Tagged Questions
0
votes
0answers
26 views
What is the ration of volume to lift helium? [closed]
I've been searching for a usable direct conversion, but most of what I've found used a lot of rounding. What is the exact formula?
1
vote
1answer
621 views
Calculate mass of air in a tyre from pressure
How can one calculate the mass of air inside a tyre, given a particular tyre size; a pressure, in $kPa = \frac{1000kg}{m\cdot s^2}$; and assuming room temperature, and normal air composition? I can't ...
2
votes
4answers
6k views
Why are volume and pressure inversely proportional to each other?
It makes sense, that if you have a balloon and press it down with your hands, the volume will decrease and the pressure will increase. This confirms Boyle's Law, $ pV=k=nRT $.
But what if the ...
