Asked by Amy

In a certain experiment, 1.000 mole of N2 (g) and 1.000 mole of H2 were allowed to react at 500°C in a 1.000-liter flask. The relevant reaction was as follows: N2 (g) + 3H2 (g) -> 2NH3 (g)
After the system reached equilibrium, the flask was found to contain 0.921 mole of N2 (g). Calculate the equilibrium concentrations of H2(g) and NH3(g).

Answers

Answered by DrBob222
Initial (N2) = 1 mo/L
Initial (H2) = 1 mol/L
........................N2 (g) + 3H2 (g) -> 2NH3 (g)
I.....................1.0............1.0................0
Change...........-x.............-3x..............2x
equil...............0.921..............................
change for N2 must be 1.000 - 0.921= 0.079 = x
Then 3x must be 3*0.079 = 0.237 and 1 - 3x will be ?
and 2x must be 2*0.079 = 0.158 and 0 + 2x will be ?
Post your work if you get stuck.
Answered by Amy
Okay, thank you! That makes sense now.
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