Thermodynamics ...

In an adiabatic change, the pressure and temperature of a monoatomic gas are related with relation as $$P  \propto  T^C, $$ where $$C$$ is equal to :

When 100 J of heat is given to an ideal gas it expands from 200 $$cm^3$$ to 400 $$ cm^3$$ at a constant pressure of $$3 \times 10^5$$ Pa. Then calculate the change in internal energy of the gas :

Which of the following represents correctly the changes in thermodynamics properties during the formation of 1 mol of an ideal binary solution?

Net heat released by the system if initial and final temperatures of a gas is same and work done is $$35 kJ$$ is

A mass of diatomic gas ($$\gamma = 1.4$$) at a pressure of 2 atmospheres is compressed adiabatically so that its temperature rise from 27$$^o$$C to 927$$^o$$C. The pressure of the gas is final state is 

Find work done in the isobaric process.

Piston cylinder device initially contains $$0.5 m^3$$ of nitrogen gas at $$400 kPa$$ and $$27^o$$C. An electric heater within the device is at turned on and is allowed to pass a current of $$2 A$$ for $$5 \ min$$ from a $$120 V$$ source. Nitrogen expands at constant pressure and a heat loss of $$2800 J$$ occurs during the process.
$$R = \dfrac{25}{3} kJ/kmol-K$$

A gas can expand through two processes : (i) isobaric, (ii) P/V = constant. Assuming that the initial volume is same in both processes and the final volume which is two times the initial volume is also same in both processes, which of the following is true ?

The temperature at D is

A sound wave passing through air at $$NTP$$ produces a pressure of $$0.001\ dyne/cm^2$$ during a compression. The corresponding change in temperature (given $$\gamma = 1.5$$ and assume gas to be ideal) is