.5000 moles of steam at 200 degrees celsius was chilled in a ultra low temperature freezer to -90 degreees celsius. if the heat of vaporization of steam is 540. cal/ gram, the heat of fusion of water is 80.0 cal/ gram, the specific heat of steam is .500 cal/ gram -celsius, the specific heat of water is 1.000 cal/ gram- celsius and the specific heat of ice is .500 cal/ gram -celsius, how many kJ of energy is released, assuming no energy loss to the environment? 1 calorie= 4.184 Joules.
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.
.5000 moles of steam at 200 degrees celsius was chilled in a ultra low temperature freezer to -90 degreees celsius. if the heat of vaporization of steam is 540. cal/ gram, the heat of fusion of water is 80.0 cal/ gram, the specific heat of steam is .500 cal/ gram -celsius, the specific heat of water is 1.000 cal/ gram- celsius and the specific heat of ice is .500 cal/ gram -celsius, how many kJ of energy is released, assuming no energy loss to the environment? 1 calorie= 4.184 Joules.
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![9b. 0.5000 moles of steam at 200°C was chilled in a ultra-low temperature freezer to -90°C. If the heat of
vaporization of steam is 540. cal/gram, the heat of fusion of water is 80.0 cal/gram, the specific heat of steam is
0.500 cal/gram-°C, the specific heat of water is 1.000 cal/gram-°C, and the specific heat of ice is 0.500
cal/gram-°C, how many kJ of energy is released, assuming no energy loss to the environment? 1 calorie = 4.184
Joules.
%3D
CUT
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