A Mixture of He, Ne, and Ar Has a Pressure

question 98

Multiple Choice

A mixture of He, Ne, and Ar has a pressure of 7.85 bar. If the Ne has a mole fraction of 0.47 and Ar has a mole fraction of 0.23, what is the pressure of He?

• A) 4.2 bar
• B) 3.7 bar
• C) 1.8 bar
• D) 5.5 bar
• E) 2.4 bar

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Definitions:

Regression Line

A line that best fits a set of data points, representing the average relationship between an independent variable and a dependent variable.

Sum Of The Squared Residuals

The total value obtained by summing the squares of the differences between observed and predicted values, used in statistical analysis to measure the fit of a model.

Data Points

Individual measurements or observations collected during data gathering.

Residual Term

The difference between observed values and the estimated values in a regression model.