Chemistry - Ideal Gas Question with Solution | TestHub
ChemistryIdeal GasProblems related with container/piston/SPMHard2 minQB
ChemistryHardsingle choice
A cylinder contains 9 kg of gas at 27° and 30 atm pressure. The gas leaks slowly, and after some time at -3° the pressure reads 18 atm. The mass of gas that leaked out is :-
Options:
Answer:
D
Solution:
Volume is constant, so is proportional to /.
Initial: 30/300 = 0.1. Final: 18/270 = 0.0667.
Fraction remaining = 0.0667/0.1 = 2/3, so the gas left = 6 kg.
Gas leaked = 9 - 6 = 3 kg.
Ignoring the temperature change and using only the pressures would give 3.6 kg, which is not an option.
Answer: (D).
Stream:JEESubject:ChemistryTopic:Ideal GasSubtopic:Problems related with container/piston/SPM
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