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One cubic metre of air at 27^(@)C and 10...

One cubic metre of air at `27^(@)C` and `10^(5)Nm^(-2)` pressure weighs `1.18kg`. Calculate the value of the gas constant for `1kg` of the gas and calculate `c_(p)` of air if `168 cal kg^(-1)K^(-1)` and `J=4.2Jcal^(-1)`

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The correct Answer is:
282.5 J `Kg^(-1) K^(-1)`, 235.3 cal `kg^(-1)K^(-1)`
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PHYSICS GALAXY - ASHISH ARORA-THERMODYNAMICS LAWS & SPECIFIC HEATS OF GASES -Unsolved Numerical Problems
  1. A gas at 20^@C and atmospheric pressure is compressed to a volume one-...

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  2. A closed vessel 10L in volume contains a diatomic gas under a pressure...

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  3. One cubic metre of air at 27^(@)C and 10^(5)Nm^(-2) pressure weighs 1....

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  4. As a result of heating a mole of an ideal gas at constant pressure by ...

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  5. A gas at constant pressure P1, volume V1 and temperture T1 is suddenl...

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  6. A cubic metre of dry air at NTP is allowed to expand to 5 cubic metres...

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  7. A thermally insulated vessel with gaseous nitrogen at a temperature of...

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  8. As a result of the isobaric heating by DeltaT=72 K one mole of a cert...

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  9. What amount of heat is to be transferred to nitrogen in an isobaric he...

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  10. Five moles of neon gas (molecular weight=20) at 2 atm and 27^@C is adi...

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  11. Calculate the change in temperature when a gas (gamma= 1.4) is suddenl...

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  12. One mole of oxygen being initially at a temperature T0 = 290 K is adia...

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  13. One mole of oxygen being initially at a temperature T0 = 290 K is adia...

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  14. Find the ratio of number of moles of a monoatomic and a diatomic gas w...

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  15. A gas is enclosed in a cylindrical vessel fitted with a frictionless p...

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  16. One cubic metre of hydrogen at 0^(@)C and 76cm and of Hg weighs 0.0896...

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  17. A gass of given mass at a pressure of 10^(5)Nm^(-2) expands isothermal...

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  18. A vessel containing one gram-mole of oxygen is enclosed in a thermally...

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  19. An ideal gas with the adiabatic exponent gamma undergoes a process in ...

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  20. An ideal gas with the adiabatic exponent gamma undergoes a process in ...

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