The average speeds of gas molecules in. cylinders a, b,c, d are 0.01 m/s, 0.005m/s ,0.1 m/s and 0.5 m/s, respectively .which cylinder contains gas that is closest to. absolute. zero

The average speed of the gas is related to the kinetic energy of the gas.  The kinetic energy of the gas is also related to the temperature of the gas. If the average speed of the gas is closer to zero, it means that it has very low motion or kinetic energy. This can be inferred that the gas has a very low temperature. At absolute zero, the motion of all the gas molecules stops. This means that the kinetic energy of the gas is also zero. Zero kinetic energy means zero average speed. So, the answer is cylinder B. The average speed of the gas in cylinder B is closest to zero.

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