Title: Whats the Molarity
1(No Transcript)
2Rates are going up!
Whats the Molarity?
Dont Over-React
Electric Lights
Molarious
Potpourri
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1 mole of silver nitrate in 500 mL
2 M
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3 moles potassium chloride in 2000 mL solution
1.5 M
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12 moles potassium iodide in 10 L solution
1.2 M
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.25 moles silver nitrate in 2.5 L of solution
0.1 M
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0.202 mol KCl in 7.98 L solution
0.0253 M
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The number of moles present in 0.70 L of a 0.33 M
HCl solution
0.23 moles
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The number of grams of NaCl in 806 mL of a 2.48 M
solution
117 g NaCl
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The letter M is its abbreviation
molarity
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It is the name of our current secretary of state
Condoleeza Rice
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Tyndall effect is used to distinguish between
these two types of mixtures
Solutions colloids
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It is the type of mixture that contains visible
particles that settle out unless the mixture is
stirred
suspension
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Carbon dioxide in soda is an example of this type
of solute-solvent combination
Gas-liquid
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Sugar in water is an example of this type of
solute-solvent combination
Solid-liquid
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Those nifty spinning chromium-magnesium alloy
wheels are an example of this type of
solute-solvent combination
Solid-solid
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It is the molar mass of O2
32 g/mol
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It is the molar mass of sodium
23 g/mol
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Its molar mass is 35.5 g/mol
chlorine
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It is the name of a mixture in which particles
are in a dispersed phase and do not settle out
colloid
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It is the number of days in February during a
leap-year
29
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If the temperature is increased, the reaction
will do this
Speed up
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These will affect a chemical reaction by
providing an alternate pathway with a lower
activation energy
catalyst
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It is the branch of chemistry that studies
reaction rates
Chemical kinetics
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For reactions to occur, particles must do this
(hopefully your car will not do this)
collide
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For a reaction rate to speed up, you should do
this to the concentration
Increase it
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Of the following, which is soluble in
water? Potassium chloride, benzene, gold, carbon
tetrachloride
Potassium chloride
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Who was the second man to walk on the moon?
Buzz Aldrin
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Who plays the voice of Mushu in Mulan?
Eddie Murphy
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It is a measure of the average kinetic energy of
the particles in a sample of matter
temperature
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The minimum energy required for an effective
collision is called this
Activation energy
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Endothermic or exothermic Energy of products lt
energy of reactants lt activation energy
exothermic
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Endothermic or exothermic Energy of reactants lt
energy of products lt activation energy
endothermic
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A substance whose water solution conducts a
current is called this
electrolyte
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Of the following, it is an electrolyte Sodium
chloride, water, sugar, glass
Sodium chloride
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Decreasing the surface area between solute and
solvent will do this to the dissolution rate
Decrease it
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What will decrease the average speed of solvent
molecules?
Decrease the temp
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What will increase the rate of dissolution by
bringing fresh solvent into contact with the
solute?
stirring
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A substance whose water solution does not conduct
a current is called this
nonelectrolyte
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Dental amalgam is this type of solute-solvent
combination
Liquid in solid
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Another name for the effect of headlight beams
being visible in fog
Tyndall effect
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It is the next holiday where we have no school
Memorial day
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Atomic number 87
francium
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It is the type of water you should take a bath in
if you are afraid of being murdered by someone
throwing a live electrical wire in the tub.
Distilled or deionized