On a cold winter day the temperature is 2 C and the relative humidity is 15%. You inhale air at anaverage rate of 5500 mL/min and exhale a gas saturated with water at body temperature, roughly37 C. If the mass flow rates of the inhaled and exhaled air (excluding water) are the same, the heatcapacities ( ) of the water-free gases are each 1.05 J/(g C), and water is ingested into the body as aliquidat22 C,atwhatrateinJ/daydoyouloseenergybybreathing?Treatbreathingasacontinuousprocess(inhaledairandliquidwaterenter,exhaledbreathexits)andneglectworkdonebythelungs

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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.