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Knowledge Check

  • The molar heat capacity of water at constant pressure, C_(p) is "75 J K"^(-1)"mol"^(-1) . When 10 kJ of heat is supplied to 1 kg water which is free to expand, the increase in temperature of water is

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    C
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    A
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