
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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What is the free energy change (kJ/mol) for the dissolution of TlCl at 25.00°C if it has a Ksp of 0.00018?
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- Km.201.arrow_forwardCalcium chloride has the following solubility reaction: CaCl₂ (s) Ca²+ (aq) + 2Cl(aq) Given the following molar enthalpies and entropies, what would happen to the solubility by increasing temperature? Compound CaCl₂(s) Ca²+ (aq) CI (aq) Ob) solubility decreases AHf (kJ/mol) a) more information is needed c) solubility increases -795.8 -542.96 -167.16 d) temperature has no effect on solubility ASf (J/mol-K) -55.2 56.5 -46.8arrow_forwardThe vapor pressure of water at 25oC is 0.0313 atm. Calculate the value of Kc at 25oC for the following reaction. H2O(l) ⇆ H2O(g) Your answer should have 3 sig figs.arrow_forward
- The Kp for 3A(g) + 4B(g) = 2C(g) + 3D(s) is 4.90 x 10-4 at 300C. Determine the Kc for this reaction at the same temperature.arrow_forwardThe vapor pressure of n-propyl alcohol What is the enthalpy of vaporization and what is the entropy change of the vaporization of 100 g of n-propanol?arrow_forwardThe standard reaction free energy N2(g) + 3H2(g) 2 NH3(g) AGº =-34. kJ for this reaction: Use this information to complete the table below. Round each of your answers to the nearest kJ. reaction 6NH3 (g) 3N2(g) + 9H₂ (g) AGº kJ - 2NH3(g) N2(g) + 3H2(g) ☐ kJ 2N2 (g) + 6H₂ (g) → 4NH3 (g) ☐ kJ ☐ x10 ☑arrow_forward
- 24arrow_forwardFor which one of the following reactions is Kp equal to Kc? CaCO3(s) = CaO(s) + CO₂(g) 2NH3(g) = 3H₂(g) + N₂(g) 302(g) = 203(g) SnO2(s) + 2H₂(g) Sn(s) + 2H₂O(g) NH41(s) NH3(g) + HI(g)arrow_forwardGiven the thermodynamic properties below, determine the standard Gibbs free energy change, AG, for the dissolution of calcium hydroxide. Give your answer to one decimal place in kJ/mol. Ca(OH)2 (s) Ca²+ (aq) + 2 OH- (aq) = S (J/mol-K) H₁ (kJ/mol)G₁°(kJ/mol) Ca(OH)2 (s)83.4 Ca²+ (aq) -53.1 OH(aq) -10.8 -986.1 -542.8 -230.0 -898.6 -553.6 -157.2arrow_forward
- The equilibrium constant, Kc, for the following reaction is 14.9 at 332 K.2CH2Cl2(g) CH4(g) + CCl4(g)Calculate Kc at this temperature for:CH4(g) + CCl4(g) 2CH2Cl2(g) Kc=arrow_forward8. Given that Ksp for Agl(s) = 8.3 × 10-17 and Kf for [Ag(CN)₂] = 1.0 × 10²¹ at 25°C, what is the AG for the following reaction at the same temperature? Agl(s) + 2 CN- (aq) = [Ag(CN)₂]-¯(aq) +1-(aq)arrow_forward
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