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A 5 L diving tank is filled to a pressure of 45 atm with He, and then is topped off with O2 to a total pressure of 50 atm. What is the mole fraction of oxygen in the tank?
Coefficient
A numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g., in linear equations) or a measure of some type of correlation.
Dependent Variable
The outcome factor in an experiment or study, whose changes are influenced by the independent variable(s).
Independent Variable
A variable that is manipulated or controlled in an experiment to test its effect on the dependent variable.
Coefficient of Correlation
A statistical measure that calculates the strength and direction of a linear relationship between two variables on a scatterplot.
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