kinetic theory and a model for gases
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Kinetic Theory and a Model for Gases. Particles of gases are small and have insignificant volume. Particles move rapidly and randomly. All collisions are perfectly elastic. What is the pressure (in mmHg) if a 3.0 L sample at 860 mmHg is reduced to a volume of 0.50 L?. - PowerPoint PPT PresentationTRANSCRIPT
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Kinetic Theory and a Model for Gases
• Particles of gases are small and have insignificant volume.
• Particles move rapidly and randomly.
• All collisions are perfectly elastic.
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What is the pressure (in mmHg) if a 3.0 L sample at 860 mmHg is
reduced to a volume of 0.50 L?
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A 2.0 L balloon at 21.0 oC is taken outside on a cold
-12.0 oC day. What would be the volume of the balloon?
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What is the pressure (in kpa) in an aerosol can at 70.0 oC if its initial
pressure and temperature was 206 kpa and 30.0oC respectively?
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A gas occupies 200.0 ml at a pressure of 198.4 kPa and a temp. of 19.0 degrees Celsius. The next
day, it was measured at a pressure of 110.3 kPa and a temp. of 11.0
degrees Celsius. What is the new volume?
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How many moles of Argon gas are in a 34.0 liter sample at 1.4 atm
and -45.9oC?
(R = 0.0821 L x atm/mol x K)
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At what temperature (in K) will 356 grams of sulfur dioxide occupy 145.0 L at 895 torr?
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3.876 grams of potassium sulfate is decomposed. What is the volume of the gas phase product if
the temperature is 298 K and the pressure is 2.96 atm?
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Calculate the volume of gas that would be generated by reacting
100.0 grams of aluminum carbonate with excess HCl under
lab conditions of 22.0oC and 790mmHg.
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“Pig Dirt”What is the GFM of a gas at 0.90
atm and 299 K if its density is 9.5 x 10-2 g/L
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A gas has a volume of 28.2 dm3 at a temp. of 38.0 oC and a pressure of 72.6 kPa. Given that the mass
of this sample is 45.00 grams, what is the GFM?
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. The decomposition of a sample of potassium chlorate generates
3.1 liters of oxygen gas at a pressure of 2.9 atm and a
temperature of 309 K. How many grams of oxygen was produced?
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A mixture of helium, oxygen and nitrogen gases have a pressure of
760 mmHg. If the partial pressure of helium is 31 mmHg and the
partial pressure of oxygen is 467 mmHg, what is the partial pressure
of nitrogen?
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A sealed 5.00 L container with helium gas in it exerts a pressure
of 1.23 atm. What will this pressure be if 0.35 moles of
oxygen is added to this container (The temperature is 285 K.)?
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A 2.00 L volume of chlorine gas, at a pressure of 45 kPa is mixed
together with a sample of CO2 gas with a volume of 1.20 L and a
pressure of 202.6 kPa. The new container has a volume of 7.00 L.
Find the partial pressure of each gas in the new container, and find
the total pressure.
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Compare the rates of effusion of chlorine and Helium gases.
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Compare the rates of effusion of hydrogen gas and radon gas