What is the heat of reaction, AH?CO₂(g) + H₂O(1)→ H₂CO3(aq)Question 5-20.2 kJ mol-¹-1379 kJ mol-1-592 kJ mol-¹What is the average bond energy in CO₂?CO₂(g)CO(g)C(g)CO3² (aq)O(g)AH--393.5 kJ mol-¹AH--110.5 kJ mol-¹AH-+715 kJ mol-¹AH-676.3 kJ mol-1AH+249.0 kJ mol-1207 kJ mol-1804 kJ mol-11607 kJ mol-1

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What is the heat of reaction, AH? CO₂(g) + H₂O()→ H₂CO3(aq) -20.2 kJ mol-¹ -1379 kJ mol-1 -592 kJ mol-1

Chemistry & Chemical Reactivity

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ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

ChapterL: Let's Review

SectionL.1: Units Of Measurement

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Concept explainers

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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