Physical Chemistry
2nd Edition
ISBN: 9781133958437
Author: Ball, David W. (david Warren), BAER, Tomas
Publisher: Wadsworth Cengage Learning,
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Chapter 5, Problem 5.57E
Determine the concentration of the three ionic forms of glycine present if
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For the reaction 2H2(g)+O2(g)↔2H2O(g)2H2(g)+O2(g)↔2H2O(g), K = 1083.
Which species, H2, O2, or H2O, will be present in the largest amount at equilibrium?
Determine the concentrations at equilibrium of the important species when 10.0 g ethanol (MW
46.07 g/mol) are placed with 25.0 g of oxygen (MW 32.00 g/mol) in a 1.00 L container at 100.°C.
C2H5OH(I) + 302(g) 2CO2(g) + 3H20(1)
Kc = 168. M1
%3D
A student ran the following reaction in the laboratory at 659 K:
2 NH3 (9) N2 (9) + 3 H₂ (9)
When she introduced 8.74x10-2 moles of NH3 (g) into a 1.00 liter container, she found
the equilibrium concentration of H₂ (g) to be 0.120 M.
Calculate the equilibrium constant, Kc, she obtained for this reaction.
Kc =
Chapter 5 Solutions
Physical Chemistry
Ch. 5 - 5.1. Can a battery that has a voltage be...Ch. 5 - 5.2. What is the difference between a static...Ch. 5 - Which system in each pair best represents...Ch. 5 -
5.4. Supersaturated solutions can be made in...Ch. 5 -
5.5. Following is a chemical reaction between...Ch. 5 - 5.6. The following is a reaction with its initial...Ch. 5 - The following is a reaction with initial amounts...Ch. 5 - 5.8. The hemoglobin in blood establishes an...Ch. 5 - Prob. 5.9ECh. 5 - 5.10. If and gases were contained in a system...
Ch. 5 - 5.11. Determine the numerical value of Q for the...Ch. 5 - 5.12. True or false: If all the partial pressures...Ch. 5 - For the reaction 2SO3(g)2SO2(g)+O2(g) when 2mol of...Ch. 5 - 5.14. Determine and for the following reaction at...Ch. 5 - 5.15. Consider the reaction
If the partial...Ch. 5 -
5.16. In atmospheric chemistry, the following...Ch. 5 - Prob. 5.17ECh. 5 - 5.18. Hydrogen cyanide can isomerize to hydrogen...Ch. 5 - 5.19. Assume that a reaction exists such that...Ch. 5 - Prob. 5.20ECh. 5 - 5.21. Show that if the coefficients of a balanced...Ch. 5 - 5.22. True or false: If for a gas-phase reaction,...Ch. 5 - 5.23. The balanced chemical reaction for the...Ch. 5 - The answers in exercise 5.23 should show that...Ch. 5 - At a high enough temperature, the equilibrium...Ch. 5 - Prob. 5.26ECh. 5 - 5.27. Nitrogen dioxide,, dimerizes easily to form...Ch. 5 - 5.28. Another nitrogen-oxygen reaction of some...Ch. 5 - Prob. 5.29ECh. 5 - Prob. 5.30ECh. 5 - Prob. 5.31ECh. 5 - 5.32. For the reaction
. (a) Using in Appendix...Ch. 5 - 5.33. Use the data in Appendix to calculate ...Ch. 5 - 5.34. The of diamond, a crystalline form of...Ch. 5 - 5.35. The densities of graphite and diamond are ...Ch. 5 - Buckminsterfullerene, C60, is a spherical molecule...Ch. 5 - Prob. 5.37ECh. 5 - At what pressure does H2O have an activity of...Ch. 5 - The bisulfate or hydrogen sulfate anion, HSO4, is...Ch. 5 - Prob. 5.40ECh. 5 - Write the equilibrium constant expression for each...Ch. 5 - Prob. 5.42ECh. 5 - For the given chemical equilibrium, these data are...Ch. 5 - Biological standard states include specifying a...Ch. 5 - a At 25.0C, Kw for the autoionization of water is...Ch. 5 - 5.46. For a reaction whose standard enthalpy...Ch. 5 - 5.47. For the reaction
and . Estimate for this...Ch. 5 - 5.48. The isotope exchange reaction
has an...Ch. 5 - 5.49. Consider the following equilibrium:
What...Ch. 5 - 5.50. For the equilibrium
Equilibrium partial...Ch. 5 - The decomposition of NaHCO3, used in kitchens to...Ch. 5 - 5.52. For the equilibrium
at,. In a flask, of...Ch. 5 - Prob. 5.53ECh. 5 - 5.54. For the reaction
The equilibrium...Ch. 5 - Prob. 5.55ECh. 5 - 5.56. Of the amino acids listed in Table , which...Ch. 5 - 5.57. Determine the concentration of the three...Ch. 5 - 5.58. The formation of zwitterionic glycine, ,...Ch. 5 - 5.59. Monosodium glutamate, or MSG, is the sodium...Ch. 5 - Prob. 5.60ECh. 5 - Consider the balanced chemical reaction...Ch. 5 - For the gas-phase reaction 2H2+O22H2O rxnG is...Ch. 5 - Prob. 5.63ECh. 5 - Prob. 5.64E
