Sunday, December 27, 2009

Can you add heat energy to an object without increasing its temperature?

Please explain why or why not. Thank you.Can you add heat energy to an object without increasing its temperature?
Only at phase changes, solid--%26gt;liquid or liquid--%26gt;gas. At those points the heat of fusion or vaporization takes the added heat energy and changes the phase, but the temperature doesn't increase. The energy is used to overcome intra-molecular forces. At any other point, adding heat energy will cause an increase in temperature.Can you add heat energy to an object without increasing its temperature?
Yes, if you are adding energy for it to go through a phase change. For example, it takes energy for water to turn from liquid to gas, not just having it right at 100 C.

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