Which of the Following Is Always Necessary for a Chemical

question 19

Multiple Choice

Which of the following is always necessary for a chemical reaction to occur between two reactants, A and B?

• A)Equal amounts of A and B must be present
• B)A and B must be present in the same physical state
• C)The reaction must be carried out at a temperature higher than room temperature
• D)A and B must collide with the proper orientation and with a certain minimum amount of energy

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Definitions:

Marginal Revenue Product

The additional revenue generated from using one more unit of a factor of production.

Marginal Expenditure

The supplementary cost resulting from acquiring an extra unit of a good or service.

Economic Rent

Economic rent is the excess payment made to or received by a factor of production over and above what would have been needed to bring that factor into production.

Competitive Factor Market

A market for inputs where firms purchase resources necessary for production, characterized by many sellers and buyers.