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Chemistry 9 Online
OpenStudy (anonymous):

In which phase transition do molecules directly move from state to state involving a vibration of particles in a fixed position to a state involving random movement of high speed particles Evaporation Sublimation Freezing Depostion

OpenStudy (anonymous):

Fixed state means solid Random movement means gas The phase change from solid to gas without first becoming a liquid I believe is sublimation. Think about frozen CO2 (dry ice)

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