A Closed-End Manometer Was Attached to a Vessel Containing Argon

question 4

Multiple Choice

A closed-end manometer was attached to a vessel containing argon. The difference in the mercury levels in the two arms of the manometer was 9.60 cm.Atmospheric pressure was 783 mm Hg.The pressure of the argon in the container was ________ mm Hg.

• A)96.0
• B)661
• C)773
• D)793
• E)882

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Definitions:

Dependent Variable

In experimental and statistical research, the variable that is being tested and measured to see if it is affected by changes in the independent variable.

Independent Variable

The variable that is manipulated or changed in an experiment to test its effects on the dependent variable.

Demand Characteristics

Any aspects of a study that communicate to the participants how the experimenter wants them to behave.

Validity

The extent to which a test, measurement, or research accurately represents what it aims to measure.