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8.1 Properties of Gases -- Part 3
The rib cage elastic, balloon-like structures contained within an air expands as it contracts.
The flexible floor of the cavity is formed by the rib muscles.
The process of taking a breath of air begins when the lungs contract and the rib cage expands.
The lung's elasticity allows it to expand.
When the volume of the lungs increases, the pressure in the lungs falls below the pressure of the atmosphere.
The lungs squeeze between the lungs and the environment because their volume decreases.
The volume and pressure of the lungs have changed.
A closed container holds a gas at a pressure of 2.0 atm.
The pressure goes up to 6.0 atm.
The pressure is still at 2.0 atm.
The pressure goes down to 0.40 atm.
If there is a pressure of 650mmHg and a volume of 220 mL of hydrogen gas, the air in the cylinder has a pressure of 220mmHg.
The air pressure in the tank is 1.20 atm.
A sample of oxygen has a pressure of 760 and a volume of 30.0 L.
There is a balloon.
A sample of Ar gas has a volume of 5.40 L. When the pressure is 3.62 atm, there is no change in temperature or amount of gas.
A sample of Ne gas has a pressure that is unknown.
The atmospheric pressure doesn't change even though the balloon is inside the house.
C3H6 is a general anesthetic.
The balloon is placed in a chamber that has a pressure of five atm.
What is the final volume in liters?
A closed container holds a gas with a volume of 4.0 L. A patient's oxygen tank holds 20.0 L of oxygen at a pres pressure when the volume changes at a certain time.
The volume is small.
The volume increases to 12 L.
The volume was compressed to 0.40 L.
The diaphragm moves up into the lung.
The lungs have higher pressure than the atmosphere.
When the pressure and amount of gas don't change, use the temperature-volume relationship to calculate the unknown temperature.
You are going to take a ride in a hot-air balloon.
The captain uses a propane burner to heat the air inside the balloon.
When the air is heated, it expands and becomes less dense than the air outside, which causes the balloon and its passengers to lift off.
Jacques Charles proposed in 1787 that the volume of a gas is related to the temperature.
Charles's law is that hot-air balloon gas expands when it is heated.
The amount of gas and pressure are not changed when the temperature is changed.
When the amount of gas does not change, the volume of the container must also decrease.
Laparoscopic surgery uses helium gas to inflate the abdomen.
A sample of gas has a volume of 5.40 L and a temperature of 15 degrees.
The given and needed quantities should be stated.
The temperature goes from 15 to 42 degrees.
The volume will increase if the temperature of the gas is Charles's law.
The gas law equation can be used to solve a mystery.
The temperature increases.
The table shows that the temperature has gone up.
The volume must increase because the temperature is related to it.
The ratio of the temperatures is greater than 1, which increases the volume as predicted.
The temperature of the air that a mountain climber inhales is -8 degC.
A volume of air is breathed into the lungs on a cold day, where the body temperature is 37 degrees.
The hot-air balloon's heater is turned off.
The amount of gas in a car on a hot day is the same as in a balloon filled with helium at the amusement park.
A sample of argon has a volume of 3.80 L.
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