How many grams of Fe₂O3 are made from the reaction of 24.0 grams of oxygen gas? (assume you have plenty of iron) 4Fe+302- ---> 2Fe₂O3 O 40.2 79.8 36.0 16.0 Consider the following equation: HSO4 (aq) + HPO4² (aq) ---> SO42 (aq)+ H₂PO4 (aq) HSO, is the base and SO2 is the conjugate acid HSO, is the acid and SO2 is the conjugate base SOA2 is the acid and H₂PO4 is the conjugate base H₂PO4 is the base and HPO42 is the conjugate acid
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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