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Q: Is an alpha particle considered a gas molecule?

AVS A closed vessel with rigid walls contains 1 mol of $_{92}\ce{U}^{238}$ and 1 mol of air at 298K. Considering complete decay of uranium to $_{82}\ce{Pb}^{206}$, the ratio of final pressure to initial pressure of system at 298K is? ‚ÄčThe solution of this question is that during this decay, 8 moles...

 

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