lab midterm study

28 flashcardsby Stremaid
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1
precipitate
a solid that forms when substances react in a solution
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Soluble
able to dissolve in a solvent
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insoluble
does not dissolve appreciably in a solvent
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solute
substance being dissolved
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Solvent
substance doing the dissolving
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Solution
a homogenous mixture of solid and solve it
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what is an ion
an atom or group of atoms with an electrical charge
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cation
positive charge, Forms when an atom loses electrons
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anion
negative charge, Forms when an atom gains electrons
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ionic compound
metal + nonmetal // I.e NaCl
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covalent compound
nonmetal + nonmetal // I.e CO2
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acid
proton (H) donor
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Base
Proton (H) acceptor
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strong acid
completely ionizes in water
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weak acid
partially ionizes in water
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strong base
completely ionizes in water
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weak base
partially ionizes in water
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titration
method for determining the concentration of a solution by reacting it with another solution whose concentration is known
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hydrate
compound that contains a specific number of water molecules within its crystal structure
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aqueous solution
solution in which water is the solvent
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saturated solution
solution containing the maximum amount of dissolved solute at a given temperature // equilibrium w/ undissolved particles
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unsaturated solution
solution that can dissolve more solute at a given temperature
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supersaturated solution
solution containing more dissolved solute than normally possible at a given temperature
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colloidal solution
a mixture containing tiny dispersed particles that do not readily settle out
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emulsion
a colloid in which tiny droplets of one liquid are dispersed in another liquid (i.e oil in water)
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ion formation
an atom (or group) becomes charged by gaining or losing electrons
27
Celsius to Fahrenheit formula
F= (C x 1.8) +32
28
Fahrenheit to Celsius formula
C= (F-32) / 1.8
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