Which of the Following Is True About Normal Alkanes

question 25

Multiple Choice

Which of the following is true about normal alkanes?

• A) They all exhibit strong hydrogen bonding with one another and with water.
• B) They all contain carbon, hydrogen, and oxygen in consistent ratios.
• C) Some are gases, some are liquids, and some are solids at room temperature.
• D) Some are yellow, some are red, and some are blue, depending on the chain length.
• E) They have the formula C_nH_2n+2 if they are linear or branched or C_nH_2n if they are cyclic.

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Definitions:

Least Squares Regression Line

A straight line that minimizes the sum of the squared differences between observed and predicted values in a dataset.

Slope

In the context of a linear equation, slope represents the rate of change between two variables, indicating how much one variable changes for a unit change in another variable.

Predicted Value

The estimated outcome based on a statistical model or regression analysis.

Least Squares Regression Line

This is a straight line that best fits the data on a scatter plot, minimizing the sum of the squares of the vertical distances of the points from the line.