Which of the Following Processes Is Endothermic

question 71

Multiple Choice

Which of the following processes is endothermic?

• A)the freezing of water
• B)the combustion of propane
• C)a hot cup of coffee (system)cooling on a countertop
• D)the chemical reaction in a "hot pack" often used to treat sore muscles
• E)the vaporization of rubbing alcohol

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Definitions:

Labor Force

The total number of people who are eligible and able to work, including both the employed and those seeking employment.

Discouraged Workers

People without jobs who have given up looking for work.

Recovery Phase

A stage in the economic cycle where activity is picking up and the economy grows after a recession or downturn.

Recession Phase

Part of the business cycle characterized by a decline in economic activity, marked by falling GDP and rising unemployment.