PCl₅ Can Be Produced by the Reaction PCl₃ + Cl₂

question 4

Multiple Choice

PCl₅ can be produced by the reaction PCl₃ + Cl₂ → PCl₅.What mass of PCl₃ must be used to produce 127 g of PCl₅ if the percent yield is 84.8%?

• A)71.1 g
• B)83.8 g
• C)98.8 g
• D)108 g
• E)150 g

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Definitions:

Flooding

A behavioral therapy technique used to treat phobias and anxiety disorders by exposing the patient to their fear object or context without any danger, in order to overcome their anxiety.

Classical Conditioning

A learning process that occurs when two stimuli are repeatedly paired; a response that is initially elicited by the second stimulus is eventually elicited by the first stimulus alone.

Research

The systematic investigation and study of materials and sources in order to establish facts and reach new conclusions.

Avoidance Responses

Behaviors aimed at preventing exposure to feared stimuli, which can reinforce anxiety and phobic disorders.