Phosphine, PH₃, a Reactive and Poisonous Compound, Reacts with Oxygen

question 4

Multiple Choice

Phosphine, PH₃, a reactive and poisonous compound, reacts with oxygen as follows: 4PH₃(g) + 8O₂(g) → P₄O₁₀(s) + 6H₂O(g) If 9.2 moles of phosphine react with sufficient oxygen, how many moles of P₄O₁₀ should form?

• A)4.0 moles
• B)9.2 moles
• C)37 moles
• D)2.3 moles
• E)6.0 moles

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Definitions:

Statistical Forecasting

The process of using statistical methods to predict future values based on past data and trends.

Causal Analysis

A method of identifying and evaluating the factors that cause a particular outcome or event.

Curvilinear Extrapolation

A forecasting technique that projects future data points by extending a curve that represents past data trends, accounting for changes in direction or rate.

Marketing Experiment

A research method where variables are manipulated in a controlled environment to test hypotheses about marketing strategies or consumer behavior.