An electric range burner weighing 625.0 grams is turned off after reaching a temperature of 478.7°C, and is allowed to cool down to 22.3°C. needed for this question. Calculate the specific heat of the burner if all the heat evolved from the burner is used to heat 576.0 grams of water from 22.3°C to 82.7°C. Answer J/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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An electric range burner weighing 625.0 grams is turned off after reaching a temperature of 478.7°C, and is allowed to cool down to
22.3°C.
Calculate the specific heat of the burner if all the heat evolved from the burner is used to heat 576.0 grams of water from 22.3°C to
82.7°C.
Answer
Submit Answer
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J/g°C
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![An electric range burner weighing 678.0 grams is turned off after reaching a temperature of 458.3°C, and is allowed to cool down to
23.3°C.
Calculate the specific heat of the burner if all the heat evolved from the burner is used to heat 584.0 grams of water from 23.3°C to
80.4°C.
Answer
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