Sodium chloride is added to water (at 25 °C) until it is saturated. Calculate the concentration ofsodium ion at this point.AG₁° (kJ/mol)NaCl(s) -384Na*(aq) -262Cl(aq) -131[Na+] =M(round answerto 2 sig figs)As expected, there is an increase in entropy for this dissolution process and AS rxn is 43.4 J/K.Calculate ΔΗ=rxnHow would you describe this dissolutionprocessWrite your letteranswer below:kJa. Endothermic, solution feels hotb. Endothermic, solution feels coldc. Exothermic, solution feels hotd. Exothermic, solution feels cold(round to 3 sig figs)

Solubility of NaCl at 25 oC = 360 g/ 100ml moles of NaCl = mass / molar mass moles = 360 g/ 58.44…

Sodium chloride is added to water (at 25 °C) until it is saturated. Calculate the concentration of sodium ion at this point. AG₁° (kJ/mol) NaCl(s) -384 Na+ (aq) -262 Cl(aq) -131 [Na+] = M (round answer to 2 sig figs) As expected, there is an increase in entropy for this dissolution process and AS rxn is 43.4 J/K. ΓΧΠ Calculate AH°, = How would you describe this dissolution process Write your letter answer below: rxn kJ a. Endothermic, solution feels hot b. Endothermic, solution feels cold c. Exothermic, solution feels hot d. Exothermic, solution feels cold. (round to 3 sig figs)

Sodium chloride is added to water (at 25 °C) until it is saturated. Calculate the concentration of sodium ion at this point. AG₁° (kJ/mol) NaCl(s) -384 Na+ (aq) -262 Cl(aq) -131 [Na+] = M (round answer to 2 sig figs) As expected, there is an increase in entropy for this dissolution process and AS rxn is 43.4 J/K. ΓΧΠ Calculate AH°, = How would you describe this dissolution process Write your letter answer below: rxn kJ a. Endothermic, solution feels hot b. Endothermic, solution feels cold c. Exothermic, solution feels hot d. Exothermic, solution feels cold. (round to 3 sig figs)

Chemistry

10th Edition

ISBN:9781305957404

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

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

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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