A bubble occupies volume V1 at the bottom of a pond at 20∘C and 1.5 atm pressure. When it comes at the surface, it observes a pressure of 1 atm at 25∘C and occupies volume V2. Find (V2V1)
A
15.3
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B
0.153
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C
153
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D
1.53
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Solution
The correct option is D 1.53 Given P1 = 1.5 atm T1 = 20∘C = 293 K P2 = 1 atm, T2 = 25∘C = 298 K
From, ideal gas equation, P1V1T1=P2V2T2 V2V1=P1T2P2T1 =1.5×2981×293=1.53