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A room is 6.8 m by 4.2 m by 3 m. (a) If the air pressure...

A room is 6.8 m by 4.2 m by 3 m.

(a) If the air pressure in the room is 1 atm and the temperature is 294 K, find the number of moles of air in the room

(b) If the temperature rises by 5 K and the pressure remains constant, how many moles of air leave the room?

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