A Catalyst

question 68

Multiple Choice

A catalyst

• A) requires more reactants but makes the reaction rate faster.
• B) increases the amount of reactants produced but does not change the rate.
• C) changes the rate of the reaction but does not change the end amount of products.
• D) changes both the rate of a reaction and the amount of the product that will be obtained as the reaction is completed.

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Definitions:

ABS

Anti-lock Braking System, a safety system that prevents the wheels from locking up and skidding during braking, maintaining steering control.

PCM

Powertrain Control Module, an automotive component that integrates the control of the engine's ignition, fuel injection, and transmission systems.

BCM

Body Control Module, an electronic control unit in a vehicle that manages various functions such as interior lighting, door locks, and windows.

Scanning Tool

A device used in automotive diagnostics to read and clear trouble codes, monitor real-time data, and perform system tests.