11) Enthalpy changes for an endothermic reaction are given as a negative sign. True False 12) According to Hess's Law, if the coefficients of a chemical equation are altered by multiplying or dividing by a constant factor, then the AH° is altered the same way. True False 13) The overall order of reaction is the product of the individual orders of reaction for each reaction. True False 14) An ineffective collision is one that has sufficient energy and correct orientation so that the reaction can proceed. True False 15) The activated complex is an unstable chemical species containing partially broken and partially formed bonds. True False
11) Enthalpy changes for an endothermic reaction are given as a negative sign. True False 12) According to Hess's Law, if the coefficients of a chemical equation are altered by multiplying or dividing by a constant factor, then the AH° is altered the same way. True False 13) The overall order of reaction is the product of the individual orders of reaction for each reaction. True False 14) An ineffective collision is one that has sufficient energy and correct orientation so that the reaction can proceed. True False 15) The activated complex is an unstable chemical species containing partially broken and partially formed bonds. True False
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter16: Thermodynamics: Directionality Of Chemical Reactions
Section16.5: Entropy And The Second Law Of Thermodynamics
Problem 16.5CE: The reaction of carbon monoxide with hydrogen to form methanol is quite slow at room temperature. As...
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Transcribed Image Text:11) Enthalpy changes for an endothermic reaction are given as a negative sign.
True
False
12) According to Hess's Law, if the coefficients of a chemical equation are altered by multiplying or dividing
by a constant factor, then the AH° is altered the same way.
True
False
13) The overall order of reaction is the product of the individual orders of reaction for each reaction.
True
False
14) An ineffective collision is one that has sufficient energy and correct orientation so that the reaction can
proceed.
True
False
15) The activated complex is an unstable chemical species containing partially broken and partially formed
bonds.
True
False
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