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4/24/18

posted by Kelly Allen   [ updated ]

Journal: Can carbon dioxide be liquefied at room temperature (20ºC)? If so, how? If not, why not?

Class: Finish Phase Diagram notes (see slide 13 of 4/23 attachment)
Phase Diagram practice
Notes on Specific Heat (see slides 3-6 of 4/24 attachment)
Specific Heat practice (see 4/24 attachment)

HW: Exploring Phase Diagrams activity due TOMORROW
Specific Heat practice (1-6) due Thurs. 4/26
Solutions quiz #2 Thurs. 4/26
Double Replacement and Sulfur Clock labs due Fri. 4/27

4/23/18

posted Apr 23, 2018, 8:11 AM by Kelly Allen

Journal: Answer these questions about this substance:


1.What is its melting point?
2.At what temperature does it transition from a gas to a liquid? At what temperature(s) are intermolecular forces being broken?

Class: Go over Heating Curve practice
Exploring Phase Diagrams activity (see 4/23 attachment)
Notes on Phase Diagrams (see slides 10-14 of 4/23 attachment)

HW: Solutions quiz #2 Thurs. 4/26
Double Replacement and Sulfur Clock labs due Fri. 4/27

4/20/18

posted Apr 20, 2018, 1:03 PM by Kelly Allen   [ updated Apr 20, 2018, 4:40 PM ]

Journal: Free day!  Write, write, write!  Turn in your 5 journal entries for the week.

Class: Notes on Reaction Rates
Collision Theory Analogy

HW: Heating Curve practice (see 4/20 attachment) due Mon. 4/23 
Solutions quiz #2 Thurs. 4/26
Double Replacement and Sulfur Clock labs due Fri. 4/27

4/19/18

posted Apr 19, 2018, 10:57 AM by Kelly Allen

Journal: If I place 30.0 mL of 0.161 M sodium thiosulfate solution in a flask, and I add 10.0 mL of distilled water, what will be the new concentration of the solution? SHOW YOUR WORK!

Class: Go over Potential Energy Diagram practice
Sulfur Clock lab

HW: Solutions quiz #2 Thurs. 4/26
Double Replacement and Sulfur Clock labs due Fri. 4/27

4/18/18

posted Apr 18, 2018, 2:09 PM by Kelly Allen

Journal: Do you think there are any short-cuts to determining the net ionic equation for a reaction? Explain your reasoning.

Class: Potential Energy Diagram notes (see slides 1-4 of 4/18 attachment)

HW: Solutions quiz #2 Thurs. 4/26
PE Diagram practice due TOMORROW (see 4/18 attachment)

4/17/18

posted Apr 17, 2018, 4:50 PM by Kelly Allen

Journal: Write the net ionic equation for the reaction between aluminum chloride and sodium nitrate. Determine the spectator ions and the precipitate.

Class: Double Replacement lab

HW:  Solutions quiz #2 Thurs. 4/26

4/16/18

posted Apr 16, 2018, 9:19 AM by Kelly Allen

Journal: Write the balanced chemical equation for the reaction between calcium chloride and lithium oxide.

Class: Notes on Net Ionic Equations (see slides 4-10 of 4/13 attachment)

HW: Study! You never know when there might be a checkpoint!

4/13/18

posted Apr 13, 2018, 12:29 PM by Kelly Allen

Journal:  Free day!  Write, write, write!  Turn in your 8 journal entries from this week and last week.

Class: Solutions quiz Fri. 4/13
Go over Colligative Properties practice
Beginning of Net Ionic Equations notes (slides 1-3 of 4/13 attachment)

HW: Study!  You never know when there might be a checkpoint!

4/12/18

posted Apr 12, 2018, 9:57 AM by Kelly Allen

Journal: Ms. Tully adds one gram of salt to a pot of water to make her pasta cook faster. Yet, she is dismayed to see that the water boils only slightly hotter than before. Next time, she adds TWO grams of salt to the same amount of water. How will the boiling point of the water change? EXPLAIN your answer.
A.It will be cut in half.
B.It will decrease.
C.It will double.
D.It will increase.
E.It will not change.

Class: Notes on Colligative Properties Calculations (see slides 8-12 of 4/12 attachment)
Colligative Properties practice (see 4/12 attachment)

HW: Solutions quiz Fri. 4/13
Colligative Properties practice due TOMORROw

4/11/18

posted Apr 11, 2018, 10:39 AM by Kelly Allen   [ updated Apr 11, 2018, 10:40 AM ]

Journal: In the Kool-Aid lab, we used the special water bottles to mix up our solutions. What piece(s) of equipment would you need to use in a laboratory to make a dilution of a particular solution? EXPLAIN YOUR ANSWER.

Class: Go over Dilution practice
Notes on Colligative Properties (go to EdPuzzle, sign-in with your CHCCS Gmail account, watch and take notes on the Colligative Properties, Some More Car Accidents, Ice Cream & Cake, Rich's Car Overheating, and Freezing North American Wood Frogs videos)

HW: Solutions quiz Fri. 4/13

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