Calculate the Volume of Hydrogen,measured at 19°C and 688 Torr,that

question 20

Multiple Choice

Calculate the volume of hydrogen,measured at 19°C and 688 torr,that will be produced from 0.45 g of sodium in the reaction 2 Na(s) + 2 H₂O( ) → 2 NaOH(aq) + H₂(g) .

• A)1.9 × 10² mL
• B)2.1 × 10² mL
• C)2.3 × 10² mL
• D)2.6 × 10² mL
• E)1.0 × 10³ mL

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Correlation Coefficients

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Correlation Coefficient

A statistical measure that calculates the strength and direction of a linear relationship between two variables on a scatterplot.

Expected Return

The probable return on an investment, considering all possible outcomes and their probabilities, representing the average of all possible returns.

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A measure of the volatility, or systematic risk, of a security or portfolio in comparison to the market as a whole.