Questions
Two gases are at absolute temperatures 300 K and 350 K respectively. The ratio of average kinetic energy of their molecules is
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a
6 : 7
b
36 : 49
c
7 : 6
d
343 : 216
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Correct option is A
From the relation,KE¯=32kT⇒KE)¯1(KE¯)2=T1T2Given:T1=300K,T2=350K⇒(KE)¯1(KE¯)2=300350=67Similar Questions
A jar has a mixture of hydrogen and oxygen gas in the ratio of 1 : 5. The ratio of mean kinetic energies of hydrogen and oxygen molecules is
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