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Description
At the end of this activity, students should be able to: – define a phase and a phase change – describe and analyse cooling and heating curves – explain phase changes in terms of the kinetic theory – define melting and boiling points – describe melting and freezing processes in terms of dynamic equilibrium – explain the process of vaporisation and the existence of vapour pressure – tell the difference between vaporisation and boiling – explain why boiling point depends on external pressure – describe sublimation and deposition.
