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If system A and B each consist of pure liquid water at 1 bar pressure and if $T_{A} > T_{B}$ , then the internal energy of system A must be greater than that of B.

$Δ U$ for a reversible phase change at constant T and P is zero.

During adiabatic reversible compression the temperature of ideal gas increases.

During same increase in volume of an ideal gas at 1atm 300K, more work will be done by gas if process is carried out isobarically than isothermal process.

answer is C.

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Detailed Solution

During adiabatic reversible compression, the temperature of ideal gas increases as no heat goes out and the work increases the internal energy.

During same increase in volume of an ideal gas at 1atm 300K, more work will be done by gas if process is carried out isobarically than isothermal process.

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