ndothermic reaction a. The reaction absorbs heat. b. The amount of enthalpy change is-140 Kj c. Ha + N2 NH3 +500K) d. The energy of reactants is larger than the energy of the products. Q2: study the following graphs and answer the questions. Reaction Coordinate A. Label the previous graph. B. Which type of reaction does it represent it. explain your answer. C. Does it release or absorb energy ? Q3: hydrogen gas reacts with Oxygen gas to produce water and 70 Kj of heat, write the equation of the chemical reaction nweo Potential Energy
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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