It is based on the concept of Chemical equilibrium.It can be done as follows:
Please give me better rattings.
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please help with question four and five 3. For the reaction PbCl2 (6) Pb2+ + 2CV,...
3. For the reaction PbCl2 (6) = Pb + + 2 C, what is the value of the equilibrium constant if [Pb=0.0022 M and (CI) is 0.027 M? 4. The equilibrium constant for the reaction of nitrogen and hydrogen to produce ammonia is 0.094 M at 450°C. If [N] =0.012 M and [H2] = 0.42 M at equilibrium, what is [NH3)? 5. How would an increase in gas pressure affect the reaction PCls (g) = PCH (9) + Cl2(g)?
6. For the reaction HCN (9) + H200) = H* (aq) + CN- (aq) how would decreasing (CN) shift the equilibrium? 7. For the reaction HCN (g) + H20 (1) = H30+ (aq) + CN (aq) how would adding H30- shift the equilibrium? 242
6. At 298 K, the equilibrium constant for the below reaction is 4.17 x 103. What is the concentration of Clat equilibrium? Pb2+ (aq) + 2 C1" (aq) = PbCl2 (5) (a) 20.2 M (b) 0.078 M (c) 10.1 M (d) 0.039 M
please help answer QUESTION 2 Calculate the value of the equilibrium constant for the following reaction at the indicated conditions: H20H30 (0) OcT(aq) + + HOCI 0.004 M pH 1.044 OCT-0.00455 M (express the answer to 5 decimal places) QUESTION 3 Calculate the equilibrium constant for the following: PbClz (s)PbCl2 (aq) Use the equilibrium constants in appendix 10 and 12. (don't use other sources!!!) NOTE: the Ksp for PbCl2 is incorrect in the textbook tables, but the value for pKso...
Question 6 (1 point) Transpose the following redox reaction into cell notation. Mg (s) + Pb2+ (aq) -- Mg2+ (aq) + Pb (s) O1 Mg (s)| Mg2+ (1 M) || Pb2+ (1 M) | Pb (s) || O I Mg (s) | NaNO3 (1 M) || NaNO3 (1 M) | Pb (s) O1 Pt (s)| Mg2+ (1 M) || Pb2+ (1 M) | Pt(s) O Pb (s) | Pb2+ (1 M) || Mg2+ (1 M) | Mg (s) || Question...
D Question 6 3 pts Write the expression for the equilibrium constant for the reaction represented by the equation Pb2+ (aq) + 2Cl(aq) =PbCl2(s) Is Kc>1.<1, or 1? Explain your answer. Solubility Rules: Soluble compounds contain • group 1 metal cations (LI". Na, K, Rb and Cs) and ammonium ion NHA • the halide ions (CI", Br", and I") • the acetate (C2H302 ), bicarbonate (HCO3), nitrate (NO3), and chlorate (CIO) ions • the sulfate (S04)ion Exceptions to these solubility...
A.) Given the reaction 2A + B ⇋ 4 C (all gases) concentrations at equilibrium are A = 0.076 M B = 0.829 M If K = 3.32, find the concentration of C and report it in M units. B.) Cu (s) + 2 Ag+ ⇋ Cu2+ (aq+) + 2 Ag(s) K = 7.88 x 104 PbCl2 (s) ⇋ Pb2+ (aq) + 2 Cl- (aq) K = 2.4 x 10-4 AgI (s) ⇋ Ag+ (aq) + I- (aq) K =...
QUESTION 6 From the following data, the reaction order for Ais___and the reaction order for Bis A Second order for A: first order for B B. zero order for Azero order for B C. zero order for Afirst order for B D. first order for As first order for B E. None of the answers are correct. QUESTION 7 You are trying to determine the reaction rate for a reaction with several intermediate steps. The rate for the overall reaction...
help with these please, the standard reduction are provided in the last three pictures What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the Pb2+ concentration is 9.05X10 M and the AP concentration is 1.48 M? 3Pb2+(aq) + 2Al(s) 3Pb(s) + 2A13+ (aq) Answer: The cell reaction as written above is spontaneous for the concentrations given: What is the calculated value of the cell potential at 298K for an...
the following reaction 2NO(0) + 2H2 (g) № (g) + 2 HaO (g) H2/0000 M quilbrium constant, Ke, for the reaction. Initially, a mixture of 0.300 M NO, 0.100 M NOwas found to beg,062-м. D.ig2 the value of the brium (init h N2)t eubrhum the conentreton dr H20 was allowed to reach equilibrium ( 0-200 8) Consider the following reaction. HSO.. (aq) + H2O (I) → HO. (aq) + SO2-(aq) The initial concentrations are [HSO門-0.3000 M, [HO+]s 0.050 M. [SO...