The Forward Rate Constant, K_f, and Reverse Rate Constant, K_r

question 54

Multiple Choice

The forward rate constant, k_f, and reverse rate constant, k_r, for a chemical reaction are not equal. Which of the following must be true?

• A)The reaction will be unable to achieve equilibrium.
• B)k_f and k_r will become equal as equilibrium is approached, owing to concentration changes.
• C)k_f and k_r will become equal as equilibrium is approached, owing to temperature changes.
• D)k_f and k_r will remain unequal but the rates will become equal, owing to concentration changes.
• E)k_f and k_r will remain unequal but the rates will become equal, owing to temperature changes.

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Definitions:

Materials Required

The list of all items and substances needed to complete a manufacturing process, project, or operation.

Planning Bills

A material grouping created in order to assign an artificial parent to a bill of material; also called “pseudo” bills, kitted material, or kits.

Modular Bills

A breakdown of components and assemblies needed to produce an item, organized in a hierarchical structure that supports efficient changes and updates.

Phantom Bills

An imaginary bill of materials used in manufacturing to simplify complex assemblies and compositions without altering inventory levels.