Ice-water mass ratio is maintained as 1 : 1 in a given system containing water in equilibrium with ice at constant pressure. If $C_{P} (i c e) = C_{P} (w a t e r) = 4.18 J g^{- 1} K^{- 1}$ then molar heat capacity of such a system is

75.48 J K^{- 1} m o l^{- 1}

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Zero

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4.182 J K^{- 1} m o l^{- 1}

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Infinity

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Solution

The correct option is D Infinity
The molar heat capacity is the amount of heat required to increase the temperature of one mole of a substance by one degree.If some finite heat is supplied, the ice would melt to water, without any change in temperature. So the molar heat capacity = $\frac{H e a t s u p p l i e d}{0}$ = Infinity.

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Q. Ice-water mass ratio is maintained as 1 : 1 in a given system containing water in equilibrium with ice at constant pressure. If

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Ice-water mass ratio is maintained as 1 : 1 in a given system containing water in equilibrium with ice at constant pressure. If CP(ice)=CP(water)=4.18 J g−1K−1 then molar heat capacity of such a system is

Ice-water mass ratio is maintained as 1 : 1 in a given system containing water in equilibrium with ice at constant pressure. If $C_{P} (i c e) = C_{P} (w a t e r) = 4.18 J g^{- 1} K^{- 1}$ then molar heat capacity of such a system is