Which of the Following Affects the Activation Energy of a Reaction

question 46

Multiple Choice

Which of the following affects the activation energy of a reaction?

• A)Temperature of the reactants
• B)Concentrations of reactants
• C)Presence of a catalyst
• D)Surface area of reactants
• E)Reaction progress

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Definitions:

R/Min

Revolutions per minute, a unit of rotational speed indicating the number of full rotations completed in one minute by a mechanical component.

Gear Ratio

The ratio of the number of teeth on two meshing gears, denoting the speed and torque relationship between them.

Circular Thickness

The width measured along the circumference of an object, often relevant in gears or circular parts.

Pitch Diameter

The effective diameter of a screw thread, halfway between the major and minor diameters, crucial for thread engagement and measurement.