45. A50g sample of NaCl is added to a Styrofoam cup of water, and the change in water temperature is 5.0 °C. The heat of solution of NaCl is 3.76 kJ/ mol. What is the mass (in g) of water in the Styrofoam cup? Use Hess's law to determine AH for the reaction -COg), given that Cpmphite) +04g) - - CO(g) AH = -110.54k] Cigaphite)+Ofg) CO(g) AH-393.51 k]

45. A50g sample of NaCl is added to a Styrofoam cup of water, and the change in water temperature is 5.0 °C. The heat of solution of NaCl is 3.76 kJ/ mol. What is the mass (in g) of water in the Styrofoam cup? Use Hess's law to determine AH for the reaction -COg), given that Cpmphite) +04g) - - CO(g) AH = -110.54k] Cigaphite)+Ofg) CO(g) AH-393.51 k]

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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