Which of the Molecules in the Figure Have an Empirical

question 126

Multiple Choice

Which of the molecules in the figure have an empirical formula that is different from their molecular formula?

• A)H₂O₂, N₂O₄, and HCO₂H
• B)SiO₂
• C)H₂O₂ and N₂O₄
• D)all of the compounds
• E)none of the compounds

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Definitions:

Sample Sizes

The number of observations or units chosen from a larger population for the purpose of statistical analysis.

Weighted Average

An average resulting from the multiplication of each component by a factor reflecting its importance.

Z-score

A numerical metric indicating how a particular value compares to the average of a dataset, expressed by the number of standard deviations it lies from the mean.

P-value

The likelihood of encountering experimental results that are at least as significant as the actually observed results, given the null hypothesis is assumed to be accurate.