When the Following Equation Is Balanced,the Coefficients Are ________

question 136

Multiple Choice

When the following equation is balanced,the coefficients are ________. Al(NO₃) ₃ + Na₂S → Al₂S₃ + NaNO₃

• A)2, 3, 1, 6
• B)2, 1, 3, 2
• C)1, 1, 1, 1
• D)4, 6, 3, 2
• E)2, 3, 2, 3

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Definitions:

Two-Tailed

Pertains to a test of significance where the critical area of a distribution is two-sided and tests whether a sample is either greater than or less than a certain range of values.

Degrees Of Freedom

The number of values in a statistical calculation that are free to vary without violating the constraints of the calculation.

Critical Values

Specific points on the scale of a test statistic beyond which the null hypothesis is rejected in favor of the alternative hypothesis.

Two-Tailed

A hypothesis test that allows for the possibility of an effect in two directions, either less than or greater than a specified range.