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1 vote
1 answer
170 views

How can we take pressure of ideal gas be equal to pressure of atmosphere if container is open

I can better put my doubt in form of problem: The temperature of a gas placed in an open container is raised from $27^o$ C to $227^o$ C. The percent of the original amount of the gas expelled from the ...
Prateek Mourya's user avatar
0 votes
1 answer
74 views

What's the difference between dP<0 and dP>0?

Assume a situation shown in the image1 below. The column is filled with gas. The number density is denoted as $n$, and the mass of each particle is $m$. Take the axis downward. By considering the ...
ynn's user avatar
  • 433
1 vote
0 answers
88 views

If air was significantly compressed, and then the force compressing it suddenly disappeared (no container), what would happen?

Question: If air was significantly compressed, and then the force compressing it suddenly disappeared (no container), what would happen? Side Question: I'm imagining significantly compressed, but ...
user45233's user avatar