At 20°C, a Sample of Gas Has a Volume of 2.51

question 22

Multiple Choice

At 20°C, a sample of gas has a volume of 2.51 L at 795 torr. What is the new pressure (in atm) if the volume is increased to 6.46 L at the same temperature?

• A) 2.69 atm
• B) 0.813 atm
• C) 0.406 atm
• D) 309 atm
• E) 2050 atm

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Definitions:

Standard Deviation

A statistic that measures the dispersion or variability of a dataset relative to its mean.

Raw Score

An original, unmodified score obtained in a measurement or test.

Normal Curve

Another term for a normal distribution, characterized by its bell-shaped curve where most observations cluster around the central peak and the probabilities for values further away from the mean taper off equally in both directions.

Mean

The arithmetic average of a set of values, found by dividing the sum of all values by the number of values.