Which of the following gases has the lowest average speed at 25? NH2NH2 C2H4 He N2

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Chemistry

Which of the following gases has the lowest average speed at25?

NH2NH2

C2H4

He

N2

Answer & Explanation Solved by verified expert
3.6 Ratings (391 Votes)
a Average speed of a gas molecule Vavg 8RTMFor all the gas molecules Ideal gas constant R and TemperatureT remains constant ie 25 C but molar mass of gas moleculesdifferHence average speed of gas molecule depends upon molar mass of agas molecule ie    See Answer
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