The Following Reaction in Aqueous Solution Was Found to Be

question 69

Multiple Choice

The following reaction in aqueous solution was found to be first order in [OH^-], first order in [C₂H₅Br], and inverse first order in Br^-.
C₂H₅Br + OH^-  C₂H₅OH + Br^-
Which one of the following mechanisms is consistent with the observed reaction order?

• A)C₂H₅Br C₂H₅⁺ + Br^- fast C₂H₅⁺ + OH^- C₂H₅OH slow
• B)C₂H₅Br +H₂O C₂H₅OH + H⁺ + Br^- slow H⁺ + OH^- H₂O fast
• C)C₂H₅Br C₂H₅⁺ + Br^- slow C₂H₅⁺ + OH^- C₂H₅OH fast
• D)C₂H₅Br C₂H₅⁺ + Br^- slow OH^- + Br^- HOBr fast HOBr + C₂H₅⁺ C₂H₅OH + Br^- fast

Understand the differences and applications of various experimental designs in behavioral research (alternating treatments, changing conditions, A-B design, multiple baseline, changing criterion).

Recognize the importance and methodology of establishing a baseline before implementing interventions.

Comprehend the role of graphing in analyzing and providing immediate feedback on behavior.

Identify the steps and considerations in implementing a changing criterion design.

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Definitions:

PTOs

Paid Time Off; a policy that combines vacation, sick leave, and personal leave into a single bank of days for employees to use at their discretion.

Work-Life Balance

The equilibrium between personal life and career work, where neither is neglected.

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Cooperative initiatives between employers and government agencies to implement or enhance safety and health management systems at workplaces.

Health Insurance

An insurance policy that covers the cost of medical and surgical bills for the person insured.