A Gas-Filled Vertical Cylinder, Closed at the Bottom End, Is

question 58

Multiple Choice

A gas-filled vertical cylinder, closed at the bottom end, is fitted at the top with a piston that can move freely. The mass of the piston is 10.0 kg, and the initial height of the piston above the bottom of the cylinder is 25 cm. A mass of 8.0 kg is placed on the piston. What is the resulting height of the piston, assuming that the temperature of the ideal gas is kept constant?

• A) 16 cm
• B) 12 cm
• C) 14 cm
• D) 15 cm
• E) 13 cm

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Definitions:

API Gravity

A measure of how heavy or light a petroleum liquid is compared to water, used in the oil and gas industry to classify oils.

Pearson Correlation

A measure of the linear relationship between two quantitative continuous variables, ranging from -1 to 1, where 1 means a perfect positive correlation and -1 a perfect negative correlation.

Price Per Barrel

The cost of a barrel of goods, commonly used to denote the cost of a barrel of crude oil in financial markets.

Confidence Interval Estimate

A confidence interval estimate provides a range of values, derived from sample data, that is likely to contain the value of an unknown population parameter, along with a given level of confidence.