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Question 21 (4 points) What is the expression for the equilibrium constant for the following system?...
a. What is the equilibrium constant expression for the reaction: 3 Fe (s) + 4 H2O (g) + Fe3O4 (s) + 4 H2 (g) b. The equilibrium constant, Kc, for the reaction 2 NOCI (9) ++ 2 NO (g) + Cl2 (g) is 2.4 x 10-7. What is the Kc for the reaction: 1/3 Cl2 (g) + 2/3 NO (g) ++2/3 NOCI (g)
The equilibrium constant expression K c for the reaction 2SO2Cl2 (g) + O2 (g) <--> 2SO3 (g) +Cl2 (g) is __________. A. Kc = [SO2Cl2]2[O2]/[SO3]2[Cl2]2 B. Kc = [SO3][Cl2]/[SO2Cl2][O2] C. Kc = [SO3]2[Cl2]2/[SO2Cl2]2[O2] D. Kc = [SO2Cl2][O2]/[SO3][Cl2]
2. How is the equilibrium-constant expression (Kc) for the reaction: 2NO(a) = N2() + Ke=0.145; related to the following reaction? O2 (a) N2(a) + O2(a) = 2NO(a) K=.............. (b) 4NOQ = 2Nz () + 2O2(g) Kos......... (c) NO) 1/2 N2(0)+ 1/2O2(0) K3= +++ (d) 1/2 N2(a) + 1/2O2(a) = NO) Ke=.............. 3. Given Kc or ko for the following reactions, what is the value of Koor K? (a) l2(g) + Cl2(a) = 2ICIOX Kc = 2.0 x105 at 25°C (b)...
15.
This question has multiple parts. Work all the parts to get the most points. At 35°C, K-1.1 x 10° for the reaction 2 NOCI(g) 근 2N0(g) + Cl2 (g) Calculate the concentrations of all species at equilibrium for each of the following original mixtures a3.8 moles of pure NOCl in a 2.0-L flask [NOCI] = NO] [C12] = b1.0 mole of NOCI and 1.0 mole of NO in a 1.0-L flask NOCI NO Numeric input field 3.8 mole of...
Calculate the equilibrium constant at 298.15 K for each of the following reactions from the value of ΔG° given. Please keep 2 significant figures. (a) H2(g) + 2 Na(s) → 2 NaH(s) ΔG° = −66.9 kJ/mol K= (b) 4 NO2(g) + O2(g) → 2 N2O5(g) ΔG° = 29.2 kJ/mol K= (c) SiO2(s) + 2 Cl2(g) → SiCl4(l) + O2(g) ΔG° = 236.5 kJ/mol K= †
Write the expression for the equilibrium constant K, for the following reaction. (Enclose pressures in parentheses and do NOT write the chemical formula as a subscript. For example, enter (PNH)2 as (P NH3)2. If either the numerator or denominator is 1, please enter 1.) 2 NOCI() H 2NO(g) + Cl2(g) K = -
What is the equilibrium equation for the reaction? SIC14 (8) + 2 H2(g) Si (s) + 4 HCI (8) OK [Si]+[C] [SIC]2[H2] K [51][HC14 [SiC14][H2) Kc [HC14 [H2)” [Sicla] KC [S1C14][H.] [Si] [#C?*
For each of the following reactions choose the expression that
represents Kc for the reaction:
1) TlCl3(s)
TlCl(s) + Cl2(g)
a) Kc =
[TlCl3]/[TlCl][Cl2]
b) Kc =
[TlCl][Cl2]/[TlCl3]
c) Kc = [Cl2]
2) CuCl42-(aq)
Cu2+(aq) + 4Cl-(aq)
a) Kc =
[Cu2+][Cl-]4/[CuCl42-]
b) Kc =
[Cu2+][Cl-]/[CuCl42-]
c) Kc =
[CuCl42-]/[Cu2+][Cl-]
3) 3O2(g)
2O3(g)
a) Kc =
[O2]3/[O3]2
b) Kc =
[O3]3/[O2]2
c) Kc =
[O3]2/[O2]3
4) 4H3O+(aq) +
2Cl-(aq) + MnO2(s)
Mn2+(aq) + 6H2O(ℓ) +
Cl2(aq)
a) Kc =
[Mn2+][Cl2]/[H3O+]4[Cl-]2
b)...
1. Write the equilibrium-constant expression (Kc) for the following reactions (a) H2 (g) + 12(g) = 2H1 (9) (b) 2Cl2 (g) + 2H20 (9) + 4HCI (9)+ O2 (g) (c) H2(g) + Br2(1) HBr (g) (d) Ag(CN) 2 (aq) + Agl (s) + (aq) + 2AgCN (s)
Which of the following is the equilibrium constant expression for the reaction: 2NO(g) + O2(g) - 2NO2(8) [NO] A. Kod [NO] [02] [no] [NO] [02] [NO] [NOJ +[02] 2[NO] D. K. INO]+[02] E. None of the choices are correct. Option A Option B