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2 cards from this section. Quick, good the night before a test.
What is latent heat?
Think about what happens when ice melts.
What is the formula for the latent heat of vaporization?
Recall the components of a heat phase change formula.
What is the latent heat of vaporization?
Think about boiling water.
True or False: Latent heat of vaporization causes a temperature increase during a state change.
Recall how energy is used in phase changes.
A 2 kg sample of water is heated from 25°C to boiling and then all of it is turned into steam. Calculate the total energy required, knowing the specific heat of water is 4.18 J/g°C and L_v is 2260 J/g.
Split it into two parts: heating and phase change.
Discuss how the latent heat of vaporization affects the cooling process of sweat on the skin.
Connect evaporative cooling mechanisms with latent heat.
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