Three 1.0-L flasks, maintained at 308 K, are connected to eachother with stopcocks. Initially, the stopcocks are closed. One of theflasks contains 1.0 atm of N2; the second, 2.0 g of H2O; and thethird, 0.50 g of ethanol, C2H6O. The vapor pressure of H2O at 308 Kis 42 mmHg, and that of ethanol is 102 mmHg. When the stopcocksare opened and the contents mix freely, what is the pressure?

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Introduction and Basic Calculations in Multiphase Systems

Chemical calculations involve material and energy balance calculations which enable engineers to calculate material and energy requirements in various chemical processes. In addition to this, chemical calculations help to study the behavior and properties of gases, liquids, and their mixtures.