For the reaction
(a) calculate K. (Ksp for CdC2O4 is
(b) calculate [NH3] at equilibrium when 2.00 g of CdC2O4 are dissolved in 1.00 L of solution.
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Chemistry: Principles and Reactions
- Ammonium carbamate solid (NH4CO2NH2) decomposes at 313 K into ammonia and carbon dioxide gases. At equilibrium, analysis shows that there are 0.0451 atm of CO2, 0.0961 atm of ammonia, and 0.159 g of ammonium carbamate. (a) Write a balanced equation for the decomposition of one mole of NH4CO2NH2. (b) Calculate K at 313 K.arrow_forward(iv) The Ksp for zinc oxide is 3.5 x 1017. What concentration of zinc sulfate (in mol/L) must be dissolved in water in contact with solid zinc oxide to obtain a solution pH of 5.9?.arrow_forward6. Which of the following equilibrium expressions corresponds to a heterogeneous equilibrium? How can you tell? (a) Kc = [NH3][HCI] ● (b) K₂ = Ke [H+][C₂H₂O₂] [HC,H,Oz] [Ag(NH3)][CF] [NH₂]² (c) (d) Kc = [Ba²+][F-]²arrow_forward
- The Kf for the formation of the B(CN)42- is 7.4 × 1039. Calculate the concentration of B2+ at equilibrium in a solution when concentrated KCN is added to a 0.14 M solution of B(NO3)2 to give an equilibrium concentration of [CN] = 0.013 M. Neglect the small volume change that occurs when KCN is added.arrow_forwardFor the equilibriumAl(OH)3 (s) ⇌ Al3+ (aq) + 3 OH− (aq) Ksp = 1.3 × 10-33 (a) What is the minimum pH at which Al(OH)3(s) will precipitate from a solution that is 0.075 M in Al3+? (b) A solution has [Al]3+ = 0.075 M and [CH3COOH] = 1.00 M. What is themaximum quantity of NaCH3COO that can be added to 500 mL of this solution before precipitation of Al(OH)3(s) begins? Given Ka[CH3COOH] = 1.8 × 10-5.arrow_forwardFor the equilibrium Al(OH)3 (s) ⇌ Al3+ (aq) + 3 OH-(aq) Ksp = 1.3 × 10-33 (a) What is the minimum pH at which Al(OH)3(s) will precipitate from a solution that is 0.075 M in Al3+? (b) A solution has [Al]3+ = 0.075 M and [CH3COOH] = 1.00 M. What is the maximum quantity of NaCH3COO that can be added to 500 mL of this solution before precipitation of Al(OH)3(s) begins? Given Ka[CH3COOH] = 1.8 × 10-5.arrow_forward
- Calculate the silver ion concentration, [Ag'], of a solution prepared by dissolving 1.00 g of AgNO3 and 10.0 g of KCN in sufficient water to make 1.00 L of solution. (Hint: Because k is very large, assume the reaction goes to completion then calculate the [Ag). RAg" (aq) + 2CN (aq) = Ag(CN)2(aq) kr = 1.0 x 1021 42 1g AgNO3 Helpful hint : You will need: AgNO3 = 169.989 1 mol AgNO3 169.98 g AgNO3 mol 5.89 x 103 mol Ag KCN = 65.12 3 mol 19KCN 1 mol KCN 65.12 g KCN 0.154 mol CN-arrow_forwardGiven the following reactions and their equilibrium constants, H2O(g) + CO(g) ↽−−⇀↽−−⇀ H2(g) + CO2(g) K = 1.6 FeO(s) + CO(g) ↽−−⇀↽−−⇀ Fe(s) + CO2(g) K = 0.67 calculate K for the reaction Fe(s) + H2O(g) ↽−−⇀↽−−⇀ FeO(s) + H2(g)arrow_forward5. The solubility product of fluorite, CaF2, is 10-10.5. (A) What is the solubility of Ca2+ at equilibrium with fluorite? (B) If CaF, is dissolved in a solution of 0.009-molar F", how much will dissolve at equilibrium?arrow_forward
- the equilibrium expressions for the following reactions: 2Fe(s) + 3H2O(g) ↔ Fe2O3(s) + 3 H2(g) A [Fe2O3][H2] = Keq [Fe][H2O] B [Fe2O3][H2]3 = Keq [Fe]2 [H2O]3 C [H2]3 = Keq [H2O]3 D [Fe]2 [H2O]3 = Keq [Fe2O3][H2]3arrow_forwardWhat is the equilibrium constant expression for: 4 NH3(g) + 502(g) = 4 NO(g) + 6 H20(1) [NH313[022 [NO][H20]2 O [ANOJ*(6H2O]6 [4NH3]4[502]5 NO]4 [NH3)4[O2]5 NO]H2] [NH2][O2] [NH3]4[02]5 NO]4arrow_forwardWrite the equilibrium-constant expression Kc for CO2(g) + H2(g) <=> CO(g)+ H2O(l)arrow_forward
- Chemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningGeneral Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage Learning