At what temperature, the rms speed of gas molecules I half the value at NTP?
The specific heat of a gas in isothermal process is |
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The r.m.s. speed of the molecules of a gas in a vessel is 200 m/s. if 25% of the gas leaks out of the vessel, at constant temperature, then the r.m.s. speed of the remaining molecules will be |
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For hydrogen gas CP – CV = a, and for oxygen gas CP – CV = b, so that relation between a and b given by |
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Which of the statement is true |
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Average kinetic energy of molecules is |
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The difference between the principal specific heats of nitrogen is 300 J/kg-K and ratio of the two specific heats is 1.4 then |
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Energy supplied to convert unit mass of substance from solid to liquid state at its melting point is called |
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The temperature at which the r.m.s. velocity of H2 becomes escape velocity from the earth is, |
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A molecule of mass m moving with a velocity v makes 5 elastic collisions with a wall of the container per second. The change in its momentum per second will be |
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The temperature of a gas is –68°C. to what temperature should it be heated, so that the r.m.s. velocity of the molecules be doubled? |
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