unit 12 for issuu march 10 2012

Chemistry

1. Intro

2. data

3. matter

4. the atom

5. electrons

6. periodic table

7. bonding

8. reactions

9. the mole

10. gases

11. solutions

12. Energy

13. Reaction rates

14. equilibrium

15. Acids and bases

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Percent error = measured chip calories/actual chip calories x 100

Title

Name, Date

(For example:

Potato Chip Calorimetry

Or Energy Analysis of a common Snack Food)

Schematic drawing

With labels

Of your

calorimeter

caption

Conclusions

Include the Nutritional

Calories calculated for

your chip, the estimated

real nutritional calories for

your chip, and an

explanation for the

difference.

Data

Q = mcDT

Q=

M=

C=

DT =

= ( ) ( ) ( )

= ___ J

= ___Nutritional

Calories

Pick a topic:

1. What is calorimetry?

2. Sources of Error

in our calorimeter design

3. A better design for

the next experiment

10 points:

1. Effort: 5 points

-does this represent

45 minutes of effort?

2. Calculations: 3 Points

-are they accurate?

3. Analysis: 2 points:

Why are the results so

bad (or so good).

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DG = DH –TDS

Where

DG = Gibbs Free Energy

DH = Enthalpy in Joules

T = Temperature (K)

And DS = Entropy in Joules/K

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