Interpretation:
Among the given reactions the product favoured reaction has to be identified and then all the reactions has to be placed in order from most reactant-favoured to most product-favoured.
Concept Introduction:
Equilibrium Constant & Direction of reaction:
Case 1:
Reaction is strongly product-favoured; equilibrium concentrations of products are much greater than equilibrium concentrations of reactants.
Case 2:
Reaction is strongly reactant-favoured; equilibrium concentrations of reactants are much greater than equilibrium concentrations of products.
Case 3:
Equilibrium mixture contains significant concentrations of reactants and products; calculations are needed to determine equilibrium concentrations.
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Chapter 12 Solutions
OWLV2 FOR MOORE/STANITSKI'S CHEMISTRY:
- Actually, the carbon in CO2(g) is thermodynamically unstable with respect to the carbon in calcium carbonate(limestone). Verify this by determining the standardGibbs free energy change for the reaction of lime,CaO(s), with CO2(g) to make CaCO3(s).arrow_forwardComplete each of these reactions by filling in the blanks. Predict whether each reaction is product-favored or reactant-favored, and explain your reasoning. (a) _________ (aq) + Br(aq) NH3(aq) + HBr(aq) (b) CH3COOH(aq) + CN(aq) ________ (aq) + HCN(aq) (c) ________ (aq)+H2O () NH3(aq) + OH(aq)arrow_forwardComplete each of these reactions by filling in the blanks. Predict whether each reaction is product-favored or reactant-favored, and explain your reasoning. (a) (aq)+HSO4(aq)HCN(aq)+SO42(aq) (b) H2S (aq) + H2O() H3O+(aq) + _____ (aq) (c) H(aq) + H2O() OH(aq) +_____ (g)arrow_forward
- The neutralization of a strong acid and strong base has an enthalpy change, ∆H°, = -55.9 kJ/mol. The net ionic equation for this reaction is H⁺(aq) + OH⁻(aq) ⇌ H₂O(l) which is the reverse of the autoionization of water, and therefore ∆H° for the autoionization of water = +55.9 kJ/mol. Kw for the autoionization of water is 1.0 × 10⁻¹⁴ at 25°C. Distilled water has a [H⁺] = 1.0 × 10⁻⁷ M and a neutral pH of 7.0. Calculate the neutral pH of distilled water at 95°C.arrow_forwardWrite the equilibrium constant expression for this reaction: CH1,04(aq)+2 OH (aq) → 2 CH;COO (aq)+C,H¿O,(aq)arrow_forwardAnswer the following questions. Write the expression for the equilibrium constant for the reaction represented by the equation Na+(aq)+Cl−(aq)⇌NaCl(s). Is Kc > 1, < 1, or ≈ 1? Explain your answer. Write the expression for the equilibrium constant for the reaction represented by the equation PbCl2(s)⇌Pb2+(aq)+2Cl−(aq). Is Kc > 1, < 1, or ≈ 1? Explain your answer.arrow_forward
- The ionization constant of lactic acid, CH,CH(OH)CO,H, an acid found in the blood after strenuous exercise, is 1.36 x 10-4. What is the concentration of hydronium ion in the solution of 0.102 M lactic acid? CH;CH(OH)CO,H (aq) + H,O (1) → H;O• (aq) + CH;CH(OH)CO, (aq) O 0.00372 M O 0.0165 M O 0.00549 M O 0.227 Marrow_forwardThe pH of an aqueous solution of 8.39×10-2 M ammonium nitrate, NH4NO3 (aq), isarrow_forwardWrite an expression for the equilibrium constant for this reaction: N2O4(g)+ O3(g)=N2O5(s)+O2(g)arrow_forward
- The pH of an aqueous solution of 1.08×10-2 M carbonic acid, H2CO3 (aq), isarrow_forwardWrite the equilibrium constant expression, K, for the following reaction taking place in dilute aqueous solution. NO, (aq) + H20 ()=HNO, (aq) + OH¯ (aq) K =arrow_forwardGiven the thermodynamic properties below, determine the standard enthalpy change, ∆H˚, for the dissolution of calcium hydroxide. Give your answer to one decimal place in kJ/mol. 1 Ca(OH)2 (s) ⇌ Ca2+ (aq) + 2 OH– (aq)arrow_forward
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningPrinciples of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage Learning
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