Questions
A vessel containing 0.1 of air at 76 cm of Hg is connected to an evacuated vessel of capacity 0.09 . The resultant air pressure is:
detailed solution
Correct option is C
Due to free expansion , temperature of the gas remains constant .At constant temperature P1V1 = P2V2 P2 = (V1V2)P1 = 0.1 m30.1+0.09×76 cm of Hg = 40 cm of HgTalk to our academic expert!
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Two vessels separately contain two ideal gases A and B at the same temperature, the pressure of B being twice that of A. under such conditions. The density of A is found to be one-third of the density of B. the ratio of molecular weight of A and B is
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