Chem 14b Study guides, Class notes & Summaries
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CHEM 14BL DR. OW PRACTICE MIDTERM EXAM V2 QUESTIONS CALCULATIONS WITH ANSWERS 2023
- Exam (elaborations) • 3 pages • 2023
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CHEM 14BL DR. OW PRACTICE MIDTERM EXAM V2 QUESTIONS CALCULATIONS WITH ANSWERS 2023 
 
 
 
1.	Consider the following calculation: 
 
[(12.635 +/- 0.005) / (5.967 +/- 0.003)] + (0.478 +/- 0.004) 
 
Calculate the percent relative error and the absolute error. 
 
 
 
 
.005 / 12.635 = . 
 
.003 / 5.967 = . 
 
. + . = . = total relative error for the division in parentheses 
 
12.635 / 5.967 = 2. 
 
. x 2. = .0019 = total absolute error for the division in parentheses 
 
 
 
For the final addition s...
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Chem 14BL Final Cheat Sheet|ALL YOU NEED
- Exam (elaborations) • 4 pages • 2022
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A−¿ 
¿ 
¿ 
¿ 
 (base/acid) HA=acid OH- 
=base A 
- 
=conjugate base H2O=conjugate acid 
Initial pH: Soltn. Acetic acid made by dissolving 5.00x10-3 mol acetic acid (HA) in 100.00mL water. Then titrated with strong base (NaOH) conc. 0.250M (Ka = 1.8x10-5) 
 HA + H2O H3O 
+ 
 + AKa = 
(x )(x) 
0.05−x 
 ASSUME X<<0.005 1.8x10-5 = 
(x)(x ) 
0.05 solve 
I 0.05M ~ 0 0 x = 3.0x10-4 CHECK ASSUMPTION 
(3.0 x10−4 
) 
0 .005 
∗100 = 6% (doesn’t work, plug into quadratic, 
watch ...
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Chemistry 14B Notes
- Class notes • 21 pages • 2024
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Providing in-depth typed-up notes for Chemistry 14B that helped me achieve a final score of A.
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Gen Chem 2 Study Guide
- Class notes • 15 pages • 2024
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detailed notes covering topics in gen chem 2: kinetics, mechanisms, catalysis, redox, electrochemistry, cell emf, and. electrolysis
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Gen chem 2 study guide
- Class notes • 14 pages • 2024
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Detailed notes from gen chem 2 covering thermodynamics, entropy, enthalpy, gibbs free energy, pressure, gases, equilibrium, and derivations
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Gen Chem 2 Study Guide
- Class notes • 13 pages • 2024
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detailed notes on topics in gen chem 2: equilibrium, buffers, acids, bases, titrations, kinetics, orders of reactions, and rates
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