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For the Reaction, 2SO2(g)+ O2(g) 2SO3(g), at 450

Question 30

Multiple Choice

For the reaction, 2SO2(g) + O2(g) For the reaction, 2SO<sub>2</sub>(g) + O<sub>2</sub>(g)    2SO<sub>3</sub>(g) , at 450.0 K the equilibrium constant, K<sub>c</sub>, has a value of 4.62. A system was charged to give these initial concentrations, [SO<sub>3</sub>] = 0.254 M, [O<sub>2</sub>] = 0.00855 M, [SO<sub>2</sub>] = 0.500 M. In which direction will it go? Hint: Find the value for Q and then compare that value to the given value for K<sub>c</sub>. A) to the right or the left depending on the pressure B) to the left C) it will remain at the same concentrations D) to the right E) to the right or the left depending on the volume 2SO3(g) , at 450.0 K the equilibrium constant, Kc, has a value of 4.62. A system was charged to give these initial concentrations, [SO3] = 0.254 M, [O2] = 0.00855 M, [SO2] = 0.500 M. In which direction will it go? Hint: Find the value for Q and then compare that value to the given value for Kc.


A) to the right or the left depending on the pressure
B) to the left
C) it will remain at the same concentrations
D) to the right
E) to the right or the left depending on the volume

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