EXSET_8 - Swieter; p 1 of 2 CHM1040 Question Set #8...

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Swieter; p 1 of 2 X:\~Natsci\ADJUNCT\bhaskar\pdf\1041\EXSET#8.DOC CHM1040 Question Set #8 QUESTIONS ABOUT GASES 1. Convert the following to the indicated units. a. 543 torr to atm b. 1.75 atm to mm Hg (torr) c. 43.2 L to mL d . 1.004 g/mL to g/L e. 20 0 C to K f. 100 K to 0 C 2. To convert a pressure reading in mm Hg taken at sea level at the north pole in January to torr, would you add or subtract? Explain. 3. A sample of H 2 gas occupies a volume of 1.18 L at 760 torr. a. What volume will the gas occupy at 800 torr? b. What volume will it occupy at 0.526 atm? c . What is the pressure if the volume is doubled? 4. A sample of He gas occupies a volume of 100 mL at -23 &C. a. What is the volume if the temperature is increased to 60 &C? b. At what temperature in Celsius will the sample volume be 154 mL? c . What is the volume if the temperature is doubled? 5. A 0.250 mol sample of Ar occupies a volume of 400 mL. a. What volume will 1.25 mol occupy?
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EXSET_8 - Swieter; p 1 of 2 CHM1040 Question Set #8...

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