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An ideal monoatomic gas undergoes a process such that its internal energy relates to the volume as U=aV, where a is a constant. Molar specific heat of the gas is nR. Value of n, is

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Important Questions on Thermodynamics

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Two moles of a diatomic ideal gas is taken through a process, P=αT, where α is a positive constant. Temperature of gas is increased from T0 to 2T0, work done by the gas is NRT0. Value of N, is
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A cyclic process ABC is performed on one mole of an ideal gas, TA=350 K and TB=450 K. A total of 1200 J of heat is withdrawn from the gas in the complete cycle. Work done by the gas during process BC is -45n J. Value of n is R=8.25JK-1 mol-1

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N moles of a diatomic gas performs a work Q3 on its surrounding when Q amount of heat is supplied to the gas. Molar heat capacity of the process is n R. Value of n, is
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One mole of a monatomic gas undergoes the process AB in the given P-V diagram. The molar specific heat for the process is nR16. Value of n, is

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Two engines are working in such a way that sink of one is source of the other. Their efficiencies are equal. The temperature of sink of first, if its source temperature is 927°C and temperature of sink of other is 27°C, is 24n K. Value of n, is
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An ideal gas expands from a volume V0=1 litre and pressure P0=1 bar to volume 3 litre along two different paths ABC and AC as shown in figure. The heat added to the gas along the path ABC is 600 J. The heat transfer in the process along the path AC is 10n J. Value of n, is

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Six moles of an ideal gas performs a cycle shown in figure. If temperatures are TA=600 K,TB=800 K and TD=1200 K, the temperature at point Cin K, is 40 n. Value of n, is

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An ideal gas is expanding such that PT2= constant. The coefficient of volume expansion of the gas is: