combined gas law worksheet.docx - Name Combined Gas Law...

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Name: Combined Gas Law Worksheet P 1 V 1 = P 2 V 2 or P 1 V 1 T 2 = P 2 V 2 T 1 T 1 T 2 1. Helium in a 100 mL container at a pressure of 66.6 kPa is transferred to a container with a volume of 250 mL. What is the new pressure if no change in temperature occurs? What is the new pressure if the temperature changes from 210 o K to 151 o K? 2. What will have to happen to the temperature of a sample of methane if 1000 mL at 98.6 kPa and 25 o C is given a pressure of 108.5 kPa and a volume of 900 mL? 3. A gas has a volume of 225 mL at 75 o C and 175 kPa. What will be its volume at a temperature of 20 o C and a pressure of 1.0 X 10 5 kPa? 4. A gas is heated to 180 o K and a pressure of 180 kPa. If the container expands to hold a volume of 800 mL, what was the volume of the gas, (in litres), at a temperature of 520 o K and 120 kPa pressure? 5. A 200 mL sample of gas is collected at 50 kPa and a temperature of 271 o K. What volume would this gas occupy at 100 kPa and a temperautre of 14 o K?
6. Find the new volumes at STP (273 K and 101.3 kPa) (a) 24.6 L at 25 o C and 10 atm (b) 150000 mm

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