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- In a solution with carbon tetrachloride as the solvent, the compound VCl4. undergoes dimerization: 2VCl4V2Cl8 When 6.6834 g VCl4. is dissolved in 100.0 g carbon tetrachloride, the freezing point is lowered by 5.97C. Calculate the value of the equilibrium constant for the dimerization of VCl4 at this temperature. (The density of the equilibrium mixture is 1.696 g/cm3, and Kf = 29.8C kg/mol for CCl4.)arrow_forwardWrite the expression for the equilibrium constant and calculate the partial pressure of CO2(g), given that Kp is 0.25 (at 427 C) for NaHCO3(s) NaOH(s) + CO2(g)arrow_forward. K for copper(II)hydroxide, Cu(OH)2, has a value 2.21020at 25 °C. Calculate the solubility of copper(II) hydroxide in mol/L and g/L at 25 °C.arrow_forward
- If the value of K is 2.8 x 102 at 1000 K for the following reaction, what is the K value for the reverse reaction? 2SO2 (g) + O2 (g) ↔ 2 SO3 (g) 2. If the K value for 2SO2 (g) + O2 (g) ↔ 2 SO3 (g) is 2.8 x 102, what is the K value for the following reaction? 4 SO2 (g) + 2 O2 (g) ↔ 4 SO3 (g) 3. Calculate the value of K for the reaction: CaCO3 (s) + H+ (aq) ↔ Ca2+ (aq) + HCO3-1 (aq) 4. Given the following equilibrium constants: CaCO3 (s) ↔ Ca2+ (aq) + CO32- (aq) K1 = 10-6.3 HCO3- (aq) ↔ H+ (aq) + CO32- (aq) K2 = 10-10.3arrow_forwardA student ran the following reaction in the laboratory at 656 K: 2NH3 (9) N2 (9) + 3H₂(g) When she introduced 0.0783 moles of NH3(g) into a 1.00 liter container, she found the equilibrium concentration of H₂(g) to be 0.108 M. Calculate the equilibrium constant, Kc, she obtained for this reaction. Kc = for this question.arrow_forwardWhat is the equilibrium constant for: CH4(g) + 2 H2S(g) ⇌ CS2(g) + 4 H2(g), Is it Homogenous or Heterogenous?arrow_forward
- Please show step by step solutions, thanks! the equilibrium constant for the reaction of hydrogen gas and ethene to produce ethane under certain conditions is 9.8 x 1018.H2(g) + C2H4(g) C2H6(g) K = 9.8 x 1018 What is the equilibrium constant for the following reaction under the same conditions?3H2(g) + 3C2H4(g) 3C2H6(g) K = ? Answer Options: A. -9.8 x 1018 B. 2.1 x 106 C. 9.4 x 1056 D. 9.8 x 10-18 E. 1.0 x 10-19arrow_forwardThe Kgp of Ca3 (PO4), is 1.3 x 10-26. Estimate the solubility of this salt in units of g. L-1. You must show any reaction equation(s) that you may think are necessary. If a sample of solid Ca3 (PO4)2 is stirred into exactly one litre of a 0.550M solution of NazPO4, how will the solubility of the salt compare with the answer that you have obtained in question 2.1? Explain you answer in a short sentence.arrow_forwardDecide whether each of the following statements is true or false. If false, change the wording of the statement to make it true. a) Only the concentration of CO2 appears in the equilibrium expression for the reaction: CaCO3 (s) ↔ CaO (s) + CO2 (g). B) For the reaction CaCO3 (s) ↔ CaO (s) + CO2 (g), the value of K is numerically the same whether the amount of CO2 is expressed as molarity or as gas pressure.arrow_forward
- A mixture of 0.60 mol Cl2(g) and 0.40 mol F2(g) was allowed to come to equilibrium in a 1000-mL flask. If 2x represents the molar concentration of CIF(g) at equilibrium, which expression represents the equilibrium constant? C2(g) +F2(g) 2 2CIF(g) (2x)2 (0.60 – x) · (0.40 – x) x2 (A) (B) (0.60 — х) - (0.40- х) 2x 2r2 (D) (0.60 – x) · (0.40 – x) (0.60 – x) · (0.40 – x) O A В O carrow_forward2. Write the equilibrium constant expression in terms of Kç for the reaction: CS2 (g) + 4 H2 (g) = CH4 (g) + 2 H2S (g) 3. Calculate Keq for the reaction A (aq) + B (aq) = 2 C (aq) if at equilibrium [A] = 0.26 M, [B] = 0.35 M, and [C] = 0.21 M. C (aq) reaches equilibrium, the concentration of C is When the reaction A (aq) + B (aq) = 0.013 M. Complete the l-C-E table and calculate Keq for the reaction if the reaction vessel initially contains only substance A at 0.0450 M and substance B at 0.0600 M. 4. A (aq) в (aд) С (ад) + (1) Initial (C) Change (E) Equilibriumarrow_forwardPCI5(g) → PCI3(g) + Cl2(g) has K, = 1.84 at a given temperature. What is the value of K, for the reaction PCI3(g) + Cl2(g)PCI5(g) at the same temperature? %3D 1.84arrow_forward
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