States of Matter Solid Liquid Gas A change in state always involves a change in temperature (average...
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Transcript of States of Matter Solid Liquid Gas A change in state always involves a change in temperature (average...
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States of Matter
• Solid• Liquid• Gas
• A change in state always involves a change in temperature (average kinetic energy)
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Solid
• Particles – –Very close together –Organized arrangement– “vibrate” in place– Lowest energy –Condensed state (low energy)–Definite shape and volume
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Liquid
• Particles – –Medium distance apart – “slide over” each other – Slightly higher energy –Condensed state – (low energy) – Indefinite shape and Definite volume
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Gas
• Particles – –Very far apart –Collide with each other –Highest energy – Indefinite shape and Indefinite volume
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Gas
• Particles – –Very far apart –Collide with each other –Highest energy – Indefinite shape and Indefinite volume
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Solution
• a mixture of two or more substances that is identical throughout, small particles
• can be physically separated• composed of solutes and solvents
the substance in the smallest amount and the one that dissolves in the solvent
the substance in the larger
amount that dissolves the solute
Iced Tea Mix(solute)
Water(solvent)
Iced Tea(solution)
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Parts of a Solution
• Solution- A homogenous mixture of two or more substances in a single physical state
Ex. salt water or pop
• Solvent- Substance that does the dissolving in a solution (water)
• Solute- Substance that is dissolved in a solvent to form a solution (salt or
sugar)
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Aqueous Solution
• Water as the solvent
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Concentration • a measure of the amount of solute
dissolved in a given quantity of solvent
•described as dilute if it has a low of solute (light)
•described as saturated if it has a maximum amount of solute (normal)
•described as concentrated if contains a lot of solute (dark)
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How Much Will Dissolve?• Solubility• -is the max amount of solute that will dissolve
at a specific/given temperature. • The units for solubility are:
grams of solute/100 grams solvent
• Saturated solution- • -Contains the maximum amount of solute
dissolved.
• Unsaturated solution- • -Can still dissolve more solute
• Supersaturated solution- • solution that is holding (or dissolving) more
than it theoretically can; a “seed crystal” will make it come out