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For the reaction: 2 NO (g) + Cl2 (g)  ⇌  2 NOCl(g),   Keq = 2500If a chemist runs the reaction with the following initial pressures: P(NO) = 3.0 atm  P(Cl2) = 12.0 atm  P(NOCl) = 175 atm Calculate Q and determine which way the reaction will shift to reach equilibrium.(That is, which of the following is entirely correct?) a. Q = 2500, no shift occurs. b. Q = 284, reaction shifts to the right.  c. Q = 284, reaction shifts to the left. d. Q = 4.86, reaction shifts to the right. e. Q = 4.86, reaction shifts to the left.  

What is the correct formula for Ammonium sulfite? a. (NH3)2SO3 b. (NH4)2SO4 c. NH4SO4 d. (NH4)2S e. (NH4)2SO3

What is the overall charge of the Platinum(IV) complex [PtCl2(en)]? a. -1 b. +2 c. 0 d. +4 e. -2   Tables.pdf Periodic Table with New Elements.pdf

Suppose that the reaction: C → products is second order in C and has a rate constant k = 8.76 x 10-3 M-1 . min-1  First write the rate equation,  and then answer the following question. At what [C] will the rate equal 1.11 x 10-5 M . min-1 ? a. 1.3 x 10 -3 M b. 9.7 x 10 -8 M c. 3.1 x 10 -4 M d. 3.6 x 10 -2 M e. 0.40 M   Tables.pdf Periodic Table with New Elements.pdf

Write the correct dissolving equation for Ag2CO3 (s) on scratch paper, and then answer the following question. Will a ppt of Ag2CO3 (s) form if you mix 8.4 x 10-4 M Ag+ (aq) with 3.3 x 10-5 M CO3 -2 (aq)?  Which of the following is entirely correct? a.  Q= 5.5 x 10-8, ppt forms b.  Q= 2.3 x 10-11, no ppt c.  Q= 2.3 x 10-11, ppt forms d.  Q = 2.7 x 10-8, ppt forms e. Q = 2.7 x 10-8, no ppt

If [H+] = 6.2 x 10-9 M, what is [OH-]?   a. 1.6 x 10-6 M a. 16.2 x 105 M a. 6.2 x 10-23 M a. 1.6 x 10-24 M a. 7.8 x 10-9 M

What is the correct formula for Manganese(II) acetate? a. Mn2C2H3O2 b. MnC2O4 c. Mn(C2H3O2)2 d. Mn(HC2H3O2)2 e. MnC2H3O2

What is the correct formula for Lead(II) phosphate? a. Pb2PO4 b. Pb3(PO4)2 c. Pb4(PO)2 d. Pb3P2 e. Pb2(PO4)3

What is [H+ ] when pH = 6.2?   a.   6.3 X 10-7 M b.  1.6 X 106 M c. 1.6 X 10-8 M d. 1.6 X 10-15 M e.  7.8 M  

Suppose the following reaction is at equilibrium: