by C. Stephen Murray, 2003. The Atom. Everything is made of atoms. Atoms are
the smallest part of matter. Atoms are made up of 3 subatomic particles (particles
...
cstephenmurray.com. Negative sign means deceleration. Acceleration and
Average Speed. Acceleration. Acceleration is how fast you change speed OR.
The graph on the right is a distance versus time graph. That means that it shows
how far an object has traveled after so many seconds. This is what we call a.
Period: HW3:9 Test Review. Mr. Murray, IPC cstephenmurray.com. 1. For Oxygen
give the following: A. Oxidation #. B. # of protons. C. Valence Electrons ______.
To do this we must be able to classify the things we encounter. Heterogenous ...
Anything that has mass and takes up space we call matter. Everything you can ...
Mr. Murray, IPC. Name: IPC Textbook Guided Reading – Chapter 10. Period: DO
NOT TURN THIS IN – Keep for homework. 1. Magnetic means the ability to: 2.
Mr. Murray, IPC. Name: IPC Textbook Guided Reading – Chapter 5. Period: DO
NOT TURN THIS IN – Keep for homework. 1. Give the equation for work: 2.
Weight. Fw = mg. Weight equals mass times the acceleration of gravity. Mass. (in
kg). Acceleration of gravity. (9.8 m/sec2). Force of. Weight. (in Newtons).
What is a Magnet? How do Magnets Work? Permanent and. Temporary Magnets.
A magnet is something that can attract metal or another magnet. A magnet can ...
Mr. Murray, IPC. Smart Science Safety. These are here for your safety and the
classroom's safety during all labs. ➢ I will act responsibly at all times in the ...
Types of Circuits and Ohm's Law. Two lightbulbs in series. Each light is
dependent on the other. Two lightbulbs in parallel. Each light is independent of
each ...
A SOLUTION is a mixture that is homogeneous at the molecular level. OR—a solution is a mixture that is so well mixed that is the same throughout, even down to the molecules. And those molecules can be separated physically.
Some Common Solutions: 18 K
Bottled water; salt water; air; carbonated water; rubbing alcohol; 14 or 18-karat gold.
18K gold is a mixture of silver and gold A mixture of two metals is called an alloy.
The solute (salt)
When something goes into solution we say it
dissolves into the
dissolves. Salt dissolves into water to make salt water—a solution.
solvent. (water)
Sugar is soluble in water.
Air is a solution, but not an alloy.
One part of the solution is always bigger in amount. This is the solvent (what is dissolving). The smaller part is the solute (what is being dissolved).
The solvent dissolves the solute. Solute - smaller word, smaller amount Solvent - larger word, larger amount
Saturated—When a solution cannot dissolve more solute (it’s full).
Soluble— something that can be dissolved into a solution. Salt is soluble in water. Insoluble— something that cannot be dissolved. Oil is insoluble in water (or oil is not water soluble).
These are all homogeneous and can be separated physically.
Unsaturated—When a solution can hold more solute (not full yet).
Oil is insoluble in water.
Supersaturated— When a solution has more solute than it can hold (over full). The solute will fall out of a supersaturated solution.
Mixtures that are not Solutions
Suspensions—a temporary mixture in which the particles eventually settle. Silt in water is a common suspension.
Colloids—a mixture that has larger particles, like milk, mayonnaise, egg whites. The particles come in clusters, not single molecules (like in solutions) and they don’t settle (like in suspensions).
Can tell a colloid by the Tyndall effect. Tyndall effect —scattering of light.
Period: _____________________ Soluble or insoluble in water:
Circle the solute and underline the solvent.
Cooking oil ______________
It settles ____________________________
Salt water
Sugar ___________________
Solution (So), suspension (Sp), or colloid (C)?
Doesn’t settle or scatter light ___________
Sugar water
Soap____________________
A solution of 20% HCl and 80% water.
Scatters light, but doesn’t settle _________
Dirt ____________________
Chocolate milk
Homogeneous at molecular level ________
Salt_____________________
Rubbing alcohol: 60% alcohol; 40% water.
Particles sometimes visible _____________
1. Solution
A. When a substance cannot be dissolved into a solution.
1. Supersaturated
A. When a solution can hold more solute.
2. Alloy
B. A mixture of two metals.
2. Saturated
3. Dissolve
C. A mixture that is homogeneous at the molecular level.
B. When a solution can’t hold more solute.
3. Tyndall Effect
4. Suspension
D. When something seems to disappears into a solution.
C. When a solution has more solute than it can hold.
4. Unsaturated
5. Colloid
E. A mixture that scatters light and the particles do not settle out.
5. Solute
6. Insoluble
F. A temporary mixture; the particles 6. Solvent will eventually settle.
D. The part of a solution that is biggest. (The water in salt water.) E. The scattering of light in a colloid. F. The part of a solution that is smallest. (The salt is salt water.)
Across: 1. When a solution has more solute than it can hold. 3. When a solution can hold more solute. 4. When a substance cannot be dissolved into a solution. 6. A temporary mixture; the particles will eventually settle. 7. When a solution can’t hold more solute. 10. A mixture that is homogeneous at the molecular level. 11. The part of a solution that is smallest (The salt in salt water. Down 2. The scattering of light in a colloid. 5. When something seems to disappear in a solution. 8. A mixture of two metals. 9. A mixture that scatters light and the particles do not settle out. 10. The part of a solution that is biggest. (The water in salt water.
