Regents Chemistry Unit 3

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If a sample of pure water is at phase equilibrium and the water exists in both the liquid and solid phase, what temperature Celsius must the sample be at?

According to kinetic-molecular theory, what does not exist between gas molecules?

Which process is endothermic?

What process is occurring when a substance changes directly from a solid to a gas?

In a phase change diagram, what is occurring when the plotted line is slanted?

What phase of matter has a definite volume but indefinite shape

What term describes the amount of heat energy needed to melt one gram of solid at the substance’s melting point?

Substances with strong intermoleculer attractive forces tend to exist in what phase at room temperature?