Five grams of the specified pure solvent is placed in a variable volume piston. What are the
Question:
Five grams of the specified pure solvent is placed in a variable volume piston. What are the molar enthalpy and total enthalpy of the pure system when 50% and 75% have been evaporated at:
(i) 30°C,
(ii) 50°C? Use liquid at 25°C as a reference state.
(a) Benzene (ρL = 0.88 g/cm3).
(b) Ethanol (ρL = 0.79 g/cm3).
(c) Water without using the steam tables (ρL = 1 g/cm3).
(d) Water using the steam tables.
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Related Book For 
Introductory Chemical Engineering Thermodynamics
ISBN: 9780136068549
2nd Edition
Authors: J. Elliott, Carl Lira
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