
Item 10: Question (10 pts.) Given the following reactions, AgBr(s) = Ag+(aq) + Br-(aq) Kap =...
Given the following reactions, AgBr(s) Ag (aq) + Br(aq) Ag*(aq)2 CN (aq)=Ag(CN)2(aq) K 1.2E+21 determine the equilibrium constant for the reaction below AgBr(s)2 CN-(aq)= Ag(CN)2 (aq) Brr(aq) Ksp 5.4E-13
Given the following reactions, AgBr(s) = Ag+ (aq) + Br(aq) Ksp = 5.8 x 10-13 Ag+ (aq) + 2 CN"(aq) = Ag(CN)2(aq) Kf = 9.5 x 1021 determine the equilibrium constant for the reaction below. AgBr(s) + 2 CN"(aq) =Ag(CN)2(aq) + Br(aq) Answer: 1.2E21 Check
Question 22 (5 points) Given the following half reactions: - AgBr(s) + e- Ag+ (aq) + e- Ag(s) + Br- (aq) E° = 0.07V → Ag (s) E° = 0.80V - Calculate the Ksp for PbSO4 at 25 degrees C. Please enter your answer in scientific notation, such as 1.2E10 or 1.2E-10 and keep two significant figures.
Consider the following information at 25 ºC: AgBr(s) + e- → Ag(s) + Br-(aq) Eº(AgBr(s),Ag(s)) = 0.07133 V Ag+(aq) + e- → Ag(s) Eº(Ag+(aq),Ag(s)) = 0.7996 V What is the value of the solubility product equilibrium constant Ksp(AgBr) of silver bromide? AgBr(s) ↔ Ag+(aq) + Br-(aq) Ksp(AgBr)
the equilibrium constant for the reaction AgBr(s)<—>Ag(aq)+Br-(aq) is the solubility product constant Ksp=7.7*10^-13 at 25 degrees C calculate the delta G for the reaction [Ag]= 1.0*10^-2 M and [Br]= 1.0*10^3 M. is the reaction spontaneous or nonspontaneous at these concentrations
Item 15: Question 4 pts whun of the following protons (Ha He. and Ho) is most acidic? HA N He Ho O HA OHв ОНp They all have the same acidity Submit Submit and Next Mark this question for later review Skip to Previous Skip to Next → s, Amherst, MA USA
1. Given the two equilibria below, Ag(NH3)2(aq) = Agt(aq) + 2NH3(aq); Kd = 5.9 x 10-8 AgBr(s) Ag+(aq) + Br" (aq); Ksp = 5 x 10-13 what is K, for the following equilibrium? AgBr(s) + 2NH3(aq) = Ag(NH3)2(aq) + Br" (aq) a. 3 x 10-20 b.2.7 x 100 c. 7.2 x 10-11 d. 8.5 x 10-6 e. 1.2 x 105
Consider the following Gibbs energies at 25 "C Substance Ag (aq) Cr(aq) AgCI(s) Br(aq) AgBr(s) 77.1 - 131.2 - 109.8 - 104.0 -96.9 (a) Calculate AG rn for the dissolution of AgCl(s). (b) Calculate the solubility-product constant of AgCl Number Number kJ mol (c) Calculate Δ3rxn for the dissolution of AgBr(s). (d) Calculate the solubility-product constant of AgBr Number Number kJ mol
2.5 pts. each Question 6 a) HNO3(aq) ??? H* (aq) + NO; (aq) b) Br (aq) + HOH (1) ??? HBr + OH' (aq) c) CH,COOH (aq) + HOH (U) ??? CH3COO- (aq) + H+ (aq) d) CH3COO(aq) + HOH (1) ??? CH3COOH (aq) + OH (aq) Which of these chemical reactions, if any, _D_ Represent(s) an equilibrium reaction Ad Represent(s) a one-way forward reaction -a Represent(s) a reaction that cannot occur Represent(s) an Acid/Base reaction Question 7 10 pts....
Item 7: Question (10 pts.) Chemical Formulas Scientific Notation Periodic Table Tables In the laboratory you are given the task of separating Ca2 and Zn2 lons in aqueous solution For each reagent listed below indicate if it can be used to separate the lons. Type "Y" for yes or "N" for no. If the reagent CAN be used to separate the ions, give the formula of the precipitate. If it cannot, type "No Y or N Reagent Formula of Precipitate...