Question

which of the following process/processes release energy in the form of heat?

1. Condensation
2. Vaporisation
3. Freezing
4. Melting

a. Only 1
b. Only 4
c. 1 & 3
d. 2 & 4​

Answer 1

Answer:

option C is the correct answer

Answer 2

c. 1 & 3 processes release energy in the form of heat.

Condensation:

• The transformation of water vapor into liquid is known as condensation.
• The process is the opposite of evaporation, in which liquid water turns into vapor.
• Either the air is chilled to its dew point or it gets too saturated with water vapor to retain any more water, causing condensation to occur.
• Condensation, which is the opposite of vaporization, is the transformation of matter from its gaseous state into its liquid state.
• The water cycle is the most frequent use of the phrase.

Freezing:

• When a liquid's temperature drops below its freezing point, a phase transition known as freezing, often referred to as solidification occurs.
• When a liquid turns into a solid, the process is known as freezing.
• When heat is removed from an object, freezing results because the molecules slow down and create tighter connections.
• When water turns into ice, this is an illustration of freezing.
• The opposite of melting is freezing, which is one step removed from evaporation.

Vaporization:

• A phase change from the liquid phase to the vapor phase is called vaporization (or vaporization) of an element or molecule.
• Both evaporation and boiling result in vaporization.
• Boiling is a bulk phenomenon, whereas evaporation is a surface phenomenon.
• vaporization is the process by which a substance is transformed from its liquid or solid state into its gaseous (vapor) state.
• Boiling is the term for the vaporization process when conditions permit the creation of vapor bubbles within a liquid.
• Sublimation is the process of directly converting a solid into a vapor.

Melting:

• A physical process called melting or fusing causes a substance to change its phase from a solid to a liquid.
• This happens when the solid's internal energy rises, usually as a result of heat or pressure being applied, which raises the substance's temperature to the melting point.

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