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One kg of a diatomic gas is at pressure ...

One kg of a diatomic gas is at pressure of `8xx10^4N//m^2`. The density of the gas is `4kg//m^3`. What is the energy of the gas due to its thermal motion?

A

`3xx10^(4)J`

B

`5xx10^(4)J`

C

`6xx10^(4)J`

D

`7xx10^(4)J`

Text Solution

Verified by Experts

The correct Answer is:
B
Thermal energy correspods to internal energy
Mass=1kg, Density
`=4kgm^(-3)`
`rArr" " "Volume"=("mass")/("density")=(1)/(4)m^(3)`
pressure=`8xx10^(4)Nm^(-2)`
`therefore` Internal energy `=(5)/(2)PxxV=(5)/(2)xx(8xx10^(4))/(4)=50+10^(4)"Joule"`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-KINETIC THEORY OF GASES ANDRADIATION-Exercise 1
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  2. One mole of diatomic ideal gas undergoes a cyclic process ABC as show ...

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  3. One kg of a diatomic gas is at pressure of 8xx10^4N//m^2. The density ...

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  4. A sealed container with negiligible coefficient of volumetric expansio...

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  5. At what temperarture, the kinetic energy of a gas molecule is half of ...

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  6. Two perfect monoatomic gases at absolute temperature T(1) and T(2) are...

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  7. The kinetic energy of one mole gas at 300 K temperature , is E. at 400...

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  8. How much should the pressure be increased in order to decrease the vol...

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  9. For a gas the differce between the two specific heat is 4150 J//kg K. ...

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  10. A molecule of a gas has six degrees of freedom Then , the molar specif...

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  11. Which one of the following gases possesses the largest internal energy

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  12. Value of two principal specific heats of a gas ("in cal mol" K)^(-1) d...

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  13. Caluculate Change in internal energy when 5 moles of hydrogen is heate...

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  14. Each molecule of a gas has F degrees of freedom . The ratio (C(p))/(C(...

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  15. The adiabatic elasticity of hydrogen gas (gamma=1.4) at NTP

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  16. if quantity of heat 1163.4 J supplied to one mole of nitrogen gas , at...

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  17. using euipartion of energy, the specific heat (in Jkg^(-1)K^(-1))of a...

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  18. For a gas if ratio of specific heats at constant pressure and volume i...

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  19. One mole of an ideal monoatomic gas requires 207 J heat to raise the t...

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  20. Which of the given substances A B and C have more specific heat ?

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