The Fraction of the Total Moles of Gas in a Gas

question 20

Multiple Choice

The fraction of the total moles of gas in a gas mixture is called the

• A) mole fractional concentration.
• B) volume fractional concentration.
• C) partial pressure.
• D) absorption coefficient.

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Definitions:

Confounding

An uncontrolled variable varies systematically with an independent variable; it is impossible to separate the effect of the independent variable from the confounding variable.

Independent Variable

The variable in an experiment that is manipulated by the researcher to observe its effect on the dependent variable.

Uncontrolled Variable

An uncontrolled variable is a factor that can affect the outcome of an experiment but is not kept constant or limited by the researcher.

Malpractice

The failure of a professional to meet the accepted standards of their profession, resulting in harm to their client or patient.