The Substance (CH₃CH₂)₂NH Is Considered to Be

question 33

Multiple Choice

The substance (CH₃CH₂) ₂NH is considered to be

• A) a weak acid.
• B) a weak base.
• C) a strong acid.
• D) a strong base.
• E) neither acidic nor basic.

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Definitions:

Residuals

The differences between observed and predicted values in a statistical model, representing the error in predictions.

Homoscedasticity

The condition in which the variance of the residuals or errors in a regression analysis or statistical model is constant across all levels of the independent variable.

Heteroscedasticity

A condition in regression analysis where the variance of errors or the variability of the dependent variable differs across values of an independent variable.

Variance

A measure of the dispersion representing the average of the squared differences from the mean.