Popular First Law Of Thermodynamics Questions

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P-V diagram of a diatomic gas is a straight line passing through origin. the molar heat capacity of the gas in the process will be (A) 4R (B) 25R (C) 3R (D) 4R/3 (*please show the working) ...

The value of CP - CV is 1.00R for a gas sample in state A and is 1.08R in state B. Let pA and pB denote the pressures and TA and TB denote the temperatures of the states A and B resp. Most likely (a) pA<pB & TA>TB (b) p ...

At 200 degree Celsius pcl5 dissociate as follows pcl5= pcl3 +cl2 .it was found that the equilibrium vapours are 62 times as heavy as hydrogen .The degree of dissociation of pcl5 at 200 degree Celsius is ...

The molar specefic heat is given by C = 20+500/T (T is temperature).what is the work done by ideal monoatomic gas when it is heated from 200K to 700K? (*pls try without finding Q) ...

A diatomic gas does 80 j of work when expanded isobarically. find the heat given to the gas during this process. ...

Two thermally insulated vessels 1 and 2 are fiiled with air at temperature (T1,T2),volumes (V1,V2) and pressure(P1,P2) respectively.If the valve joining the two vessels is opened , the temperature inside the vessel at equilib ...

A 100kg block is started with a speed of 2m/s on a long, rough belt kept fixed in a horizontal position. The coefficient of kinetic friction betn. the block and the belt is 0.20. Consider the situation from a frame of referen ...