Determine the Vapour Pressure (In Mbar) of a Substance at 36

question 2

Multiple Choice

Determine the vapour pressure (in mbar) of a substance at 36 °C whose normal boiling point is 84 °C and has a Δ_vapH of 22.1 kJ mol^-1.

• A) 319 mbar
• B) 31.8 mbar
• C) 41.8 mbar
• D) 147 mbar
• E) 98 mbar

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Definitions:

Degrees Of Freedom

The quantity of independent values or measures that can be allocated to a statistical distribution.

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis; it is the threshold at which the level of significance is set.

Regression Analysis

A statistical method for estimating the relationships among variables, often used to predict the value of one variable based on others.

Independent Variables

Variables in an experimental setup that are changed or controlled to test their effects on dependent variables.