Help answer. 20/1 pointCalculate AG, in kJ, for the dissolution equilibrium(equilibrium of a saturated solution) of CaF2 at 25°C.Enter your answer, rounded to the correct number ofsignificant figures, into the box. Do not use scientificnotation. If the answer is a decimal, include a O beforethe decimal point. If your answer is negative, includethe negative sign with no space between it and thenumber.491For T=25.0°C, AG =KJ

Step 1: We know that, ΔG=−RTlnKspThe Ksp for CaF2 is 3.9 × 10-11 at 25 °C. Step 2:…

Answered: 2 0/1 point Calculate AG, in kJ, for…

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter12: Solutions

Section: Chapter Questions

Problem 12.56QE

See similar textbooks

Similar questions

Use the following data to calculate the enthalpy of solution of sodium perchlorate, NaClO4: fH(s)=382.9kJ/mol and fH(aq,1m)=369.5kJ/mol
A solution is made by dissolving 34.0 g of NaCl in 100 g of H2O at 0C. Based on the data in Table 8-1, should this solution be characterized as a. saturated or unsaturated b. dilute or concentrated
The vapor pressures of several solutions of water-propanol (CH3CH2CH2OH) were determined at various compositions, with the following data collected at 45C: H2O Vapor pressure(torr) 0 74.0 0.15 77.3 0.37 80.2 0.54 81.6 0.69 80.6 0.83 78.2 1.00 71.9 a. Are solutions of water and propanol ideal? Explain. b. Predict the sign of Hsoln for water-propanol solutions. c. Are the interactive forces between propanol and water molecules weaker than, stronger than, or equal to the interactive forces between the pure substances? Explain. d. Which of the solutions in the data would have the lowest normal boiling point?
For each of the following pairs of solutions, select the solution for which solute solubility is greatest. a. Ammonia gas in water with P = 1 atm and T = 50C Ammonia gas in water with P = 1 atm and T = 90C b. Carbon dioxide gas in water with P = 2 atm and T = 50C Carbon dioxide gas in water with P = 1 atm and T = 50C c. Table salt in water with P = 1 atm and T = 60C Table salt in water with P = 1 atm and T = 50C d. Table sugar in water with P = 2 atm and T = 40C Table sugar in water with P = 1 atm and T = 70C
A solution is made by dissolving 0.455 g of PbBr2 in 100 g of H2O at 50C. Based on the data in Table 8-1, should this solution be characterized as a. saturated or unsaturated b. dilute or concentrated
b) Determine the freezing point of 500 g antifreeze, C2H6O2 in 2.5 kg of water. Given Kf for water is 1.86 °C.m-1.
In his experiment, Ana wanted to determine the molar mass of his unknown sample. Based on his data, he used 2.0 g of sample, which he mixed with 5.0 g of pure solvent (kf : 3.9 ℃·kg·mol^-1, FP: 313.15K), the melting point of the resulting solution got a value of 29℃. What is the identity of the unknown sample? a. AgCl b. Na2SO4 c. CoCl4 d. Mo(H2O)5
The following table provides some information on carbon dioxide solubility in water. C P k T (mol/L) (atm) (mol/L atm) (°C) 3.70x10-2 1.00 20.0 9.50x10-2 Part A Part B {—| ΑΣΦ What pressure is required to achieve a CO₂ concentration of 9.50x10-² at 20°C? View Available Hint(s) 2.2852 Submit Previous Answers Part C 1.00 www. X Incorrect; Try Again; 5 attempts remaining 20.0 3.40x10-² 25.0 atm At 1 atm, how many moles of CO2 are released by raising the temperature of 1 liter of water from 20°C to 25°C? ►View Available Hint(s)
Benzene (C,H,) and toluene (C,H,CH;) form nearly ideal solutions. At 20°C the vapor pressure of benzene is 74.7 torr, and that of toluene is 22.3 torr. (a) Find the equilibrium par- vapor pressures above a 20°C solution of 100.0 g of benzene plus 100.0 g of toluene. (b) Find the mole fractions in the vapor phase that is in equilibrium with the solution of part (a). tial
The freezing point of a 0.100 M acetic acid (CH3COOH) solution is determined to be-0.1878 C. Estimate the percent dissociation of acetic acid in this solution. Is it a strong orweak electrolyte? Note that acetic acid produces acetate (CH3COO-) and hydrogen (H+) ionswhen it is dissolved in water.
The freezing point of lauric acid was lowered by 1.68°C when a 3.706 g sample of a nondissociating molecular compound was dissolved in 40.02 g sample of lauric acid. What is the molar mass of the compound? The value of Kf for lauric acid is 3.90(°C-kg)/mol. b Od 120 g/mol 215 g/mol 432 g/mol 61.2 g/mol
1 The molal freezing point depression constant K=2.02 °C kg⋅mol for a certain substance X. When 34. g of urea ₂ CO): со are dissolved in 800. g of X, the solution freezes at 3.0 °C. Calculate the freezing point of pure X. ((NH2),C Round your answer to 2 significant digits. °C x10 X

SEE MORE QUESTIONS

Recommended textbooks for you

Chemistry: Principles and Practice

Chemistry

ISBN:

9780534420123

Author:

Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:

Cengage Learning

Chemistry & Chemical Reactivity

Chemistry

ISBN:

9781337399074

Author:

John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:

Cengage Learning

Chemistry

ISBN:

9781305957404

Author:

Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:

Cengage Learning

Chemistry: Principles and Practice

Chemistry

ISBN:

9780534420123

Author:

Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:

Cengage Learning

Chemistry & Chemical Reactivity

Chemistry

ISBN:

9781337399074

Author:

John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:

Cengage Learning

Chemistry

ISBN:

9781305957404

Author:

Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:

Cengage Learning

Chemistry

ISBN:

9781133611097

Author:

Steven S. Zumdahl

Publisher:

Cengage Learning

Chemistry: An Atoms First Approach

Chemistry

ISBN:

9781305079243

Author:

Steven S. Zumdahl, Susan A. Zumdahl

Publisher:

Cengage Learning

General, Organic, and Biological Chemistry

Chemistry

ISBN:

9781285853918

Author:

H. Stephen Stoker

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS