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Define molar specific heat capacities of...

Define molar specific heat capacities of a gas at constant pressure and constant volume. Why are they called 'principal specific heat capacities?

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ICSE-INTERNAL ENERGY -SHORT ANSWER QUESTIONS
  1. What is the difference between (i) heat capacity (ii) specific heat ca...

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  2. Can we define specific heat capacity at constant temperature?

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  3. Define molar specific heat capacities of a gas at constant pressure an...

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  4. What is γ ? Obtain the value of γ for (i) monatomic (ii) diatomic an...

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  5. Using first law of thermodynamics show that Q and W are path functions...

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  6. Distinguish between reversible and irreversible processes.

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  7. For an isothermal process

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  8. For an adiabatic compression the quantity pV

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  9. Derive an expression for the work done during adiabatic process.

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  10. Write down the relation for an adiabatic process in terms of (i) P and...

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  11. Show that the adiabatic curve is steeper than the isothermal curve.

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  12. Explain the difference between isobaric and isochoric processes.

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  13. Draw P-V diagrams to show (i) isobaric process and (ii) isochoric proc...

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  14. How will you find the change in internal energy of a system when it me...

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  15. On a phase diagram draw the fusion curve, vaporisation curve and subli...

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  16. A gas has more than one specific heats, whereas a liquid and solid hav...

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  17. The slope of a line in the standard (x,y) coordinate plane is 4. What ...

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  18. The temperature of an ideal gas is increased from 27^(@)C "to" 127^(@)...

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  19. Assertion : The efficiency of a heat engine can never be unity. Reas...

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  20. Draw a Carnot cycle and on the diagram mark the work done by the engin...

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