Recently, the European Union considered labelling crude oil from the oil sands in Alberta "dirty" as it produces more greenhouse gases in obtaining it compared to other methods of obtaining oil. This would make Alberta oil less welcome in European refineries. It would be a blow to the industry if European countries reduced the amount of oil they purchased from the oil sands. Use print and electronic sources to research this issue. Do you agree or disagree that the oil should be labelled as "dirty"? Explain your position. (Recall the interactive Writer's Desk you used to help you write an opinion piece in Learning Activity 10).
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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