If a sample of ammonia gas,NH₃,reacts with oxygen and platinum catalyst to give 55.5 L of nitrogen monoxide gas at STP,what mass of ammonia reacted? NH₃(g) + O₂(g) 
NO(g) + H₂O(g)
Definitions:
P-Value
A statistical metric indicating the likelihood of obtaining the observed results when the null hypothesis of a study is true.
F Statistic
A ratio used in ANOVA and regression analysis to determine if the variances between means are statistically significant.
Main Effect
The direct influence of an independent variable on a dependent variable in an experimental design.
Two-Way ANOVA
An extension of the ANOVA that assesses the effect of two different categorical independent variables on one continuous dependent variable.
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