PCHEMCONCEPTS_Overall

Relaonship between subh fush and vaph calorimetric

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Unformatted text preview: Volume: δw = 0. Hence, dU = δqV •  Show that ΔU = CV ΔT regardless of whether V, P is constant •  Concept of State Func;on (the inclined plane cartoon). •  Heat Capacity at Constant Volume: CV = (∂U/∂T) V Day #10: Fall 2011 •  Defini;ons, meaning and units of Specific Heat Capaci;es, Molar Heat Capaci;es at constant V. Monoatomic case: Cv = (3/2) nR •  Defini;on and Jus;fica;on of Enthalpy H = U + PV •  Defini;on, unit and meaning of CP heat capacity at constant P dH = δqp for any process where P is constant •  CP - CV =VT α 2 / κΤ is valid for any single phase material Rela;onship for an ideal gas is: CP - CV = nR (α = 1/T & κΤ = 1/P) •  Defini;ons, meaning and units of Specific Heat Capaci;es, Molar Heat Capaci;es at constant pressure and at constant vol...
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