Exam 3: Acids and Bases

A) enthalpy and heat content
B) endothermic reaction and + $\Delta$ H
C) exothermic reaction and - $\Delta$ H
D) kinetic energy and energy of motion
E) high energy and high stability

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A) CH₃Li + CH₃CH₂OH $\to$ CH₄ + CH₃CH₂OLi
B) HC $\equiv$ CH + NaOH $\to$ HC $\equiv$ CNa + H₂O
C) HC $\equiv$ CNa + H₂O $\to$ HC $\equiv$ CH + NaOH
D) CH₃OH + NaH $\to$ CH₃ONa + H₂
E) CH₃CO₂H + CH₃ONa $\to$ CH₃CO₂Na + CH₃OH

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A) I > IV > II > V > III
B) II > IV > I > V > III
C) II > IV > V > I > III
D) IV > I > II > V > III
E) IV > II > I > V > III

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Benzoic acid reacts with aqueous NaOH to...

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A) C₆H₁₂ pK_a = 52
B) CH₃CH₃ pK_a = 50
C) CH₃CH₂OH pK_a = 18
D) CH₃CO₂H pK_a = 5
E) CF₃CO₂H pK_a = 0

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The specified hydrogen is attached to an...

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A) The reaction is an exothermic reaction and $\Delta$ H is approximately zero.
B) The reaction is an endothermic reaction and $\Delta$ H is negative.
C) The reaction is an exothermic reaction and $\Delta$ H is negative.
D) The reaction is an exothermic reaction and $\Delta$ H is positive.
E) None of these choices.

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