'Constant volume heat capacity' presentation slideshows

Assignment (Due on 16/11/1999) Exercises 1.4, 1.8, 1.16, 1.39, 1.40

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Chemistry 231

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Dr Roger Bennett R.A.Bennett@Reading.ac.uk Rm. 23 Xtn. 8559

Thermal Physics PH2001. Dr Roger Bennett R.A.Bennett@Reading.ac.uk Rm. 23 Xtn. 8559. Lecture 22. Negative Temperature. From our previous derivation we had If n < N/2 then more than half the dipoles are anti-parallel and T becomes negative! What is a negative temperature?

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Dr Roger Bennett R.A.Bennett@Reading.ac.uk Rm. 23 Xtn. 8559

Thermal Physics PH2001. Dr Roger Bennett R.A.Bennett@Reading.ac.uk Rm. 23 Xtn. 8559. Lecture 22. Negative Temperature. From our previous derivation we had If n < N/2 then more than half the dipoles are anti-parallel and T becomes negative! What is a negative temperature?

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Entropy

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Thermodynamics: The First Law

Thermodynamics: The First Law. ?????? ??? ??? ?? Classical thermodynamics. Thermodynamics: the first law. 2.1 The conservation of energy 2.1.1 Systems and surroundings 2.1.2 Work and heat 2.1.3 The measurement of work 2.1.4 The measurement of heat

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The Thermodynamic Potentials

The Thermodynamic Potentials. Four Fundamental Thermodynamic Potentials. Equilibrium. dU = TdS - pdV dH = TdS + Vdp dG = Vdp - SdT d A = -pdV - SdT. fixed V,S. fixed S,P. fixed P,T. fixed T,V. The appropriate thermodynamic potential to use is determined by the constraints

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The Thermodynamic Potentials

The Thermodynamic Potentials. Four Fundamental Thermodynamic Potentials. Equilibrium. dU = TdS - pdV dH = TdS + Vdp dG = Vdp - SdT d A = -pdV - SdT. fixed V,S. fixed S,P. fixed P,T. fixed T,V. The appropriate thermodynamic potential to use is determined by the constraints

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Lecture 2: Enthalpy

Lecture 2: Enthalpy. Reading: Zumdahl 9.2, 9.3 Outline Definition of Enthalpy ( ? H) Definition of Heat Capacity (C v and C p ) Calculating ? E and ? H using C v and C p. What is Enthalpy?. Thermodynamic Definition of Enthalpy (H) H = E + PV

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Lecture 2: Enthalpy

Lecture 2: Enthalpy. Reading: Zumdahl 9.2, 9.3 Outline Definition of Enthalpy ( ? H) Definition of Heat Capacity (C v and C p ) Calculating ? E and ? H using C v and C p. What is Enthalpy?. Thermodynamic Definition of Enthalpy (H) H = E + PV

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1st Law of Thermodynamics

(state 2). (state 1). D E = ? c ycle dE = 1 ? 2 dE + 2 ? 1 dE = (E 2 - E 1 ) + (E 1 - E 2 ) = 0 In general cyclic integrals over state functions are by definition zero and in fact this property is used to define state functions: ? d (state function) ? 0

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