A student was given a sample of a silvery gray metal and told that it was bismuth, specific heat 0.122 J/g°C, or cadmium, specific heat 0.232 J/g°C. The student ured out a 250 gram sample of the metal, heated it to 96.0°C and then added it to 98.5 grams ter at 21.0°C in a perfect calorimeter. The final temperature in the calorimeter was 30.3°C. e student's data to calculate the specific heat of the metal sample and then identify the The specific heat of water is 4.184 - g°C
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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