Which of the Following Equations Is Not Balanced

question 31

Multiple Choice

Which of the following equations is not balanced?

• A)C₇H₁₆ + O₂ → 7 CO₂ + 8 H₂O
• B)K₂CrO₄ + Pb(NO₃)₂ → 2 KNO₃ + PbCrO₄
• C)4 Fe₃O₄ + O₂ → 6 Fe₂O₃
• D)3 AgNO₃ + (NH₄)₃PO₄ → Ag₃PO₄ + 3 NH₄NO₃
• E)2 Al₂O₃ → 4 Al + 3 O₂

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Definitions:

F Statistic

A ratio used in statistical analysis to determine the relationship between variances and to test hypotheses about the means of several populations.

Alternative Hypothesis

In statistical hypothesis testing, it is the hypothesis that suggests there is a difference or effect, in contrast to the null hypothesis which suggests no effect or difference.

Population Mean

The average characteristic or measure of a total population, representing a central or typical value of the population data.

Common Standard Deviation

A measure used in the context of comparing groups that assumes all groups have the same standard deviation, often used in analyses such as ANOVA.