Homework Answers
Solution:
The plot of free energy and pressure is given in the attached sheet. The plot shows nearly constant G value for liquids due to nearly constant value of Volume.
The equation, dG = VdP -SdT
At constant temperature, dG =VdP
Or (dG/dP) T = V
The above equation is used to determine free energy.
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The graph below shows the Gibbs energy as a function of the extent of reaction () for the gas phase reaction N204 (8) 2 NO2 (g) at a temperature of 420 K and a total pressure of 1 bar. N204 = 2 NO2 100 99 1.0.25 98. Een GE) /kJ/mol 97 96 T = 420 K 0.8 0 0.2 0.4 0.6 /mol The minimum in the Gibbs energy is indicated on...
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