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Page 37

AP Chem Lab Notebook 10. Additivity of Heats: Hess's Law

We ended up with a 1.28% error, meaning some heat was probably lost, though it was close. This er...

Updated 2 days ago by Owen

Page 36

AP Chem Lab Notebook 10. Additivity of Heats: Hess's Law

ΔHR1= -1.875 kJ ΔHR2= -4.678 kJ ΔHR3= -2.865 kJ molR1=2.00/(22.99+16.00+1.008)= 0.05 mol mo...

Updated 2 days ago by Owen

Page 35

AP Chem Lab Notebook 10. Additivity of Heats: Hess's Law

8. Rinse and dry the temperature probe, cup, and stirring rod. Dispose of the solution as directe...

Updated 2 days ago by Owen

Table of Contents

AP Chem Lab Notebook

Physical and Chemical Changes Lab: Page 1 to Page 5. Mole Concept II: Page 6 to Page 7. ...

Updated 2 days ago by Owen

Page 34

AP Chem Lab Notebook 10. Additivity of Heats: Hess's Law

Partners: Jeff Somvorachith, Connor Engels 10. Additivity of Heats of Reaction: Hess's Law Purp...

Updated 3 days ago by Owen

Page 33

AP Chem Lab Notebook 9. Molar Volume of a Gas

The formula for the Mg HCl reaction is Mg+2HCl->H2+MgCl2. Since the moles of Mg equal the moles o...

Updated 2 weeks ago by Owen

Page 32

AP Chem Lab Notebook 9. Molar Volume of a Gas

Started slowing down as magnesium disappeared. Some HCl went out the stopper. Some bubbles stuck ...

Updated 2 weeks ago by Owen

Page 31

AP Chem Lab Notebook 9. Molar Volume of a Gas

 Clamp the eudiometer into position on the ring stand. The acid flows down the tube(less dense) a...

Updated 2 weeks ago by Owen

Page 30

AP Chem Lab Notebook 9. Molar Volume of a Gas

12/3/24 9. Molar Volume of a Gas Purpose: To practice calculating the molar volume of a gas by...

Updated 2 weeks ago by Owen

Page 21

AP Chem Lab Notebook 6. Stoichiometry and Limiting Reagent

was left over after and what was left over was the limiting reactant. The limiting reactant turne...

Updated 1 month ago by Owen

Page 20

AP Chem Lab Notebook 6. Stoichiometry and Limiting Reagent

3. Water was added to remove any underacted copper(II) sulfate, iron, and iron(II) sulfate. The s...

Updated 1 month ago by Owen

Page 16

AP Chem Lab Notebook 5. Reactions in Solution Precipitation

Conclusion: a. Formula of Precipitates CoCl2 CuCl2 AlCl3 BaCl2 NiCl2 NaI ...

Updated 1 month ago by Owen

Page 29

AP Chem Lab Notebook 8. Vinegar Titration Lab

Conclusion: The purpose of the lab was to determine the concentration of acetic acid in vinegar....

Updated 1 month ago by Owen

Page 27

AP Chem Lab Notebook 8. Vinegar Titration Lab

Data: Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Trial 6 Amount of vinegar 1...

Updated 1 month ago by Owen

Page 28

AP Chem Lab Notebook 8. Vinegar Titration Lab

Trial 4: 34.4mL-26.2mL=8.2mL (8.2/1000)/(10mL/1000)=0.82M Trial 5: 42.65mL-34.4mL=8.25M (8.2...

Updated 1 month ago by Owen

Page 26

AP Chem Lab Notebook 8. Vinegar Titration Lab

11/12/24 8. Vinegar Titration Lab Purpose: Determine the concentration of acetic acid in vineg...

Updated 1 month ago by Owen

Page 25

AP Chem Lab Notebook 7. Standardization of a NaOH Solution

Our % deviation was 0.990%, meaning our answers between each trial was pretty close to the averag...

Updated 1 month ago by Owen

Page 24

AP Chem Lab Notebook 7. Standardization of a NaOH Solution

Analysis:   KHC8H4O4+NaOH->NaKC8H4O4+H2O Trial 1: 10.00mL-0.20mL=9.80mL NaOH used 2.00g/(39.10...

Updated 1 month ago by Owen

Page 23

AP Chem Lab Notebook 7. Standardization of a NaOH Solution

7. Calculate the percent deviation between the trials. % deviation=(highest molarity - lowest mo...

Updated 1 month ago by Owen

Page 22

AP Chem Lab Notebook 7. Standardization of a NaOH Solution

11/7/24 Partner: Jeff Somvorachith 7. Standardization of a NaOH Solution Purpose: To determin...

Updated 1 month ago by Owen