Energy requirements to convert an ice cube at -10.0 °C to liquid water at +10.0 °C Energy required to raise temperature of solid: q1mCs, solid T Energy required to convert from solid to liquid: Temperature (°C) 10 8 N N पं -6 -8 qz = nΔΗ fusion Energy required to raise temperature of liquid: q3= MCs, liquid T Added Thermal Energy Note: you should be familiar with all of the variables and units in these equations from the last chapter of material on Thermochemistry (Tro, chapter 6). The only new variable is AHfusion, which is the enthalpy change for the melting (fusion) of a solid. -10 solid → liquid phase transition 1 2 3 10 °C temperature change of solid 10 °C temperature change of liquid

Energy requirements to convert an ice cube at -10.0 °C to liquid water at +10.0 °C Energy required to raise temperature of solid: q1mCs, solid T Energy required to convert from solid to liquid: Temperature (°C) 10 8 N N पं -6 -8 qz = nΔΗ fusion Energy required to raise temperature of liquid: q3= MCs, liquid T Added Thermal Energy Note: you should be familiar with all of the variables and units in these equations from the last chapter of material on Thermochemistry (Tro, chapter 6). The only new variable is AHfusion, which is the enthalpy change for the melting (fusion) of a solid. -10 solid → liquid phase transition 1 2 3 10 °C temperature change of solid 10 °C temperature change of liquid

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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