Potential Energy Diagram Answer the questions using the graph. Is the reaction endothermic or exothermic? Exothermic, the energy at the end is lower than the potential energy so the reaction is exothermic (releasing energy) Potential Energy What letter represents the potential energy of the reactants? letter b What letter represents the potential energy of the products? letter f What letter represents the heat of reaction (A H)? Reaction Coordinate A +B • C+ D+ energy letter d What letter represents the activation energy of the forward reaction? letter a What letter represents the activation energy of the reverse reaction? letter e What letter represents the energy of the activated complex? letter c Is the reverse reaction endothermic or exothermic? endothermic If a catalyst were added, what letter(s) would change? The letters that would change are a,c,e If the PE of the reactants is 430kJ and the PE of the products is 190KJ. What is the ДH? If the PE of the reactants is 430kJ and the activation energy is 220, how much TOTAL energy will be needed to be added for the reaction to proceed?
Potential Energy Diagram Answer the questions using the graph. Is the reaction endothermic or exothermic? Exothermic, the energy at the end is lower than the potential energy so the reaction is exothermic (releasing energy) Potential Energy What letter represents the potential energy of the reactants? letter b What letter represents the potential energy of the products? letter f What letter represents the heat of reaction (A H)? Reaction Coordinate A +B • C+ D+ energy letter d What letter represents the activation energy of the forward reaction? letter a What letter represents the activation energy of the reverse reaction? letter e What letter represents the energy of the activated complex? letter c Is the reverse reaction endothermic or exothermic? endothermic If a catalyst were added, what letter(s) would change? The letters that would change are a,c,e If the PE of the reactants is 430kJ and the PE of the products is 190KJ. What is the ДH? If the PE of the reactants is 430kJ and the activation energy is 220, how much TOTAL energy will be needed to be added for the reaction to proceed?
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
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1. If the PE of the reactants is 430kJ and the PE of the products is 190kJ. What is the ΔH?
...
2. If the PE of the reactants is 430kJ and the activation energy is 220, how much TOTAL energy will be needed to be added for the reaction to proceed?
Transcribed Image Text:Potential Energy Diagram
Answer the questions using the graph.
Is the reaction endothermic or
exothermic?
Exothermic, the energy at the end is lower
than the potential energy so the reaction
is exothermic (releasing energy)
Potential
Energy
What letter represents the potential
energy of the reactants?
letter b
What letter represents the potential
energy of the products?
C+
letter f
What letter represents the heat of
reaction (A H)?
Reaction Coordinate :
A +B - C+D+ energy
letter d
What letter represents the activation energy of the forward reaction?
letter a
What letter represents the activation energy of the reverse reaction?
letter e
What letter represents the energy of the activated complex?
letter c
Is the reverse reaction endothermic or exothermic?
endothermic
If a catalyst were added, what letter(s) would change?
The letters that would change are a,c,e
If the PE of the reactants is 430kJ and the PE of the products is 190KJ. What is
the AH?
If the PE of the reactants is 430kJ and the activation energy is 220, how much
TOTAL energy will be needed to be added for the reaction to proceed?
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