For numbers 7-8, refer to the figure below.959085807570656055Region IRegion IIRegion III500 30 60 90 120 150 180 210 240 270 300 330 360 390 420 450 480Time, sFigure 1. Liquid-Solid Cooling Curve for a pure substance.Temperature, °C 7. What happens to the average kinetic energy of the substance in Region II of the cooling curve?Remains constantO IncreasesO DecreasesO Cannot be determined from the given figure8. What should be the expected appearance of the substance in Region II of the cooling curve?O Solid-LiquidO SolidO LiquidO Cannot be determined from the given figure

Answer: Given curve is the cooling curve of the substance where in region-I we are decreasing the…

For numbers 7-8, refer to the figure below. 95 90 85 80 75 70 65 60 55 Region I Region II Region III 50 30 60 90 120 150 180 210 240 270 300 330 360 390 420 450 480 Time, s Figure 1. Liquid-Solid Cooling Curve for a pure substance. Temperature, °C

For numbers 7-8, refer to the figure below. 95 90 85 80 75 70 65 60 55 Region I Region II Region III 50 30 60 90 120 150 180 210 240 270 300 330 360 390 420 450 480 Time, s Figure 1. Liquid-Solid Cooling Curve for a pure substance. Temperature, °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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