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Grade: 12

                        

Which of the following molecule has the lowest average speed at 273K? A) CO B) CH4 C) CO2 D) C2H6

Which of the following molecule has the lowest average speed at 273K? 
A) CO
B) CH4
C) CO2
D) C2H6

2 years ago

Answers : (1)

Indranil Dutta
13 Points
							
vAvg =√(8RT/πM)
So vavg is inversely proportional to molecular weight of the atom. As CO2 has the highest molecular weight it will have lowest average speed.
2 years ago
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