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qUESTIONS

An ideal gas expands in such a manner that its pressure and volume can be related by equation PV^2 = constant. During this process, the gas is

In the given (VT) diagram, what is the relation between pressure P₁ and P2

A gas is compressed isothermally to half its initial volume. The same gas is compressed separately through an adiabatic process until its volume is again reduced to half. Then

A Carnot engine absorbs an amount Q of heat from a reservoir at an absolute temperature T and rejects heat to a sink at a temperature of T/3. The amount of heat rejected is

An ideal gas heat engine operates in Carnot cycle between 227°C and 127°C. It absorbs 6 x 10^4 cals of heat at higher temperature. Amount of heat converted to work is

Which of the following processes is reversible?

In a cyclic process, work done by the system is?

The change in the entropy of a 1 mole of an ideal gas which went through an isothermal process from an initial state (P1, V1, T) to the final state (P2, V2, T) is equal to

When 1 kg of ice at 0°C melts to water at 0°C, the resulting change in its entropy, taking latent heat of ice to be 80 cal/°C is

Find the change in the entropy in the following process 100 g of ice at 0°C melts when dropped in a bucket of water at 50°C (Assume temperature of water does not change)

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