an evacuate the concentrations of H2 and I, are both 2.0 M and that of HI equals 8.0 M. H2(g) + 2(g) 2 HI(g) (At 425°C, K = 9.00) 8. Determine the value of O. (A) 2.0 (B) 4.0 (C) 8.0 (D) 16 9. The reaction vessel is heated to 675°C, where the equilibrium concentration of the HI is determined to be 6.0 M. What is the K value at 675°C? (A) 6.0 (B) 9.0 (C) 24 (D) 36

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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We are stuck on 9.  We get how Q is 16 and rxn goes left.  

at eq

2+ x.    2 + x.    -2 x

We get x= 1.    Therefore 

k = 4.  Please help us.  

Questin 9.  See conditions from 8

This is not a graded question as it is a practice question . I am 60 years old and helping my son prepare for the AP exam in a few months. We do questions at the back of the textbook by Zumdahl and Zumdahl

 

an evacuate
the concentrations of H2 and I, are both
2.0 M and that of HI equals 8.0 M.
H2(g) + 2(g) 2 HI(g)
(At 425°C, K = 9.00)
8. Determine the value of O.
(A) 2.0
(B) 4.0
(C) 8.0
(D) 16
9. The reaction vessel is heated to 675°C, where the equilibrium
concentration of the HI is determined to be 6.0 M. What is the
K value at 675°C?
(A) 6.0
(B) 9.0
(C) 24
(D) 36
Transcribed Image Text:an evacuate the concentrations of H2 and I, are both 2.0 M and that of HI equals 8.0 M. H2(g) + 2(g) 2 HI(g) (At 425°C, K = 9.00) 8. Determine the value of O. (A) 2.0 (B) 4.0 (C) 8.0 (D) 16 9. The reaction vessel is heated to 675°C, where the equilibrium concentration of the HI is determined to be 6.0 M. What is the K value at 675°C? (A) 6.0 (B) 9.0 (C) 24 (D) 36
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