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Physical Chemistry Assignment Help: Find Physical Chemistry Questions and Answers

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Phase equilibria, mixtures, and chemical equilibrium
Need help on a 1:15 hr exam on physical chemistry. Includes chapter 20,21,22 on phase equilibria, mixtures, and chemical equilibrium. Should contain a maximum of 10 questions. Exam is provided and must be completed at the specified time 12:30pm-1:45pm....
SO2 and phase diagrams with solid-liquid coexistence information
Qualitatively, how does the slope of the liquid-vapor coexistence curve compare to the slope of the solid-liquid coexistence curve? What information can you use to justify your answer? ii. Predict the boiling point at normal or standard pressure and compare your prediction to the experimental values available. Discuss any difference. iii. Predict ∆Vfus. Is your result qualitatively consistent with what you know about the slope of the of the solid-liquid coexistence curve and what you expect for the relative density for solid and liquid SO2?...
Physical chemistry The First Law3The Second and Third Laws4Physical transformations of pure substances5Simple mixtures
Heat does not flow spontaneously from a cool body to a hotter body. The entropy of an isolated system (e.g. the universe) increases in the course of a spontaneous change. ΔSuniverse = ΔSsystem + ΔSsurroundings , where ΔSuniverse > 0 for a spontaneous process Entropy Conceptual definition: Is a measure of how much energy is in the system, and how spread out this energy is in the system. Statistical definition: Entropy is proportional to the number of microstates the components of a system can access without changing the system macroscopically. Examples of microstates include molecular speeds, bond rotations, vibrations, molecular structures, etc Thermodynamic definition: dS=dqrevT d S = d q r e v T Entropy equations for an isothermal change in volume of an ideal gas: ΔSsys=nRln(V2V1) Δ S s y s = n R ln V 2 V 1...
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