Question
1. The lowest pressure ever obtained in a laboratory setting is 4.010^-11 Pa. At this pressure, how many molecules of air would there be in
1. The lowest pressure ever obtained in a laboratory setting is 4.010^-11 Pa. At this pressure, how many molecules of air would there be in a 50 Cexperimental chamber with a volume of 0.040 m3? Please give the answer in molecules.
2. A college student is working on her physics homework in her dorm room. Her room contains a total of 6.010^26 gas molecules. As she works, her body is converting chemical energy into thermal energy at a rate of 125 W. If her dorm room were an isolated system (dorm rooms can certainly feel like that) and if all of this thermal energy were transferred to the air in the room, by how much would the temperature increase in 14 minmin? Use the ideal gas model. Please give the answer in celsius.
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