Increasing the pressure (decreasing volume)

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Kassidy Tran 1E
Posts: 77
Joined: Fri Sep 28, 2018 12:15 am

Increasing the pressure (decreasing volume)

Postby Kassidy Tran 1E » Tue Jan 22, 2019 10:24 pm

When the volume is halved for a system at equilibrium that contains 1.85 M H2, 1.36 M N2, and 2.91e-3 M NH3 with an initial Kc at 9.83e-7, how can you determine the new concentrations for N2, H2, and NH3?

Gary Qiao 1D
Posts: 66
Joined: Fri Sep 28, 2018 12:26 am

Re: Increasing the pressure (decreasing volume)

Postby Gary Qiao 1D » Tue Jan 22, 2019 10:30 pm

The new concentrations can be determined by using PV = nRT. If V is halved, so P(V/2) = nRT, making P = (2n/V)RT, the concentrations are doubled, making the new concentrations to be 3.7 M H2, 2.72 M N2, and 5.82 x10^-3 M NH3.

Christina Chang 1C
Posts: 34
Joined: Thu May 10, 2018 3:00 am

Re: Increasing the pressure (decreasing volume)

Postby Christina Chang 1C » Tue Jan 22, 2019 10:31 pm

Since pressure would be increased I think you would just double the concentrations to account for the halved volume.


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