5 Steps to a 5 AP Chemistry
338 STEP 5. Build Your Test-Taking Confidence B—All but B and D are Lewis bases. The higher charge on iron makes the differen ...
AP Chemistry Practice Exam 2 339 D—Hydrogen bonding may occur when hydro- gen is attached directly to N, O, or F. B—B has thr ...
340 STEP 5. Build Your Test-Taking Confidence Answers and Explanations for Exam 2—Free Response Question 1. (a) Kp=PCH 4 /PH ...
AP Chemistry Practice Exam 2 341 Comparing Experiments 1 and 3: The concentration of ClO–is doubled, and the rate is doubled. ...
ΔG°rxn=ΔH°rxn– TΔS°rxn=–2686 kJ–(298 K)(l kJ/1000 J)(–454.1 J/K) =–2551 kJ You get 1 point for the work and 1 point for the answ ...
Question 6. (a) Beaker B has the lowest pH. The NH 4 +ion is the conjugate acid of a weak base, and as an acid (weak) it will lo ...
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Appendixes SI Units Balancing Redox Equations Using the Ion Method Common Ions Bibliography Web sites Glossary Exam Resources ...
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SI UNITS SI Prefixes PREFIX ABBREVIATION MEANING pico- p 0.000000000001 or 10−^12 nano- n 0.000000001 or 10−^9 micro- μ 0.000001 ...
Temperature The base unit for temperature in the SI system is kelvin(K). Celsius to Fahrenheit: °F =(9/5)°C + 32 Fahrenheit to C ...
BALANCING REDOX EQUATIONS USING THE ION-ELECTRON METHOD The following steps may be used to balance oxidation–reduction (redox) e ...
The carbon is oxidized (C^2 − to C^2 +) and the chromium is reduced (Cr^6 + to Cr^3 +). Check to make sure you get the same oxid ...
Examples: acid: Cr 2 O 72 −→ 2 Cr^3 ++ 7 H 2 O becomes: 14 H+(aq) +Cr 2 O 72 −→2 Cr^3 ++7 H 2 O Now an example base: base: 6 OH− ...
Add the Half-Reactions and Cancel (The electrons must cancel) Example (from step 6): 12 e−+3 H 2 O +3 CH 3 OH +28 H+(aq ) +2 C ...
COMMON IONS Ions Usually With One Oxidation State Li+ lithium ion N^3 − nitride ion Na+ sodium ion O^2 − oxide ion K+ potassium ...
Formula Name Ion Ion name H 3 PO 4 phosphoric acid PO 43 − phosphate ion H 2 CO 3 carbonic acid CO 32 − carbonate ion HMnO 4 per ...
Ligand Formula(abbreviation) Ligand name Cyanide ion CN− cyano Fluoride ion F− fluoro Hydride ion H− hydrido Hydroxide ion OH− h ...
BIBLIOGRAPHY Brown, Theodore L., H. Eugene Le May, Jr., and Bruce E Bursten. 2006. Chemistry. The Central Science, 10th ed. Uppe ...
WEB SITES Here is a list of Web sites that contain information and links that you might find useful in your preparation for the ...
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