1. How many Calories are in one serving of Reese’s Puffs cereal?
Warm-Up 5/5/15
How many Calories are in one serving of Reese’s Puffs cereal?
How many joules
of energy is this?
1 Cal = 4184 J

2. Out of 54 Used old ScanTron +2 50% - Just answer 75% - Answer and work
Test Corrections
Out of 54
Used old ScanTron +2
50% - Just answer
75% - Answer and work
Attach to ScanTron
Deadline May 11th, 2015

3. Underwood Family Farms Wednesday, May 13th Donations
FIELD TRIP!!!
Underwood Family Farms
Wednesday, May 13th
Donations
D or F? Cannot attend.
Come to tutoring three times this week to get a permission slip.
Due tomorrow!

4. Soap Lab Check Extra Credit – Lab section (20%)
Objective and Introduction
Terms and Concepts – defined
Summarized Procedure
Lab Data (pH readings)
Post-lab Questions
Extra Credit – Lab section (20%)
Lab report – criteria posted on website (Blog post 5/4/15)

5. Looked at how many Calories you use to walk up a flight of stairs.
Yesterday
Looked at how many Calories you use to walk up a flight of stairs.

6. What happens when we “burn” Calories?

7. A food Calorie is 1000 calories.
A calorie is the amount of heat needed to raise the temperature of 1 g of water by 1oC.
A food Calorie is 1000 calories.

8. DT = change in temperature
Specific Heat
q = mCDT
q = heat
m = mass (g)
C = specific heat
DT = change in temperature
specific heat – the amount of heat to raise 1g of the substance by 1oC.

9. Specific Heat Calculate how much heat (in
calories) 32.0 g of water absorbs
when it is heated from 25oC to
80oC. How many joules is this?
Specific heat of water =
1.00 cal/goC

10. Pg. 510 #3 and 4 Will need Table 17.1 on Pg. 508 Will stamp tomorrow.
Practice
Pg. 510 #3 and 4
Will need Table 17.1 on Pg. 508
Will stamp tomorrow.

11. Get permission slip signed!
Homework
Get permission slip signed!
Extra Credit
Bring in an empty soda can.