When can ideal gas law be used as an approximation?


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406011420 Dis 1C
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Joined: Fri Sep 29, 2023 10:43 am

When can ideal gas law be used as an approximation?

Postby 406011420 Dis 1C » Sat Mar 16, 2024 7:06 pm

When going over the bullet points of the outlines, I was a little confused on the first bullet point of Outline 1 on Chemical Equilibrium. It states "Identify reactions where the ideal gas law can be used as an approximation." What exactly does this mean? Is it just talking about that it needs to be in standard conditions?

Ryan Mostafavi 1C
Posts: 67
Joined: Tue Nov 14, 2023 8:58 am

Re: When can ideal gas law be used as an approximation?

Postby Ryan Mostafavi 1C » Sat Mar 16, 2024 7:07 pm

Ideal gas laws are most accurate under low pressure and high temperature.

Sarah Egan 3A
Posts: 42
Joined: Mon Jan 03, 2022 9:11 am

Re: When can ideal gas law be used as an approximation?

Postby Sarah Egan 3A » Sun Mar 17, 2024 12:04 am

The ideal gas law is good for reactions where there is low pressure (because the molecules are far apart, and intermolecular interactions are low), high temperature (the molecules move fast, making weak intermolecular interactions), or with non reactive gasses.

105717435
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Joined: Fri Sep 29, 2023 11:57 am

Re: When can ideal gas law be used as an approximation?

Postby 105717435 » Sun Mar 17, 2024 11:27 pm

The ideal gas law can be used as an approximation for reactions involving gases under conditions of low pressure and high temperature, where gas molecules behave similarly to an ideal gas.


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