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Praxis II General Science

Category - Physics

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In order for evaporation to occur, which of the following energies must be transferred?

Activation energy
Latent heat of vaporization
Boiling energy
Sun energy
None of the above

Explanation

Answer: B - The latent heat of vaporization is the energy to evaporate a molecule. Basically, at most temperatures water can exist as either a vapor or a liquid. However, the vapor form requires an input of energy to exist, which is called the latent heat of vaporization.

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