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In case of 1 mol of an ideal gas, write ...

In case of 1 mol of an ideal gas, write down the value of `C_(v) - C_(p)`.

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(i) 1 mol of an ideal gas expands isothermally and reversible from (P_(1)V_(1)T) to (P_(2)V_(2)T) . Write down the equation showinig the amount of heat absorbed by the given ideal gas. (ii) In an isothermal expansion of an ideal gas, the pressure of the gas decreases from P_(1) to P_(2) . write down the equation of work done by the gas in this process. (iii) The temperature of 1 mol of an ideal gas is increased from T_(1) and T_(2) . write down the equations for the changes in enthalpy and internal energy.

In isothermal expansion of 1 mol of an ideal gas, q=+12kJ . The value of w=______ and DeltaU =______.

What is the value of C_(p)// C_(V) of noble gas ?

If the temperature of 1 mol of an ideal gas is doubled then what will be the change in value of internal energy? Will it increase, decrease or remain the same?

At a low pressure and at a particular temperature, the pressure of 1 mol of an ideal gas is____ that of 1 mol real gas.

IF n is the number of degrees of freedom of the molecules of an ideal gas, show that the ratio C_p/C_v is 1+2/n .

The temperature of 1 mol of an ideal monoatomic gas at constant pressure of 1 atm changes from 25^(@)C and 50^(@)C . Calculate Delta U and Delta H in this process, (C_(V)=(3)/(2)R) .

C_(v) = 5/2 R , for 1 mol of any diatomic ideal gas. The value of the ratio of the two specific heats [(C_p)/(C_v) = gamma] of the gas is

Define degrees of freedom . Write down the principle of equiparition of energy . Find the value of gamma ( = C _(p) // C_(v)) of a diatomic gas .

The number of molecules in an ideal gas with a volume of V at pressure P and temperature T is 'n'. Write down the equation of state for this gas.

CHHAYA PUBLICATION-FIRST AND SECOND LAW OF THERMODYNAMICS-Exercise - Very Short Answer Type Questions (Mark 1)
  1. A bicycle pump becomes hot when air is pumped into the tube. Why?

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  2. Air coming out form a burst bicycle or motorcar tube appears to be col...

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  3. If gamma of a gas is equal to 1.66 then what is the number of atoms in...

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  4. Adiabatic curves are comparatively then isothermal curves. [Fill in t...

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  5. If the pressure and the temperature of a gas change at constant volume...

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  6. What is the change in internal energy in an isothermal process?

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  7. In which expansion the internal energy of a gas be decreases?

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  8. If M is the molecular weight of a gas, what is the difference between ...

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  9. In case of 1 mol of an ideal gas, write down the value of C(v) - C(p).

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  10. An ideal gas rejects 10 cal of heat at constant volume. Find the work ...

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  11. What is the relation between p and V in an adiabatic process?

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  12. A process against frictional force cannot be . [Fill in the blank]

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  13. Two balls of the same mass, one of iron and the other of copper, are d...

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  14. In an isothermal process, the gas containers should be made of highlym...

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  15. In an adiabatic process, the gas containers should be made of highly ...

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  16. Is joule's heating process reversible or irreversible?

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  17. Write down the coefficient of performance of an ideal refrigerator.

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  18. What is the value of the efficiency of an ideal heat engine?

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  19. Heat engine is a mechanical device which converts heat into . [Fill in...

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  20. When heat is gained or lost by heat reservoir, its temperature .[Fill ...

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