Copper melts at 1083°C. Droplets of liquid Cu had been supercooled to 847°C before isothermal solidification occurred. 1. Calculate the enthalpy change of the system associated with the isothermal solidification of 1 mole of supercooled copper at 847°C. 2. Calculate entropy change of the system associated with the isothermal solidification of 1 mole of supercooled copper at 847°C. 3. Calculate the entropy change of the surroundings associated with the isothermal solidification of 1 mole of supercooled copper at 847°C. 4. Calculate the total entropy change (system and surrounding) for isothermal solidification of supercooled copper at 847°C. Comment on the results. At 1083°C, AHL-s = -12,958- L→S Cp (Liquid Cu) = 31.35 mole J mole.K Cp (Solid Cu) = 22.61 + 6.27 × 10-³T ) J mole.K
Copper melts at 1083°C. Droplets of liquid Cu had been supercooled to 847°C before isothermal solidification occurred. 1. Calculate the enthalpy change of the system associated with the isothermal solidification of 1 mole of supercooled copper at 847°C. 2. Calculate entropy change of the system associated with the isothermal solidification of 1 mole of supercooled copper at 847°C. 3. Calculate the entropy change of the surroundings associated with the isothermal solidification of 1 mole of supercooled copper at 847°C. 4. Calculate the total entropy change (system and surrounding) for isothermal solidification of supercooled copper at 847°C. Comment on the results. At 1083°C, AHL-s = -12,958- L→S Cp (Liquid Cu) = 31.35 mole J mole.K Cp (Solid Cu) = 22.61 + 6.27 × 10-³T ) J mole.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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for 1 and 2, why is it in deg C and not kelvin (K)?
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