Use the following information to answer the next question Fructose is a sugar molecule that has the chemical formula C6H₁2O(S). A student burned 1.30 g of fructose to heat 236 g of water according to the reaction below. C6H12O6(S) +6 O₂(g) →6 CO₂(g) + 6 H₂O(g) The initial temperature of the water was 21.3 °C and after the sugar reacted the temperature was 41.1 °C. 4. From the information above, determine the molar enthalpy of combustion for fructose. Your answer.
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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