Copper normally melts at 1085 °C with an enthalpy of melting of 13.05 kj/mole. The constant molar volumes of liquid and solid copper are 8×10^-6 and 7.6×10^-6 m^3, respectively. a) Estimate the change in melting point if the pressure on copper is increased 10 atm. (Use Clapeyron equation) b) Draw G vs. P graphs for solid and liquid copper (show them on the same graph) at a given constant temperature. Indicate the slopes.

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter10: Solids, Liquids, And Phase Transitions
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Copper normally melts at 1085 °C with an enthalpy of melting of 13.05 kj/mole.
The constant molar volumes of liquid and solid copper are 8×10^-6 and
7.6×10^-6 m^3, respectively.
a) Estimate the change in melting point if the pressure on copper is increased 10
atm. (Use Clapeyron equation)
b) Draw G vs. P graphs for solid and liquid copper (show them on the same
graph) at a given constant temperature. Indicate the slopes.
Transcribed Image Text:Copper normally melts at 1085 °C with an enthalpy of melting of 13.05 kj/mole. The constant molar volumes of liquid and solid copper are 8×10^-6 and 7.6×10^-6 m^3, respectively. a) Estimate the change in melting point if the pressure on copper is increased 10 atm. (Use Clapeyron equation) b) Draw G vs. P graphs for solid and liquid copper (show them on the same graph) at a given constant temperature. Indicate the slopes.
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