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4. At 1084 °C solid copper melts to form a liquid. The phase change can be described as Cu(s) →→→ Cu(t). The density of solid and liquid copper are 8.96 g/cm' and 7.75 g/cm' respectively. The enthalpies of combustion of the solid and liquid are -156.06 kJ/mol and -167.92 kJ/mol respectively. The product of combustion of both the solid and liquid is CuO(s). Calculate the standard enthalpy changes for the fusion process in kJ/mol. Calculate the change in internal energy when the sample is under a pressure of 500 kbar.

4. At 1084 °C solid copper melts to form a liquid. The phase change can be described as Cu(s) →→→ Cu(t). The density of solid and liquid copper are 8.96 g/cm' and 7.75 g/cm' respectively. The enthalpies of combustion of the solid and liquid are -156.06 kJ/mol and -167.92 kJ/mol respectively. The product of combustion of both the solid and liquid is CuO(s). Calculate the standard enthalpy changes for the fusion process in kJ/mol. Calculate the change in internal energy when the sample is under a pressure of 500 kbar.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
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4. At 1084 °C solid copper melts to form a liquid. The phase change can be described as Cu(s) → Cu(t). The density of solid and liquid copper are 8.96 g/cm' and 7.75 g/cm' respectively. The enthalpies of combustion of the solid and liquid are -156.06 kJ/mol and -167.92 kJ/mol respectively. The product of combustion of both the solid and liquid is CuO(s). Calculate the standard enthalpy changes for the fusion process in kJ/mol. Calculate the change in internal energy when the sample is under a pressure of 500 kbar. Cu(s) → Cu(e) Solid copper liquid copper enthalples of combustion 8.96 g/cm3 7.75 g 1cm² said: -156.06 kJ/mol liquid-162.42 kJ/mol
Transcribed Image Text:4. At 1084 °C solid copper melts to form a liquid. The phase change can be described as Cu(s) → Cu(t). The density of solid and liquid copper are 8.96 g/cm' and 7.75 g/cm' respectively. The enthalpies of combustion of the solid and liquid are -156.06 kJ/mol and -167.92 kJ/mol respectively. The product of combustion of both the solid and liquid is CuO(s). Calculate the standard enthalpy changes for the fusion process in kJ/mol. Calculate the change in internal energy when the sample is under a pressure of 500 kbar. Cu(s) → Cu(e) Solid copper liquid copper enthalples of combustion 8.96 g/cm3 7.75 g 1cm² said: -156.06 kJ/mol liquid-162.42 kJ/mol
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