Which of These Statements Accurately Describes Latent Heat Is Required

question 41

Multiple Choice

Which of these statements accurately describes latent heat is required in order to change water from the liquid to the vapour state?

• A)Water molecules form a crystal structure, and it takes energy to break up this structure.
• B)Molecules in the liquid phase must reach the boiling point of water before they can escape.
• C)The hydrogen bonds between different water molecules must be broken to allow evaporation.
• D)The additional energy is required to raise the mean speed of molecules high enough to escape the liquid.

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Definitions:

Unemployment Rate

The percentage of the labor community that is jobless and in active pursuit of employment.

Cyclical Unemployment

Joblessness attributable to fluctuations in the economic cycle, such as recessions, leading to reduced demand for goods and services.

Unemployment Rate

The proportion of the employable population that is not working but actively looking for work.

Recovery Phase

A stage of the economic cycle where activity starts increasing again after a downturn, leading to higher employment and output levels.