Question

The molecular weight of oxygen gas (O2) is 32 while that of hydrogen gas is 2. prove that under the same physical conditions ,the velocity of sound in hydrogen is four times that in oxygen.​

Answer 1

Answer:

Speed of sound = √(Gamma)(RT/M)

Gamma is same for both as both are diatomic , R is const. and also temp. is same for both so

Speed is directly proportional to √(1/M) where M is molar mass

Molar mass of H2 = 2

Molar mass of O2 = 32

V(H2)/V(O2) = √(32/2) = 4

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Answer 2

Answer