Question 22. Air inside a room is contaminated by CO (conservative pollutant) due to inside heater emitting at a rate-0.15 mg/s and operated for long enough time which resulted in high indoor pollution that poses high risk for humans. It is required now to immediately ventilate the room to reduce the concentration of CO to the acceptable level. Assume that the ambient air concentration of CO negligible, what is the rate of ventilation required to reduce the concentration into an acceptab my which is equivalent to the initial concentration (0.12 mg/m³) before operating the heater?
Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
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