April 20th, 2015

Ms. Angela PachecoTrimble County High School

Science Department

Astronomy

• Starter: get out SW/APOD sheet • SW/APOD• Go over Mars exam• Continue Jupiter unit

2nd Period Chemistry I

• Starter: get out your calculator and writing utensil

• Practice problems• 10-2 Apply wkst• Summative exam: tomorrow• 2nd chance for learning check #3: Tues or

Thur in Mrs. Green’s room

Chemistry I Practice Problems

1. What is the formula mass of CCl4?

2. Convert 67.3 grams of H3PO4 to moles.

3. What is the atomic mass of Phosphorus?

4. How many molecules of Ca(NO3)2 are in 23.4 grams?

5. Convert 57.3 moles of nitrogen gas into Liters at STP.

6. Convert 267.3 grams of H2SO4 to molecules.

7. What is the molar mass of pentane (C5H12)?

8. A storage tank of helium has a volume of 500. L contains how many moles of He at STP?

9. A sample of iron oxide has a mass of 3.192 g. It is analyzed and found to contain 2.232 g of iron and 0.96 g of oxygen. Find the percentage composition of this compound.

10. Find the molecular formula of a compound that contains 40% carbon, 6.7% hydrogen and 53.3% oxygen. The molar mass of the compound is 180 g/mol.

Chemistry Groups1 2 3 4 5 6 71 2 3 4 5 6 7

Diane Zhoe Autumn Brantley Hannah Joseph Lily

Johnny Amber Rhiannon David Chandler Sarah Aaron

Kat Easton Calvin Brooke Kalani Anissa Angela

Morgan

Conceptual Physics

• Starter: get out SMQ sheet• SMQ• Reading and notes:

– Pgs. 191 Eclipses– Pgs. 187-192 Ocean Tides

• Learning check #1: Wednesday• End of class: 2 minute reflection and

column• Learning check #3 2nd chance: Tues if you

signed up

Advisory

• Starter: pass out hardback books• Reading: Seek First to Understand, Then

to Be Understood, pg. 176• Habit 6: Synergize, pg. 182

AP Chemistry Prep

• Starter: get out your calculator, formula sheet and periodic table

• Sample free response question• Score question with rubric

Astronomy

• Starter: get out SW/APOD sheet • SW/APOD• Go over Mars exam• Continue Jupiter unit

Advanced Physics• Starter: get out SMQ sheet• SMQ• Reading, pg. 167 - Torque• Group problems, – Set 2: pg. 170 (10-12, 49-51)– Set 3: pg. 756 (17, 16, 14, 15)

• Learning check: Tuesday

Advanced Physics1 2 3 4 5 6 7

Morgan K Tailor Amber Madelyn Brennan Danielle Morgan C

Brady Bret Logan Alex Nick Emily T Courtney

Mila Tanya Collin Sidney Dalton Zach Raven

Megan W Michael Katie Emily A David Megan T Eli

AP Chemistry

Agenda• Starter: • Equation writing

practice• Sample free response

problem• Sample multiple

choice questions

AP Chem Balancing Practice

• A solution of nickel (II) chloride is added to a solution of sodium hydroxide, forming a precipitate. –Write the balanced net ionic equation.– If equal volumes of 1.0 M nickel (II)

chloride and 1.0 M sodium hydroxide are used, what ion is present in the solution in the highest concentration after the precipitate forms?