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Physics

Heat

Easy

Question

The value of universal gas constant is 8.3 J/ mole-K, The mean kinetic energy of 32gm of oxygen at -73°C will be

480J
4980J
2490J
100 J

The correct answer is: 4980J

$E equals 3 over 2 m over M R T$

Related Questions to study

If number of molecules of H₂ are double than that of O₂ , then ratio of kinetic energy of hydrogen to that of oxygen at 300 K is

If number of molecules of H₂ are double than that of O₂ , then ratio of kinetic energy of hydrogen to that of oxygen at 300 K is

At which of the following temperature would the molecules of a gas have twice the average kinetic energy they have at 20°C

At which of the following temperature would the molecules of a gas have twice the average kinetic energy they have at 20°C

Gas at a pressure P₀ is contained in a vessel. If the masses of all the molecules are halved and their speeds are doubled, the resulting pressure P will be equal to

Gas at a pressure P₀ is contained in a vessel. If the masses of all the molecules are halved and their speeds are doubled, the resulting pressure P will be equal to

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$If space at space temperature space straight T subscript 1 equals 1000 straight K space space the space wavelength space is space 1.4 cross times 10 to the power of negative 6 end exponent straight m comma space space then space at space what space temperature space the space space wavelength space will space be space 2.8 cross times 10 to the power of negative 6 end exponent straight m space space space$

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