Physical Chemistry Third Edition

62 2 Work, Heat, and Energy: The First Law of Thermodynamics CV≈ 3 nR (nonlinear polyatomic dilute gas) (2.4-9) This ascribes th ...

2.4 Calculation of Amounts of Heat and Energy Changes 63 Exercise 2.9 The Euler reciprocity relation, Eq. (B-13) of Appendix B, ...

64 2 Work, Heat, and Energy: The First Law of Thermodynamics would differ from the initial temperature. If the heat capacity of ...

2.4 Calculation of Amounts of Heat and Energy Changes 65 Solution Since our system consists of 1.000 mol, we calculate the chang ...

66 2 Work, Heat, and Energy: The First Law of Thermodynamics 400 300 200 100 0 T/K V/L 01015205 Step 2: Constant-volume heating ...

2.4 Calculation of Amounts of Heat and Energy Changes 67 b.Calculateqandwfor the reversible process corresponding to the followi ...

68 2 Work, Heat, and Energy: The First Law of Thermodynamics If the initial valuesV 1 andT 1 are specified, this equation givesT ...

2.4 Calculation of Amounts of Heat and Energy Changes 69 EXAMPLE2.18 Show that for a reversible adiabatic process the van der Wa ...

70 2 Work, Heat, and Energy: The First Law of Thermodynamics If the molar heat capacity of a van der Waals gas is represented by ...

2.4 Calculation of Amounts of Heat and Energy Changes 71 Exercise 2.18 a.Using Eq. (2.4-27) find the final pressure for the adia ...

72 2 Work, Heat, and Energy: The First Law of Thermodynamics Exercise 2.20 Sincedw >−PdVfor an irreversible compression proce ...

2.4 Calculation of Amounts of Heat and Energy Changes 73 w, andqfor the process. Assume argon to be ideal and assume thatCV, m ...

74 2 Work, Heat, and Energy: The First Law of Thermodynamics 2.5 Enthalpy Many liquid systems in the laboratory are contained in ...

2.5 Enthalpy 75 The Heat Capacity at Constant Pressure The heat capacity at constant pressure is given by CP lim ∆T→ 0 ( q ∆T ) ...

76 2 Work, Heat, and Energy: The First Law of Thermodynamics Equation (2.5-13a) is a good approximation. The other two equations ...

2.5 Enthalpy 77 P 2 P 1  ( V 1 V 2 )γ (2.5-16b) T 2 T 1  ( P 2 P 1 ) 1 − 1 /γ (2.5-16c) Exercise 2.23 Verify Eq. (2.5-16). For ...

78 2 Work, Heat, and Energy: The First Law of Thermodynamics Thermometers Adiabatic insulation Porous plug Adiabatic insulation ...

2.5 Enthalpy 79 whereVL1is the initial volume of the left side of the apparatus andVL2is the final volume of the left side of th ...

80 2 Work, Heat, and Energy: The First Law of Thermodynamics We can use the cycle rule, Eq. (B-15) of Appendix B, to write ( ∂H ...

2.6 Calculation of Enthalpy Changes of Processes without Chemical Reactions 81 2.41A sample of 3.00 mol of argon is heated from ...