How Do Multiple Gases Affect Pressure When Compressed into a Liquid?

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In summary, the air we breathe is primarily made up of nitrogen and oxygen, with small traces of other chemicals. If we were to compress this air in a container, the pressure would eventually stop increasing as the gas turns into a liquid. However, none of the chemicals in the air can be condensed at 20 degrees Celsius due to being above their critical pressures.
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aarothepharo
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As we all know, the air we breath is made up of appox... 78% Nitrogen ... 21% Oxygen ... and then traces of other random things.

Lets consider that only the oxygen and nitrogen exist so that we neglect the other chemical traces.

If I were to fire up a compressor that pumps outside air into a container. we raise the pressure of the container until eventually the pressure stops to increase because the gas starts to form a liquid. But how does there being two chemicals effect the pressure of the tank. does one of the chemicals start to become a liquid but the vapor pressure of the tank continue to rise until the next chemical can become a liquid?

Out of all of the chemicals considered to be in the air (Nitrogen, Oxygen, Neon, Argon, CO2...etc.) What will become a liquid first at 20 degrees celcius?
 
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None of them. They are all above their critical pressures and can't be condensed at 20 C no matter how much pressure is applied.
 

FAQ: How Do Multiple Gases Affect Pressure When Compressed into a Liquid?

1. What are the laws of temperature and pressure?

The laws of temperature and pressure are fundamental principles in physics that describe how the temperature and pressure of a gas are related. These laws, known as Boyle's law, Charles's law, and Gay-Lussac's law, explain the behavior of gases under different conditions.

2. What is Boyle's law?

Boyle's law states that the volume of a gas is inversely proportional to its pressure, assuming that the temperature remains constant. This means that as the pressure of a gas increases, its volume decreases, and vice versa.

3. How does Charles's law relate to temperature and pressure?

Charles's law states that, at a constant pressure, the volume of a gas is directly proportional to its temperature. This means that as the temperature of a gas increases, its volume also increases, and vice versa.

4. What is Gay-Lussac's law?

Gay-Lussac's law states that, at a constant volume, the pressure of a gas is directly proportional to its temperature. This means that as the temperature of a gas increases, its pressure also increases, and vice versa.

5. How are the laws of temperature and pressure used in real-world applications?

The laws of temperature and pressure have many practical applications, such as in the design of gas-powered engines, refrigeration systems, and weather forecasting. These laws also help scientists understand and predict the behavior of gases in various environments.

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