Use the standard reaction enthalpies given below to determine ?H*rxn AHO2 NOg) tO, g よこranGiven:と, Lg) +0z G) 2NOL3)2.の+ 183 KJ1/2 Nz (g)+ O, 5)AH°rXn こ +33 KD日冊

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Answered: AHO ン ran Given: + 183 KJ 12 Nz lg)+…

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AHO ン ran Given: + 183 KJ 12 Nz lg)+ O,5) AH°rxn こ +33 KI

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter5: Thermochemistry

Section: Chapter Questions

Problem 2E: Prepare a table identifying several energy transitions that take place during the typical operation...

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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.

Question

Use the standard reaction enthalpies given below to determine ?H*rxn

AHO
2 NOg) tO, g よ
こ
ran
Given:
と, Lg) +0z G) 2NOL3)
2.
の
+ 183 KJ
1/2 Nz (g)+ O, 5)
AH°rXn こ +33 KD
日冊

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