A Liquid Boils When Its

question 135

Multiple Choice

A liquid boils when its

• A) vapor pressure is exactly 1 atmosphere.
• B) vapor pressure is equal to or greater than the external pressure.
• C) temperature is equal to 273 K (standard temperature).
• D) temperature is greater than room temperature.
• E) thermal energy is equal to the heat of vaporization.

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Definitions:

Degradable Wastes

Wastes that can break down into less harmful components over time through biological processes.

Dissolved Oxygen

The amount of oxygen gas dissolved in water, essential for the respiration of aquatic life.

Sewage Treatment

A process of removing contaminants from wastewater, primarily from household sewage, to produce an effluent that is suitable for discharge or reuse.

Toxic Chemicals

Substances that cause harm to living organisms through chemical reactions or other processes.