Another component of acid rain is nitric acid, which forms when NO2NO2, also a pollutant, reacts with oxygen and water according to the simplified equation 4NO2(g)+O2(g)+2H2O(l) → 4HNO3(aq)4NO2(g)+O2(g)+2H2O(l) → 4HNO3(aq) The generation of the electricity used in a medium-sized home produces about 19 kgkg of NO2NO2 per year. Part A Assuming that there is adequate O2O2 and H2OH2O, what mass of HNO3HNO3, in kgkg, can form from this amount of NO2NO2 pollutant? Express the mass to two significant figures and include the appropriate units.
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.
Another component of acid rain is nitric acid, which forms when NO2NO2, also a pollutant, reacts with oxygen and water according to the simplified equation
4NO2(g)+O2(g)+2H2O(l) → 4HNO3(aq)4NO2(g)+O2(g)+2H2O(l) → 4HNO3(aq)
The generation of the electricity used in a medium-sized home produces about 19 kgkg of NO2NO2 per year.
Part A
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