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Author Archives: Anonymous

Which statement is inconsistent with the kinetic theory of a…

Which statement is inconsistent with the kinetic theory of an ideal gas?

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Zinc metal is added to hydrochloric acid to generate hydroge…

Zinc metal is added to hydrochloric acid to generate hydrogen gas, which is collected over a liquid whose vapor pressure is the same as pure water at 20.0°C (18 torr). The volume of the gas mixture is 1.7 L and its total pressure is 0.810 atm.Determine the number of moles of hydrogen gas present in the sample.

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For the elements Cs, F, and Cl, the order of increasing elec…

For the elements Cs, F, and Cl, the order of increasing electronegativity is:

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Four identical 1.0-L flasks contain the gases He, Cl2, CH4,…

Four identical 1.0-L flasks contain the gases He, Cl2, CH4, and NH3, each at 0°C and 1 atm pressure.Which gas has the highest density?

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A 3.54 gram sample of a certain diatomic gas occupies a volu…

A 3.54 gram sample of a certain diatomic gas occupies a volume of 3.30-L at 1.00 atm and a temperature of 45°C. Identify this gas.

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A gas sample is heated from -20.0°C to 57.0°C and the volume…

A gas sample is heated from -20.0°C to 57.0°C and the volume is increased from 2.00 L to 4.50 L. If the initial pressure is 0.140 atm, what is the final pressure?

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A vessel with a volume of 26.9 L contains 2.80 g of nitrogen…

A vessel with a volume of 26.9 L contains 2.80 g of nitrogen gas, 0.605 g of hydrogen gas, and 79.9 g of argon gas. At 25°C, what is the pressure in the vessel?

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Given the following Lewis structure:How many electrons are s…

Given the following Lewis structure:How many electrons are shared between carbons 1 and 2?

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A 7.94-g piece of solid CO2 (dry ice) is allowed to sublime…

A 7.94-g piece of solid CO2 (dry ice) is allowed to sublime in a balloon. The final volume of the balloon is 1.00 L at 301 K. What is the pressure of the gas?

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Which of the following is included as a postulate in the kin…

Which of the following is included as a postulate in the kinetic molecular theory of an ideal gas?

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