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s ΔΗ in kE

s ΔΗ in kE

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter9: Energy And Chemistry
Section: Chapter Questions
Problem 9.46PAE: 9.46 The heat of fusion of pure silicon is 43.4 kJ/mol. How much energy would be needed to melt a...
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The following information is given for aluminum at latm: boiling point = 2467 °C AHvap(2467 °C) = 284 kJ/mol melting point = 660 °C AHfus (660 °C) = 10.8 kJ/mol specific heat solid= 0.900 J/g°C specific heat liquid = 1.09 J/g°C What is AH in kJ for the process of freezing a 40.8 g sample of liquid aluminum at its normal melting point of 660 °C. kJ
Transcribed Image Text:The following information is given for aluminum at latm: boiling point = 2467 °C AHvap(2467 °C) = 284 kJ/mol melting point = 660 °C AHfus (660 °C) = 10.8 kJ/mol specific heat solid= 0.900 J/g°C specific heat liquid = 1.09 J/g°C What is AH in kJ for the process of freezing a 40.8 g sample of liquid aluminum at its normal melting point of 660 °C. kJ
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