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Questions  

For process 1, U is positive, for process 2, U is zero and for process 3, U is negative. Find the parameters indicating x and y axes.

 

a
Temperature and volume
b
Temperature and pressure
c
No. of moles and pressure
d
Volume and pressure

detailed solution

Correct option is D

For process 2, ∆U = 0. It will be isothermal process.In options (a) and (b) temperature is indicated on x-axis. If temperature is shown on x-axis, isothermal process can­not be shown as otherwise shown in the question for pro­cess 2. Hence options (a) and (b) are not correct.            Obviously, option (c) is not correct.

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100 mol of an ideal gas is heated from 10° to 20°C keeping its (i) volume constant (ii) pressure constant.
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