Unsaturated Fatty Acids Have Lower Melting Points Than Saturated Fatty

question 38

Multiple Choice

Unsaturated fatty acids have lower melting points than saturated fatty acids because ________.

• A)they have fewer hydrogen atoms
• B)they have more hydrogen atoms
• C)their molecules fit closely together
• D)the cis double bonds give them an irregular shape
• E)the trans double bonds give them an irregular shape

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Definitions:

Heat

A form of energy associated with the movement of atoms or molecules and capable of being transmitted through solid and fluid media by conduction, convection, or radiation.

Flashover

Flashover is a phenomenon in fire dynamics where nearly simultaneous ignition of all combustible materials in an enclosed area occurs, drastically increasing the fire spread and intensity.

Combustible Material

Any substance that can ignite and burn, often used in the context of materials that pose a fire risk.

Activation Energy

The minimum amount of energy required to start a chemical reaction, determining the rate at which the reaction proceeds.