8:41 AM ecourses.pvamu.edu Sprint 19. Which of the following statements regardin
ID: 560308 • Letter: 8
Question
8:41 AM ecourses.pvamu.edu Sprint 19. Which of the following statements regarding the mass action expression and the equilibrium constant expression is NOT true? The mass action expression is useally arelied to systems that have not atained equilibeium There is only one value of the equilibrium constant 20. If the reaction quotient Q has a larger value than the related equilibrium constant K s at qquilibrium 21. When can an x be ignored in solving an equilibrium expression derived from a RICE table? henever it it is added to or it is raised to any 22. The decomposition of NOCI to form NO and Cl2, 2 NOCIg 2 NO(g) +Cl2(g), has a Kp value of 1.6 1005 at some temperature. If 0.500 atm of NOCI is placed in a closed vessel and allowed to come to equilibrium, what is its approximate equilibrium partial ressure? 23. In the equation relating equilibrium to thermodynamics, a = _RTb and &K; 24. Which of the following is a strong acid?Explanation / Answer
Ans 19 c) the mass action expression never has the same value as the equillibrium constant expression.
When the mass action expression has the same value as the equillibrium constant expression , the reaction is said to be at equillibrium at that time.
In all other cases , either the forward or reverse reaction is favoured.
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