1. Determine the AS° for the reaction:H2OL)69.9H2SO4L)S°256.2156.9

∆Srxn is given by the difference of ∆Sreactants and ∆Sproducts.

Answered: 1. Determine the AS° for the reaction:…

Science

Chemistry

1. Determine the AS° for the reaction: H2Ou 69.9 H2SO4 S° 256.2 156.9

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter10: Energy

Section: Chapter Questions

Problem 63QAP

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Q: АСTIVITY: 1. Determine the AS° for the reaction: H2OL) 69.9 H2SO4L) 156.9 + S° 256.2

A: The data is given as follows:

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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

1. Determine the AS° for the reaction:
H2OL)
69.9
H2SO4L)
S°
256.2
156.9

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