For the Reaction: C₂H₄Br₂ + 3 KI → C₂H₄

question 28

Multiple Choice

For the reaction: C₂H₄Br₂ + 3 KI → C₂H₄ + 2 KBr + KI₃,when the rate of disappearance of C₂H₄Br₂ is 2.0 × 10^-5 M/s,what is the rate of appearance of KBr?

• A)0.67 × 10^-5 M/s
• B)2.0 × 10^-5 M/s
• C)4.0 × 10^-5 M/s
• D)6.0 × 10^-5 M/s
• E)1.0 × 10^-5 M/s

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Definitions:

Experimenter Bias

A form of bias introduced by the experimenter whose expectations about the outcome of the experiment can be subtly communicated to the participants.

Confounds

Variables that the researcher failed to control, or eliminate, damaging the internal validity of an experiment.

Double-Masked Design

A research study design in which neither the participants nor the researchers know who is receiving a particular treatment to prevent bias.

Antipsychotic Drug

Medication primarily used to manage psychosis, including delusions, hallucinations, and disorders such as schizophrenia.