How many moles of is present at NTP if the gas occupies ?
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How many moles of gas occupies 5.20 L at -23.0ºC and 0.500 atm?
A balloon containing 3.75 moles of ideal gas occupies 24.5 L volume. Addition of gas into the balloon caused the volume to expand to 42.0 L. How many moles of gas are added?
A gas mixture is made by combining 7.6 g each of Ar, Ne, and anunknown diatomic gas. At STP, the mixture occupies a volume of18.77 L.