A an ideal gas occupies a volume of 18 cm3 at 20degc and, Ask an Expert

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(a) An ideal gas occupies a volume of 1.8 cm3 at 20°C and atmosphericpressure. Determine the number of molecules of gas in the container.

molecules

(b) If the pressure is reduced to 1.010-11 Pa (an extremely good vacuum) while thetemperature remains constant, how many moles of gas remain in thecontainer?

mol

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