Ideal Gas Law & Combined Gas Law Problem

AI Thread Summary
The discussion revolves around a problem involving the Ideal Gas Law and Combined Gas Law, where a helium balloon rises from 1.00 atm to 0.900 atm while maintaining an initial volume of 2000 m^3 and a temperature of 15.0 C. Participants express confusion about calculating the new volume and temperature at the higher altitude, noting the lack of heat exchange suggests an adiabatic process. The key equations mentioned are the ideal gas equation and the combined gas law, which relate pressure, volume, and temperature. The challenge lies in determining one variable to solve for the others, given the rapid ascent. Ultimately, understanding the principles of adiabatic processes is crucial for solving the problem.
Ginerva123
Messages
13
Reaction score
0
[SOLVED] Gas laws

Homework Statement



A balloon containing 2000m^3 of helium gas at 1.00atm and a temperature of 15.0 C rises from ground level to an altitude at which the atmospheric pressure is only 0.900atm. Assume the helium behaves like an ideal gas and the balloon's ascent is too rapid to permit much heat exchange with the surrounding air. Calculate both the volume and the temperature of the gas at the higher altitude.


Homework Equations



Ideal gas equation; combined gas law.


The Attempt at a Solution



Not really sure how to procede... If I had the new temperature, i could find the new volume, and vice versa, but without either, I'm stuck. Also, if there is little heat exchange with the surrounding air, how does the temperature change?
 
Physics news on Phys.org
You know that the process is adiabatic, you also know the initial and final pressures. :wink:
 
Thread 'Collision of a bullet on a rod-string system: query'

Thread 'Collision of a bullet on a rod-string system: query'

In this question, I have a question. I am NOT trying to solve it, but it is just a conceptual question. Consider the point on the rod, which connects the string and the rod. My question: just before and after the collision, is ANGULAR momentum CONSERVED about this point? Lets call the point which connects the string and rod as P. Why am I asking this? : it is clear from the scenario that the point of concern, which connects the string and the rod, moves in a circular path due to the string...
View full post »
Thread 'A cylinder connected to a hanged mass'

Thread 'A cylinder connected to a hanged mass'

Let's declare that for the cylinder, mass = M = 10 kg Radius = R = 4 m For the wall and the floor, Friction coeff = ##\mu## = 0.5 For the hanging mass, mass = m = 11 kg First, we divide the force according to their respective plane (x and y thing, correct me if I'm wrong) and according to which, cylinder or the hanging mass, they're working on. Force on the hanging mass $$mg - T = ma$$ Force(Cylinder) on y $$N_f + f_w - Mg = 0$$ Force(Cylinder) on x $$T + f_f - N_w = Ma$$ There's also...
View full post »

Similar threads

What would be a real-life example of the ideal gas law?
Replies
3
Views
9K
Ideal Gas Law and Pressure at 80°C
Replies
2
Views
3K
Is the Ideal Gas Law Valid for Balloon Problems?
Replies
5
Views
2K
Mixing two ideal gases with different V, T at constant pressure
Replies
16
Views
3K
Do Different Volumes of Helium Affect Molecular Speed in Balloons?
Replies
24
Views
3K
Trouble solving for end state of two control volumes in a rigid tank
Replies
12
Views
2K
What Happens When Gas Expands at Constant Pressure?
Replies
12
Views
6K
Ideal Gas Law -- Isobaric Epansion followed by....
Replies
9
Views
2K
Why Might Statement (b) Be Incorrect in Ideal Gas Processes?
Replies
2
Views
2K
Ideal Gas Law in "alternate" universe
Replies
4
Views
3K

Hot Threads

Recent Insights

Back
Top