A balloon filled with helium gas at 20 deg. C occupies 2.91 L at 1.00 atm. The balloon is immersed in liquid nitrogen at -196 deg. C, raising the pressure to 5.20 atm. What is the volume of the balloon in the liquid nitrogen?
An "empty" aerosol can at 25 deg. C still contains gas at 1.00 atmosphere pressure. If an "empty" can is thrown into a 475 deg. C fire, what is the final pressure in the heated can?
How do you work these two problems?
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