Part I. Data Table mass of empty Styrofoam cup and lid mass of cup, lid and cool water temperature of cool water specific heat of water temperature of hot water mass of cup, lid and water mixture observed final temperature of mixture 11.355g 36-2489 23-0 4.184 3. Percentage error of experiment. 88-0089 4760 Calculations (Carry out to the proper number of significant digits.) 1. Masses of hot water and cold water used. 2. Calculated final temperature of mixture. (Do not use your observed final temperature of mixture.)
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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