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In a thermally isolated system. Two boxes filled with an ideal gas are connected by a valve. When the valve is in closed position, states of the box 1 and 2. respectively, are 1 atm,V,T and 0.5 atm, 4 V,T. When the valve is opened, the final pressure of the system is approximately.

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Important Questions on Kinetic Theory of Gases and Thermodynamics

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A coolant in a chemical or nuclear plant is a liquid that is used to prevent different parts of a plant from getting too hot. One important property of coolant is that it
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A solid cube and a solid sphere of identical material and equal masses are heated to the same temperature and left to cool in the same surroundings. Then

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In the Arctic region hemispherical houses called igloos are made of ice. It is possible to maintain inside an Igloo as high as 20°C because
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An ideal gas filled in a cylinder occupies volume V. The gas is compressed isothermally to the volume V3. Now the cylinder valve is opened and the gas is allowed to leak keeping temperature same. What percentage of the number of molecules escape to bring the pressure in the cylinder back to its original value.
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An ideal gas follows aprocess described by PV2=C from P1,V1,T1 to P2,V2,T2 (C  is a constant). Then
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One mole of a mono atomic ideal gas is expanded by a process described by PV3=K where K is a constant. The heat capacity of the gas during the process is given by (R is the gas constant)
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One mole of ideal gas undergoes a linear process as shown in the figure below. Its temperature expressed as a function of volume V is-

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KVPY Aptitude Test - Stream SA
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A closed bottle containing water at 30°C is opened on the surface of the moon. Then