A 1.00-mole sample of dry ice (solid CO2) is sealed inside a plastic bag and allowed to sublime. After all the CO2 has changed from solid to gas, what will be the volume of gas inside the bag at 14°C and 0.763 atm?
PV = nRT
(0.763 atm) ( V) = 1 mol (0.08206 L-atm/mol-K)(287K)
V = 30.87 litres
Or by rounding off, we get
V = 31 liters
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