These images show equal moles of So2 gas and o2 gas about to be mixed to form So3. 8. Assuming the rxn goes to completion... Write True/False next to the following statements. 1. The total mass of the reactants will not equal the mass of the products at the end of the reaction. 2. The mass of each reactant is not equal at the start of the reaction. 3. Adding more SO2 will result in additional product being made. 4. Oxygen (O2) disappears half as fast as sulfur trioxide (SO3) appears. 5. 64 grams of SO2 would produce 80 grams of SO3.
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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