1. COPY AND COMPLETE THE PROBLEM:
Do Now:
Day: Tues-Wed Date: 1/24/17-1/25/17
Homework: COMPLETE #4, #5- DUE 1/26-1/27
COPY AND COMPLETE THE PROBLEM:
How many Liters are there in 3.00 grams of Helium?
Diagram
Solve

2. ANOUNCEMENTS
REAL LAB EXAM MOVED TO THURS-FRI- PRELAB MUST BE COMPLETE AND WEAR PANTS

3. OBJECTIVE:
We can perform four multi-step conversion problems to weigh out each chemical in grams. We can then explain and justify completion of one multi-step molar conversion problem to the instructor using academic language.

4. grams atoms molecules Liters 22.4 L 1 mole 6.02 x 1023 molecules
MOLECULAR WEIGHT
(m.w.)
6.02 x 1023 molecules
1 mole
6.02 x 1023 atoms
1 mole 1
atoms
molecules
22.4 L
1 mole
Liters

5. #6 Molar Conversion Lab Practical Practice Exam
As a group, read and annotate the practice lab exam
Write down at least one question

6. QUESTIONS???

7. Directions:
Each person is assigned one multi-step molar conversion task according to the card suit at the corner of your desk. (If you are in a group of three, the heart will complete the extra problem)
You will have two attempts maximum to accurately calculate and weigh out each chemical in grams.
Round your answer to the hundredths at the VERY END of your calculations.

8. Do not cross-contaminate chemicals.
Use the appropriately labeled scoopers/spatulas. Show all of your work on Assign #6.
Double check all of your work.

9. After your ENTIRE group is finished completing their problem in writing AND measuring out their chemicals, take your chemical submissions and written work to the instructor for evaluation.
The instructor will then randomly choose one person to explain how they solved their task.
Before leaving class, staple all of your #6’s together and submit it as a packet to your instructor in page order

10. Verbal Evaluation (2 points per indicator x 13 = 26 points):
____ Read the problem to you
____ Underline the given in the problem
____ Circle the wanted units
____ Draw a diagram
____ Explain the diagram using a sentence with the word “because”
____ Start solving the problem with the given
____ Draw the “X” and the “ −−−“ (ratio bar)
____ Placed the correct units on the top and the bottom of the ratio bar
____ Explained why the units go on the top and bottom of the ratio bar using the word “because”
____ Explained how to put the numbers in the calculator
____ Showed you how and where to put the parenthesis in the calculator
____ Showed you how to write the answer to 2 decimal places (hundredths)
____ Used the correct units throughout the entire problem

11. Point Deductions:
_______ Off Task
_______ Use of materials other than a calculator and Periodic Table
_______ Interacting with another group
_______ Unsafe Lab Practices

12. Chemical Formulas
Charcoal - C
Sucrose C12H22O11
Sodium Chloride NaCl
Magnesium Sulfate - MgSO4

13. SAFETY BEHIND YOU! BACKPACKS NEED TO BE UNDER YOUR DESK AT ALL TIMES
IF YOU ARE MOVING BEHIND SOMEONE, COMMUNICATE
DO NOT RUN
WEAR SAFETY GOGGLES AT ALL TIMES
FOR THE REAL EXAM: GLOVES AND LAB COATS FOR SPADES AND CLUBS
YOU MAY NOT CONVERSE WITH OTHER GROUPS

14. QUESTIONS???

15. DIRECTIONS SAFETY SAFETY GOGGLES ON
SPADES AND CLUBS (BLACK CARDS NEED GLOVES AND LAB COATS)
PROCEED TO YOUR LABELED STATIONS
COMPLETE YOUR ASSIGNED PROBLEM
STAND IN LINE WITH YOUR GROUP TO SUBMIT YOUR WORK
PRACTICE YOUR VERBAL PRESENTATION WHILE IN LINE
BACKPACKS NEED TO BE UNDER YOUR DESK AT ALL TIMES
IF YOU ARE MOVING BEHIND SOMEONE, COMMUNICATE
DO NOT RUN
WEAR SAFETY GOGGLES AT ALL TIMES
FOR THE REAL EXAM: GLOVES AND LAB COATS FOR SPADES AND CLUBS
YOU MAY NOT CONVERSE WITH OTHER GROUPS

16. CLEAN UP
RETURN ALL MEASURED OUT CHEMICALS TO THEIR ORIGINAL CONTAINERS
USE THE PARAFILM TO COVER THE BEAKERS
CLEAN AND DRY ALL SPATULAS/SCOOPERS
STAPLE AND SUBMIT ALL WORK BY PAGE NUMBER

17. USING A PIECE OF BUTCHER PAPER AND MARKERS, TRACE ONE OF YOUR GROUP MEMBERS
LABEL THE OUTLINE WITH ALL MOLAR CONVERSIONS
FIRST GROUP TO WIN GETS A PRIZE