Calculations of Equilibrium Constant
Chapter 16-2
	Dr. Robert Belford & Xiaomin Tu

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Questions 1 through 6 deal with the following reaction:

Question 1 In what direction will the reaction at 4400C proceed if: [HBr]= 1.0x10-2M [H2]=5.0x10-3M [Br2]=1.5x10-2M and Keq=50 at 4400C. (A)  reactants (B)  product (C)  equilibrium (D)  not enough information   Hint Your response Not answered yet

Question 2 What is the equilibrium concentration of Bromine at 4400C if: [H2]= 0.60M [HBr]=1.25M and [Br2]=0 (A)  0.0037 (B)  0.042 (C)  0.055 (D)  none of the above   Hint Your response Not answered yet

Question 3 What is [HBr] after equilibrium is reached for the problem described in question #2? (A)  0.042 (B)  0.084 (C)  1.2 (D)  none of the above   Hint Your response Not answered yet

Question 4 Determine Keq at a certain temperature if 0.80 mol HBr is produced after 0.50 mol H2 and Br2 react in a 2 L container. (A)  64 (B)  130 (C)  260 (D)  none of the above   Hint Your response Not answered yet

Question 5 At a certain temperature, Keq=6.30x102. What is the equilibrium concentration of H2 if 4.50mol of each of the three species were placed into a 3.00L flask? (A)  0.17 (B)  1.67 (C)  1.33 (D)  none of the above   Hint Your response Not answered yet

Question 6 What is [HBr] after equilibrium is reached for the problem described in question #5? (A)  1.80M (B)  2.45M (C)  4.16M (D)  none of the above   Hint Your response Not answered yet

Question 7 Determine Keq for the following reaction if 0.0500M N2O4 is placed in a container and it decomposes to an equilibrium value of 0.0155M. (A)  0.0500 (B)  0.307 (C)  1.06 (D)  none of the above   Hint Your response Not answered yet