The Combustion of 1 Mole of Octane,C₈H₁₈(l),to Produce Carbon Dioxide

question 69

Multiple Choice

The combustion of 1 mole of octane,C₈H₁₈(l) ,to produce carbon dioxide and liquid water has H_r = 5471 kJmol^1 at 298 K.What is the change in internal energy for this reaction?

• A)(  5460 kJ  mol ^{ 1} )
• B)(  5482 kJ  mol ^{ 1} )
• C)(  5449 kJ  mol ^{ 1} )
• D)(  5471 kJ  mol ^{ 1} )
• E)(  5493 kJ  mol ^{ 1} )

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Definitions:

Null Hypothesis

A default hypothesis that there is no significant difference or relationship between specified populations or variables.

Operating Characteristic

A function or curve that describes the discerning capacity of a statistical test, defining the probabilities of accepting a hypothesis over a range of values.

Sample Size

The number of individuals or observations used in a study, affecting its power and the precision of the results.

Type II Error

A statistical error that occurs when a false null hypothesis is not rejected, missing an actual effect or difference.