6. What is the A equilibrium-constant expression for the following equilibrium A
ID: 1041586 • Letter: 6
Question
6. What is the A equilibrium-constant expression for the following equilibrium ATSP B) C) IS, JI) D) IR) E)? 7. Which of the following reactions is associated with the definition of Ko? A) CN +H HCN E) none of these 8. A 10.0-L vessel at 700 K initially contains HI(9) at a pressure of 5.70 atm; at equilibrium, it is what is the partial pressure of HIG) at found that the partial pressure of H2(g) is 0.552 atm, equilibrium? 2H1Co)--H2(g) + 12(9) A) 4.60 atm B) 6.25 atm C) 5.15 atm D) 0.552 atm E) 5.70 atm 9. Consider the following reaction: 2HRg)-H,(g)+F,(g) (K= 1.00 × 102) Given that 1.00 mol of HF(9), 0.361 mol of H2(9), and 0.750 mol of F2(9) are mixed in a 5.0 L flask, determine the reaction quotient, Q A) -0.0677 B) Q=0.0542 Q-2.11 Q=0.271 C) D) E) none of these Page 2Explanation / Answer
6. S8(s) +24F2(g) ----------> 8SF6(g)
Kc = [SF6]^8/[F2]^24 [ for solid [S8] = 1]
D. [SF6]^8/[F2]^24
7. anion react with water to gives OH^- ions
F^- + H2O ---------> HF + OH^-
Kb = [HF][OH^-]/[F^-]
B.F^- + H2O ---------> HF + OH^-
8.
2HI(g) -----------> H2(g) + I2(g)
I 5.7 0 0
C -2*0.552 0.552 0.552
E 4.596 0.552 0.552
PHI = 4.6 atm
A.4.6 atm
9.
2HF(g) -----------> H2(g) + F2(g)
Qc = [H2][F2]/[HF]^2
= 0.361*0.75/(1)^2 = 0.271
D. Q = 0.271
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