5. Define the following:
(a) Boiling (b) Vaporisation c)Melting
(d) Deposition (e) Evaporation.
Answers
Answer:
Boiling is defined as a phase transition from the liquid state to the gas state, usually occurring when a liquid is heated to its boiling point. At the boiling point, the vapor pressure of the liquid is the same as the external pressure acting upon its surface.
Evaporation is when a liquid becomes a gas without forming bubbles inside the liquid volume. If bubbles are formed we are talking instead about "boiling". For example, water left in a bowl will slowly disappear. The water evaporates into water vapor, the gas phase of water. The water vapor mixes with the air.
Melting is the process by which a substance changes from the solid phase to the liquid phase. ... Melting occurs when the internal energy of a solid increases, usually through the application of heat or pressure, such that the molecules become less ordered.
A deposition is a witness's sworn out-of-court testimony. It is used to gather information as part of the discovery process and, in limited circumstances, may be used at trial. The witness being deposed is called the "deponent."
Vaporization is the process that occurs when a chemical or element is converted from a liquid or a solid to a gas. When a liquid is converted to a gas, the process is called evaporation or boiling; when a solid is converted to a gas, the process is called sublimation.
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