How to find the volume change of CO2 when compressed into liquid?

In summary, the conversation is about finding the liquid volume of CO2 when a gas of 4.14x10-6 m3 at -20°C and 1 bar is compressed to liquid at 25bar, without change in temperature. The person asking the question is seeking guidance and clarification on the topic, and someone suggests using a calculator or researching online for relevant properties. They also mention a resource for graduate level information on the subject.
  • #1
thejus
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TL;DR Summary
Can anyone guide me with an approach to find the liquid volume of CO2 when a gas of 4.14x10[SUP]-6[/SUP] m[SUP]3[/SUP] at -20°C and 1 bar is compressed to liquid at 25bar, without change in temperature?
Hi,

Can anyone guide me with an approach to find the liquid volume of CO2 when a gas of 4.14x10-6 m3 at -20°C and 1 bar is compressed to liquid at 25bar, without change in temperature?
 
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  • #2
Hi there
Welcome to PF :smile:

you have tagged your thread with an A, for post graduate level. Are you really there ?
If so, you must be well used to doing research ... what have you found so far online that
helps you with an answer ?

PS... is this really homework ?
 
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  • #3
Starting from an undergrad level of competence, Google was able to point to a calculator that yields the relevant properties. For grad level, see Span and Wagner, 1996, J. Phys. Chem. Ref. Data., 25, 1509-1596
 

1. How is the volume change of CO2 calculated when compressed into liquid?

The volume change of CO2 when compressed into liquid is calculated using the ideal gas law, which states that the volume of a gas is inversely proportional to its pressure when temperature and moles are constant. This means that as the pressure increases, the volume decreases and vice versa.

2. What is the formula for calculating the volume change of CO2 when compressed into liquid?

The formula for calculating the volume change of CO2 when compressed into liquid is V2 = V1 x P1/P2, where V2 is the final volume, V1 is the initial volume, P1 is the initial pressure, and P2 is the final pressure.

3. How does temperature affect the volume change of CO2 when compressed into liquid?

Temperature has a significant effect on the volume change of CO2 when compressed into liquid. As the temperature decreases, the volume of the gas decreases, and it becomes easier to compress it into a liquid state. This is because at lower temperatures, the particles in the gas have less kinetic energy, making them easier to condense.

4. What are the units of measurement used to express the volume change of CO2 when compressed into liquid?

The volume change of CO2 when compressed into liquid is typically expressed in units of liters (L) or cubic meters (m^3). However, it can also be expressed in other units such as milliliters (mL) or cubic centimeters (cm^3).

5. How is the volume change of CO2 when compressed into liquid used in real-world applications?

The volume change of CO2 when compressed into liquid is used in various industries such as food and beverage, pharmaceuticals, and refrigeration. In these industries, CO2 is often compressed into liquid form for storage and transportation, and the volume change is crucial in determining the amount of CO2 that can be stored in a given container or tank.

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