Question 27

A closed vessel with rigid walls contains 1 mol of $$_{92}^{238}U$$ and 1 mol of air at 298 K. Considering complete decay of $$_{92}^{238}U$$ to $$_{82}^{206}Pb,$$ the ratio of the final pressure to the initial pressure of the system at 298 K is

Correct Answer: 9

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