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The earth's inner core is solid composed of nickel iron alloy. It is solid despite the very high temperature because of the very high pressure.

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9y ago

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What are the phase changes of matter?

The phase changes of matter are melting (solid to liquid), freezing (liquid to solid), vaporization (liquid to gas), condensation (gas to liquid), sublimation (solid to gas), and deposition (gas to solid). These transitions occur due to changes in temperature and pressure.


What phase changes require the addition of energy?

Phase changes requiring the addition of heat energy are the phase changes from solid to liquid, liquid to gas, and solid to gas. These phase changes are termed melting (solid to liquid), evaporation (liquid to gas), and sublimation (solid to gas).


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What is the normal phase of cesium?

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