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A gas occupies 2.2L at 425 kPa. Determine its volume at standard pressure. The temperature does not change.
At room temperature (21°C), the pressure of carbon dioxide in an unopened soda can is 207kPa. Find the pressure of the carbon dioxide in the soda can if left in the trunk of a car on a hot summer day (72°).
A gas occupies 15.7L at 28°C and 658mmHg. At what temperature will it expand to 20.5L at a pressure of 595mmHg?
Find the volume occupied by 12.2g of argon gas at 23°C and 115kPa.
At what temperature will 5.0g of chlorine fill a 950mL flask at 125kPa?
What mass of hydrogen gas was collected in a eudiometer if the volume was 35.2mL, the temperature was 23°C and the pressure of the dry hydrogen was 94.2kPa?
A student blows up a balloon to a volume of 23.1L at 21.4°C. He then places the balloon in an ice water bath, where the temperature is 2.5°C. Find the new volume of the balloon.
A gas occupies 14.5L at 28°C and 450mmHg. Determine its volume at STP.
A student collects hydrogen over water at 23°C. The pressure in the room is 99.2kPa. The water vapor pressure at 23°C is 2.8kPa. Find the pressure of the dry hydrogen gas.
Which gas below would effuse at the fastest rate: – A. Hydrogen – B. Argon – C. Helium – D. Carbon monoxide
A sample of hydrogen and a sample of helium are both in 2.0L tanks at 24°C and 795mmHg. Which tank has more molecules?
They have the same number of molecules!
A sample of hydrogen and a sample of helium are both in 2.0L tanks at 24°C and 795mmHg. Which tank has is heavier?
A sample of hydrogen and a sample of helium are both in 2.0L tanks at 24°C and 795mmHg. Which gas has the higher average kinetic energy?
They have the same average kinetic energy
Find the density of nitrogen dioxide at STP.
Find the density of nitrogen dioxide at 25°C and 96kPa.
Find the molar mass of a gas if 12.2g of a gas occupies 2.44L at 94kPa and 24°C. The gas is a monoatomic element. Identify the gas.
131.3 g/mol Xe
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Gases Two More Laws Chapter 14. Dalton’s Law b The total pressure of a mixture of gases equals the sum of the partial pressures of the individual gases.
WARM UP 1.List 3 characteristics of gases indicated by Clerk-Maxwell’s kinetic- molecular theory.
Ch. 5 Gases!!!!!. Pressure conversions O Pressure – force per unit area O Can be measured in atm, mmHg, torr, kPa, psi O 1atm =760mmHg = 760torr = 101.3kPa=
Ideal Gas Law. What is the Ideal Gas Law? An ideal gas is defined as one in which all collisions between atoms or molecules are perfectly elastic and.
Combined Gas Law When the three different laws just discussed are analyzed, what would they be if they are all combined? PV = k1 V/T=k2 P/T = k3.
The Chemistry of Gases.
Molar Volume. Avagadro’s Principle Equal volumes of gases contain equal numbers of molecules Volume of a gas varies directly with the number of molecules.
Avagadro’s Law Q – What can you tell me about gases?
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Gas Team Review Game. ?1 List all 5 parts of the Kinetic Molecular Theory. List all 5 parts of the Kinetic Molecular Theory.
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Gases Review. Pressure Conversions kPa = ________atm.
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Properties of Gases Expand to completely fill their container
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No definite shape ◦ It fills its container Compressible ◦ With increases in pressure Low Density ◦ Molecules are far apart ◦ Intermolecular forces.
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