Ammonia Will React with Oxygen in the Presence of a Copper

question 21

Multiple Choice

Ammonia will react with oxygen in the presence of a copper catalyst to form nitrogen and water. From 164.5°C to 179.0°C, the rate constant increases by a factor of 4.27. What is the activation energy of this oxidation reaction?

• A) 24.5 kJ/mol
• B) 165 kJ/mol
• C) 242 kJ/mol
• D) 1630 kJ/mol
• E) > 10⁴ kJ/mol

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Definitions:

Interaxle Differential

Differential gearing used between the drive axles on a tandem drive, highway tractor; divides torque between the two drive axles. Also known as a power divider.

Drive Wheel

A wheel of a vehicle that receives power from the engine or motor to move the vehicle forward or backward.

Spinout

A situation where a vehicle loses traction, causing it to rotate uncontrollably.

Power Divider

A mechanical device in vehicles, particularly in heavy-duty trucks, that splits the driving force between the front and rear axles to improve traction.