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A gas that behaves as randomly moving, non-interacting molecules. This allows a simplified equation of state.

2 votes
3 answers
3k views

The effect of surface area on the pressure exerted by gases

In a video about the relation between pressure and volume on Khanacademy, Sal says that on increase in volume the particles hit the wall less often because the volume has increased and the surface are …
oshhh's user avatar
  • 997
-2 votes
5 answers
20k views

Pressure exerted by a gas and the ideal gas equation

While determining the pressure exerted by any gas at a temperature why do we not consider the surface area of the container in which it is kept? Pressure depends on the force exerted by the gas on the …
oshhh's user avatar
  • 997
-1 votes
2 answers
773 views

Motion of molecules of an ideal gas

Why does an ideal gas show only translatory motion and not vibratory motion?
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1 vote
2 answers
1k views

Compressibility factor and deviation from ideal gas behaviour

I have recently started to study the deviation of ideal gas behavior. The source from which I am reading doesn't give me an intuitive understanding of the compressibility factor. I dont understand how …
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  • 997
0 votes

Pressure exerted by a gas and the ideal gas equation

I was taking force exerted by the gas molecules on the walls of the container to be constant. After studying thermodynamics this got cleared. The total force exerted by the gas on the container change …
oshhh's user avatar
  • 997
3 votes

When gas from a cooking gas cylinder is used, the pressure does not fall appreciably until t...

As Frotaur hinted in the comment, the gas cylinder contains liquified petroleum gas, which is in equilibrium with its vapour phase. Whenever some gas is removed from the system, the liquid-gas equilib …
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  • 997
5 votes
2 answers
2k views

When gas from a cooking gas cylinder is used, the pressure does not fall appreciably until t...

When gas from a cooking gas cylinder is used, the pressure does not fall appreciably until the last few minutes. Why? This was a question in one of my reference books and I couldn't answer i …
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  • 997