What Is the Density of Helium Gas at 750 KPa $\circ$

question 27

Multiple Choice

What is the density of helium gas at 750 kPa and 25 ^$\circ$ C?

• A)2.42 g.L^-1
• B)1.21 g.L^-1
• C)0.605 g.L^-1
• D)0.161 g.L^-1
• E)0.0120 g.L^-1

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Definitions:

Median

The middle value in a sorted list of numbers, which divides the data set into two halves.

IQR

Interquartile range, a measure of statistical dispersion being the difference between the 75th and 25th percentiles, or quartiles, in a data set.

Range

The difference between the highest and lowest values in a data set, giving an indication of the data's dispersion or variability.

Median

The middle value in a set of numbers, which separates the higher half from the lower half.