Exam 8: Gases

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A gas has a volume of 45.0 L and a pressure of 540.mmHg when the temperature is 27 °C.What is the volume when the pressure changes to 800.mmHg with a temperature of -65 °C,if there is no change in the amount of gas?

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What temperature scale is used in gas law calculations?

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Which of the following is not a potential use for a hyperbaric chamber?

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The gas with an initial volume of 24.0 L at a pressure of 565 torr is compressed until the volume is 16.0 L.What is the final pressure of the gas,assuming the temperature and amount of gas does not change?

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A gas at 5.00 atm pressure was stored in a tank during the winter at 5.0 °C.During the summer,the temperature in the storage area reached 40.0 °C.What was the pressure in the gas tank in the summer,if the volume and amount of gas do not change?

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A gas has a volume of 36.0 L and a pressure of 750.torr when the temperature is 10.°C.What is the pressure if the volume changes to 15.0 L and the temperature changes to 78 °C,if the amount of gas stays the same?

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The kinetic energy of a gas sample is directly proportional to the Kelvin temperature of the gas.

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At STP,how many moles of helium would occupy 1.00 L?

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A tank contains helium gas at 490 mmHg,nitrogen gas at 0.75 atm,and neon at 520 torr.What is the total pressure in atm?

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One atmosphere is the same pressure as ________ mmHg.

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The temperature of a 500.mL sample of gas increases from 150.K to 350.K.What is the final volume of the sample of gas,if the pressure and amount of gas in the container is kept constant?

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A cyclopropane-oxygen mixture is used as an anesthetic.If the partial pressure of cyclopropane in the mixture is 330 mmHg and the partial pressure of the oxygen is 1.0 atm,what is the total pressure of the mixture in torr?

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At STP conditions,11 g of SO2 have a volume of ________.

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A diver exhales a bubble with a volume of 250 mL at a pressure of 2.4 atm and a temperature of 15 °C.What is the volume of the bubble when it reaches the surface where the pressure is 1.0 atm and the temperature is 27 °C,if the amount of gas does not change?

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The unit of 1 atmosphere used to describe the pressure of a gas is equal to ________.

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1 mole of a gas occupies 22.4 L at ________.

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