3. A student added calcium to water and measured the increase in temperature to determine AH for the redox reaction: Ca(s) + H₂O(l) → Ca(OH)₂ (aq) + H₂(g). When 0.6418 g Ca was added to 200.0 mL of distilled water in a styrofoam cup, the change in temperature was +8.4°C The density of the water was 1.00 g/mL. a. Which element is being oxidized in this reaction? Which is reduced? b. Calculate the Joules of energy absorbed by the calorimeter, given that Ccal = 20. J/°C. Calculate the Joules of energy absorbed by the solution, given that Ssoln = 4.184 J/g°C. [Note that msoln is the combined weight of water and calcium dissolved into water] d. Calculate the Joules of energy released by the reaction. C.

3. A student added calcium to water and measured the increase in temperature to determine AH for the redox reaction: Ca(s) + H₂O(l) → Ca(OH)₂ (aq) + H₂(g). When 0.6418 g Ca was added to 200.0 mL of distilled water in a styrofoam cup, the change in temperature was +8.4°C The density of the water was 1.00 g/mL. a. Which element is being oxidized in this reaction? Which is reduced? b. Calculate the Joules of energy absorbed by the calorimeter, given that Ccal = 20. J/°C. Calculate the Joules of energy absorbed by the solution, given that Ssoln = 4.184 J/g°C. [Note that msoln is the combined weight of water and calcium dissolved into water] d. Calculate the Joules of energy released by the reaction. C.

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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