Calculate the total enthalpy in kJ of a 1.097 g sample of steam at 100°C going through various phase change steps to become ice at 0°C. Molar mass for H2O is 18.015 g/mol. +200 r Heat liberated 5 ... +150 4 Boiling +100 STEAM (100 -200°C) +50 LIQUID WATER (0-100°C) Melting 1 ICE (-50 - 0°C) Heat absorbed 50 200 400 600 800 1000 1200 1400 1600 Heat (k]) Use the following data for your calculations: Table 1 9.2 Specific heat and molar heat capacities for some common substances Molar Heat Capacity, C, (J mol K ) Specific Heat, c Substance (J g'K') Al(s) 0.900 24.3 Cu(s) 0.385 24.5 H,O(s) 2.09 37.7 H,O(E) 4.18 75.3 H,O(g) 2.03 36.4 Table 9.3 ... Standard molar enthalpies and temperatures for phase changes of water Phase Change Fusion Freezing Vaporization Condensation Transition 0°C 0°C 100°C 100°C Temperature AH = 4.07 x 10* AH (J/mol) ΔΗ 6009.5 AHfreeze = -6009.5 AHond = -4.07 x 10* Temperature (°C)

Calculate the total enthalpy in kJ of a 1.097 g sample of steam at 100°C going through various phase change steps to become ice at 0°C. Molar mass for H2O is 18.015 g/mol. +200 r Heat liberated 5 ... +150 4 Boiling +100 STEAM (100 -200°C) +50 LIQUID WATER (0-100°C) Melting 1 ICE (-50 - 0°C) Heat absorbed 50 200 400 600 800 1000 1200 1400 1600 Heat (k]) Use the following data for your calculations: Table 1 9.2 Specific heat and molar heat capacities for some common substances Molar Heat Capacity, C, (J mol K ) Specific Heat, c Substance (J g'K') Al(s) 0.900 24.3 Cu(s) 0.385 24.5 H,O(s) 2.09 37.7 H,O(E) 4.18 75.3 H,O(g) 2.03 36.4 Table 9.3 ... Standard molar enthalpies and temperatures for phase changes of water Phase Change Fusion Freezing Vaporization Condensation Transition 0°C 0°C 100°C 100°C Temperature AH = 4.07 x 10* AH (J/mol) ΔΗ 6009.5 AHfreeze = -6009.5 AHond = -4.07 x 10* 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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