Regents Chemistry Unit 3

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What phase of matter are atoms locked into a regular geometric pattern called a crystal lattice?

Which process is exothermic?

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

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

What term is used to describe the forces of attraction that exist between molecules?

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

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?

When solving gas law problems, what units must the temperature be expressed in? Kelvin