Select the word from the list that best fits the definition, the amount of energy that is needed to melt 1 kg of a substance a. heat b. work c. entropy d. heat of fusion e. heat of vaporization

Heat of Fusion can turn a solid substance to a liquad substance

The amount of energy that is needed to melt 1 kg of a substance is known as heat of fusion

Explanation:

Fusion, as a physical process, can be represented as a phase transition (solid to liquid). Therefore, the latent heat of fusion is the change of enthalpy when a substance absorbs energy and passes from a solid state to a liquid at a constant pressure. The difference in intermolecular forces in a liquid phase has an internal energy much greater than a solid one, so solid substances need to absorb heat to melt them and become liquid

d. in sexual reproduction, offspring have more chromosomes than

either parent.

asexual reproduction results in offspring which are genetically the same as the parent organism (not counting a rare mutation). sexual reproduction produces a random mixture of the genetics derived from both parents

explanation:

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