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18 Nov 2019

What is the final pressure in the container if 13.5 L of helium gas at 710. mm Hg is expanded to 29.0 L? Assume the temperature and the amount of gas are held constant.

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11 Sep 2019
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Related questions

question number 1.) A-H

1.)

A). What is the Kelvin temperature at which 0.400 L of a gas initially at 13.5°C and 430. mm Hg expands to 0.800 L and 900. mm Hg? Assume the amount of gas is held constant.B). What is the volume of 54.0 L of carbon dioxide gas at 27.5°C and 670. mm Hg if the conditions are adjusted to 845 mm Hg and 82.5°C? Assume the amount of gas is held constant. C). To what Celsius temperature must 66.0 mL of methane gas at 84.0°C be changed so the volume will be 40.0 mL? Assume the pressure and the amount of gas are held constant.D). What is the final volume of 395 mL of gas at 480.°C if the gas is cooled to 33.5°C? Assume the pressure and the amount of gas are held constant. E). What is the final pressure of 105 kPa of helium gas at 34.0°C if the gas is heated to 95.5°C? Assume the volume and the amount of gas are held constant. F). What is the final volume of 48.5 mL of helium gas at 700. mm Hg if the pressure is increased to 825 mm Hg? Assume the temperature and the amount of gas are held constant.G). To what Celsius temperature must 67.5 mL of krypton gas at 10.0°C be changed so the volume will triple? Assume the pressure and the amount of gas are held constant. Enter your answer to four significant figures. H). What is the final volume of 1.25 L of butane gas at 120.0°C if the gas is cooled to 37.7°C? Assume the pressure and the amount of gas are held constant.

The Henry's law constant for the solubility of helium gas in water is 3.8 x 10-4 M atm-1 at 25 oC.

(a) What is the value of the constant in terms of M mm Hg-1?

(b) If the partial pressure for helium at 25 oC is 293 mm Hg, what is the concentration of dissolved helium in mol L-1 at the same temperature?

(c) What volume of helium gas can be dissolved in 10.00 L of water at 293 mm Hg and 25 oC? (Ignore the partial pressure of water)

What is the Kelvin temperature at which 0.500 L of of a gas initially at 16.0°C and 590. mm Hg expands to 0.800 L and 880. mm Hg? Assume the amount of gas is held constant.

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