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Estimate the average thermal energy of h...

Estimate the average thermal energy of helium atom at (i) the temperature on the surface of the sun 6000K (ii) the temperature of 10 million Kelvin (typical core temperature in case of star).

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The correct Answer is:
`2.07 times 10^-16`
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CHHAYA PUBLICATION-KINETIC THEORY OF GASES-EXERCISE ( Problem set -I)
  1. In a hydrogen filled balloon, the pressure of the gas is 11/2times the...

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  2. The velocities of four molecules are 1km.s^-1,3km.s^-1,5 km.s^-1 and 7...

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  3. IF the density of nitrogen at STP is 1.25 g.L^-1, determine the rms sp...

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  4. IF the rms speed of oxygen at STP is 4.6 times 10^4 cm.s^-1 What will ...

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  5. Determine the rms speed of gas molecules at 27^@C [R=8.3 times 10^7 er...

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  6. Determine the rms speed of air at STP Density of mercury =13.6 g.cm^-3...

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  7. Determine the rms speed of carbon dioxide molecules at 0^@C Universal ...

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  8. The temperature of a gas is increased from 77^@C to 277^@C . What will...

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  9. At which temperature will the value of root mean square speed of molec...

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  10. Find the temperature at which the value of rms speed of hydrogen molec...

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  11. Estimate the average thermal energy of helium atom at (i) the temperat...

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  12. Calculate the molecular kinetic energy of 1 g helium gas at 127^@C Mol...

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  13. Calculate the temperature at which the average translational kinetic e...

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  14. IF the rms sped of hydrogen molecules is 1.84 km.s^-1 at STP, what wil...

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  15. If the density and rms speed of a gas are 1.25 times 10^-3 g.cm^-3 and...

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  16. Calculate the rms speed of oxygen gas molecule at 300 K.

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  17. The temperature of an ideal gas is increased from 120K to 480 K. IF a...

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  18. Determine the average energy of a gas molecule at 3940 K. R=8.31 times...

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  19. Mean free path of benzene molecule is 2.2 times 10^-6 cm and number of...

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  20. An air bubble of volume 1.0 cm^3 rises from the bottom of a lake 40 m ...

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