What Is the Average Kinetic Energy of an Ideal Gas

question 14

Multiple Choice

What is the average kinetic energy of an ideal gas molecule at 569°C? (The Boltzmann constant is 1.38 × 10^-23 J/K.)

• A)1.74 × 10^-20 J
• B)5.81 × 10^-21 J
• C)1.18 × 10^-17 J
• D)3.93 × 10^-19 J

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Definitions:

2,2-Dimethylbutane

A branched alkane with the formula C6H14, characterized by two methyl groups attached to the second carbon atom in a butane chain.

Newman Projection

A method of projecting a molecule, showing a carbon-carbon bond axis front to back, displaying the spatial relationships of groups attached to those carbons.

Stable Conformation

The most energetically favorable spatial arrangement of atoms in a molecule.

2-Methylpropane

An alkane with the chemical formula C4H10, also known as isobutane, characterized by a branched structure.