pure substance or mixture solutions separating solutions
TRANSCRIPT
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Pure Substance or Mixture
Pure Substance or Mixture
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SolutionsSolutions
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Separating SolutionsSeparating Solutions
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Saturation and Changing Properties
Saturation and Changing Properties
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Hodge PodgeHodge Podge
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$100 $100 $100 $100 $100 $100
$200 $200 $200 $200 $200 $200
$300 $300 $300 $300 $300 $300
$400 $400 $400 $400 $400 $400
Pure or Mixture
Solutions Separating Solutions
Saturation and Changing Properties
Hodge Podge
Vocab
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Which of the following is a pure substance: sodium chloride or
steel?
Which of the following is a pure substance: sodium chloride or
steel?
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Sodium Chloride Sodium Chloride
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Which of the following is a pure substance: copper sulfate
solution, or copper carbonate?
Which of the following is a pure substance: copper sulfate
solution, or copper carbonate?
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Copper CarbonateCopper Carbonate
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Which of the following is a pure substance: copper sulfate or
milk?
Which of the following is a pure substance: copper sulfate or
milk?
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Copper SulfateCopper Sulfate
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Tell how you can examine a substance to determine if it is
pure or not.
Tell how you can examine a substance to determine if it is
pure or not.
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Add water and filter itAdd water and filter it
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Water is an example of this part of a solution.
Water is an example of this part of a solution.
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Water is a solvent.Water is a solvent.
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If you make a solution with orange crystals and water, the
orange crystals are WHAT in the solution?
If you make a solution with orange crystals and water, the
orange crystals are WHAT in the solution?
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The orange crystal is the solute.The orange crystal is the solute.
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If you mix 5 g of salt in 20 mL of water, what will the MASS of the
solution be?
If you mix 5 g of salt in 20 mL of water, what will the MASS of the
solution be?
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The mass will be 25 g (20 mL of water = 20 g)
The mass will be 25 g (20 mL of water = 20 g)
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How does a solution compare to a mixture?
How does a solution compare to a mixture?
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A solution is a type of mixture - it is REALLY well mixed
(homogeneous)
A solution is a type of mixture - it is REALLY well mixed
(homogeneous)
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When you pour a solution through a filter, what passes
through the filter?
When you pour a solution through a filter, what passes
through the filter?
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Filtrate (the entire solution goes through)
Filtrate (the entire solution goes through)
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When you pour a mixture with soluble and insoluble substances into a filter, what DOES NOT get
through?
When you pour a mixture with soluble and insoluble substances into a filter, what DOES NOT get
through?
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The INSOLUBLE substanceThe INSOLUBLE substance
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What is the substance that gets trapped on filter paper called?
What is the substance that gets trapped on filter paper called?
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Residue/InsolubleResidue/Insoluble
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How can you get the solute out of a solution?
How can you get the solute out of a solution?
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EvaporationEvaporation
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How can you tell if a solution is saturated?
How can you tell if a solution is saturated?
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You can see grains of solute in the solution.
You can see grains of solute in the solution.
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If you start with copper sulfate and container that have a mass of 29.8 g, add copper sulfate to water until it is saturated, and
find the new mass of the copper sulfate and container to be 22.1 g, how much copper sulfate was
added?
If you start with copper sulfate and container that have a mass of 29.8 g, add copper sulfate to water until it is saturated, and
find the new mass of the copper sulfate and container to be 22.1 g, how much copper sulfate was
added?
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7.7 g of copper sulfate7.7 g of copper sulfate
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When salt is added to ice, what happens to the melting and
freezing point of ice?
When salt is added to ice, what happens to the melting and
freezing point of ice?
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The melting point and freezing point (which are the same
things) of the ice goes down.
The melting point and freezing point (which are the same
things) of the ice goes down.
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What would you expect the temperature of boiling salt water
to be: 98ºC, 100ºC, 102ºC?
What would you expect the temperature of boiling salt water
to be: 98ºC, 100ºC, 102ºC?
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102ºC (adding salt raises the boiling point)
102ºC (adding salt raises the boiling point)
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When salt water is boiling, which of the following is happening:Water is evaporating, Water is
dissolving, Water is disappearing, or Water is
drying?
When salt water is boiling, which of the following is happening:Water is evaporating, Water is
dissolving, Water is disappearing, or Water is
drying?
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Water is evaporatingWater is evaporating
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Look at the chromatogram. Which of the solutions was not
soluble in water?
Look at the chromatogram. Which of the solutions was not
soluble in water?
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#3 - it doesn’t spread, so it isn’t soluble.
#3 - it doesn’t spread, so it isn’t soluble.
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Which of the solutions in the chromatogram have the same
solute in them?
Which of the solutions in the chromatogram have the same
solute in them?
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2 and 4 are the only ones you can tell just by looking (their
bottom solutes line up).
2 and 4 are the only ones you can tell just by looking (their
bottom solutes line up).
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Describe what happened in a test tube where big red crystals were mixed with water and the result was a red, transparent liquid with a few red grains on
the bottom.
Describe what happened in a test tube where big red crystals were mixed with water and the result was a red, transparent liquid with a few red grains on
the bottom.
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The red crystals DISSOLVED in the water (it was a solute, the
water was a solvent). The solution became saturated so
the last red grains didn’t dissolve. The crystals are more
dense than water!
The red crystals DISSOLVED in the water (it was a solute, the
water was a solvent). The solution became saturated so
the last red grains didn’t dissolve. The crystals are more
dense than water!
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What is one thing that ALLOYS all have in common?
What is one thing that ALLOYS all have in common?
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They are mixtures with at least one of the substances being
metal.
They are mixtures with at least one of the substances being
metal.
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Would a solution be considered heterogeneous or homogeneous?
Would a solution be considered heterogeneous or homogeneous?
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Homogeneous (really well mixed, same throughout!)Homogeneous (really well mixed, same throughout!)
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The picture that shows up on a piece of chromatography paper
is called…
The picture that shows up on a piece of chromatography paper
is called…
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Chromatogram.Chromatogram.
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The substance that moves the farthest on paper
chromatography is the one that has what property?
The substance that moves the farthest on paper
chromatography is the one that has what property?
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It is the most soluble.It is the most soluble.
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What is an example of an alloy?What is an example of an alloy?
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Steel, brass, etcSteel, brass, etc
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Final Jeopardy Question:
Describe what happens when you add water to a stain of
marker. Use SCIENTIFIC VOCABULARY!
Final Jeopardy Question:
Describe what happens when you add water to a stain of
marker. Use SCIENTIFIC VOCABULARY!
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Water is a solvent, and marker is a solute that can
be dissolved by water.
Water is a solvent, and marker is a solute that can
be dissolved by water.
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And the winner is…..And the winner is…..