21) negativesymmetricalpositiverichpoorasymmetricalThe O atoms are electron(blue). The molecule iseach bond dipole.(red), while the rest of the molecule is electron, each O atom is at theend of Ethyl acetate, CH3CO₂CH₂CH3, is commonly used as a solvent and nail-polishremover.

Answer:When atoms with different electronegativity share the electrons then shared electrons slightly shift towards atom of more electronegativity and make it partially negatively charged and for same reason, atom with lower value of electronegativity becomes partially positively charged and this bond is called as polar covalent bond.Since, oxygen is more electronegative atom than carbon, therefore, shared electrons will slightly shift towards oxygen and make it a partially negatively charged and carbon atoms will become partially positive charge and bond between carbon and oxygen will cause the formation of a dipole where oxygen is at the negative end of the dipole and carbon is at the positive end of the dipole.Since, there is no element of symmetry in the molecule that can divide this molecule into two equal parts, therefore, it is fair to call it an asymmetrical molecule.

Answered: Ethyl acetate, CH3CO₂CH₂CH3, is…

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Ethyl acetate, CH3CO₂CH₂CH3, is commonly used as a solvent and nail-polish remover.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

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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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21)

negative
symmetrical
positive
rich
poor
asymmetrical
The O atoms are electron
(blue). The molecule is
each bond dipole.
(red), while the rest of the molecule is electron
, each O atom is at the
end of

Ethyl acetate, CH3CO₂CH₂CH3, is commonly used as a solvent and nail-polish
remover.

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