Pentane (C₅H₁₂)reacts with Oxygen Gas (O₂)to Form Carbon Dioxide (CO₂)and

question 5

Multiple Choice

Pentane (C₅H₁₂) reacts with oxygen gas (O₂) to form carbon dioxide (CO₂) and water (H₂O) according to the following reaction.What is the coefficient for water in the balanced equation? C₅H₁₂ + ?O₂ → ?CO₂ + ?H₂O

• A) 2
• B) 4
• C) 5
• D) 6
• E) 8

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion of a set of values.

Mean

A numerical metric that denotes the central value of a numerical array, determined by summing all the elements in the array and then dividing by the count of those elements.

Internal Reliability

A measure of consistency among multiple items or parts of a test or measurement tool.

Questionnaire

A set of written questions used for collecting information from respondents.