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A phase change is when matter changes to from one state (solid, liquid, gas, plasma) to another. (see figure 1). These changes occur when sufficient energy is supplied to the system (or a sufficient amount is lost), and also occur when the pressure on the system is changed.
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Answer:
A phase change is when the matter changes to from one state to another
:QUESTION
when does a phase change occurs in matter?
~it occurs when sufficient energy is supplied to the system or a sufficient amount is lost, and pressure on the system is changed.
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