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Which of the following changes the value of Keq? adding water adding product adding heat adding reactant

Which of the following changes the value of Keq? adding water adding product adding heat adding reactant

Organic Chemistry: A Guided Inquiry
Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter4: Polar Bonds, Polar Reactions
Section: Chapter Questions
Problem 23E: Summarize the relationship between pKa and acid strength by completing the following sentences: a....
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Which of the following changes the value of Keq? adding water adding product adding heat adding reactant
Transcribed Image Text:Which of the following changes the value of Keq? adding water adding product adding heat adding reactant
A student was doing an equilibrium reaction in lab and found that the reactant A had an absorbance value of 0.615. The product had an absorbance value of 0.233, and at equal amounts of reactants and products had an absorbance value of 0.350. Starting at equal amounts of reactants and products, the student then tinkered with the reaction in a variety of ways. Below is a table of their results: Variable Absorbance Value 0.541 Added more reactant Cooled in ice Which of the following is true? I. The reaction is exothermic II. The reaction is endothermic III. You cannot determine if the reaction is endo/exothermic 0.263 Which of the following is the best explanation? a. Increased absorbance = increased products b. Increased absorbance = increased reactants c. Decreased absorbance = increased products d. Decreased absorbance = increased reactants I and a Il and b ||| Il and c I and c
Transcribed Image Text:A student was doing an equilibrium reaction in lab and found that the reactant A had an absorbance value of 0.615. The product had an absorbance value of 0.233, and at equal amounts of reactants and products had an absorbance value of 0.350. Starting at equal amounts of reactants and products, the student then tinkered with the reaction in a variety of ways. Below is a table of their results: Variable Absorbance Value 0.541 Added more reactant Cooled in ice Which of the following is true? I. The reaction is exothermic II. The reaction is endothermic III. You cannot determine if the reaction is endo/exothermic 0.263 Which of the following is the best explanation? a. Increased absorbance = increased products b. Increased absorbance = increased reactants c. Decreased absorbance = increased products d. Decreased absorbance = increased reactants I and a Il and b ||| Il and c I and c
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