Question

Instructions The assignment is due on March 31 (Tue) at 3:30 PM. The exam must be taken in one sitting, the slotted time is 1 h 20 min. Timed Test This test has a time limit of 1 hour and 20 minutes. This tout will save and submit automatically when the time expires. Warnings appear when half the time, 5 minutes, 1 minute, and 30 seconds romain. Multiple Attempts Not allowed. This test can only be taken once. Force Completion This test can be saved and resumed at any point until time has expired. The time will continue to run if you leave the test. This test does not allow backtracking. Changes to the answer after submission are prohibited. Remaining Time: 40 minutes, 45 seconds. Question Completion Status: > Moving to the next question prevents changes to this answer Question 5 At a particular temperature, the equilibrium constant, ko for the following reaction is 0.250: Nelal+O ) - 2 NOG Mafias initially contains 0.630 M of N2 and 0.630 M of Oz, what is the concentration of NO at equilibrium? 1.0.126 M 2.0.872 M 3.2.06 M 4.0.252 M 5.0.135 M Moving to the next question prevents changes to this answer

Answer 1

| Ny + 22 NOK Kc = 0.250 = 0.250 (3 EDINO I 0.630 M 00630M O K - [no] re- [Na] Co, C 6.630-20) (0.630-70 +2X 0.250 = (2012 (@630-x) E 0-630 -0.126 0630-3•126 2(0-126) Applying Square root on both sides, E 0.5041 0.504M 0.2521 0.5 = 22 0,63-2) Equilibrium 0.315-0152 - 27 concentration of NÓ 2.50=0.315 is = 0.252M. 1x = 0+1267