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Figure number:
File name:		 04-15
fg04_15.jpg		      
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Title: Conservation of Energy
Caption: The physical change of state from water to steam, and the reverse process, involve the same amount of energy.
Notes: Energy is conserved: The energy absorbed by the water as it vaporizes is equal to the energy released by the water as it condenses.
Keywords: water,energy,physical-change,conservation,heat