SI Exam 2 Review

SI Exam 2 Review - Chem 105b Kelsey, Nandi, Tara...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Chem 105b [email protected] Kelsey, Nandi, Tara http://www.usc.edu/si EXAM REVIEW 2 1. Categorize the following as an acid, base, or amphoteric species, then indicate which definition the bases fall under Arrhenius: A H + B OH - Bronsted: A = proton donor B = H + acceptors Lewis: Acid: an e - acceptor Base: an e - donor Acid/Base/Bot h? Arrhenius ? Bronsted- Lowry? Lewis? HCl acid yes yes yes NH 3 base no yes yes BF 3 Acid – no lone pairs in the center = space for H + /NH 3 no no Yes HPO 4 2- Both = amphoteric Arrhenius acid but not Arrhenius base Yes for both Yes for both H 2 O Both = amphoteric Yes for both Yes for both Yes for both 2. A 0.150M solution of morphine (a weak base) yields a pH of 10.50. Using this Greetings chemistry brethren (and sisteren). We are pleased to welcome you to the second exam review of the semester. We sincerely hope that your studying has already begun in earnest, but if this is not the case, FEAR NOT! Your trusty SI Some stuff to remember… - This test covers Chapters 15 and 16 (except titrations) - SI “Office Hours” will be Wed 6-8 PM, Room TBA - We will accept questions until Wed night at 8:00 PM (you can also post them on the disc. boards)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Chem 105b [email protected] Kelsey, Nandi, Tara http://www.usc.edu/si information, calculate the pH, the percent ionization of morphine, and the concentrations of all species in a solution with 0.50 M morphine and 0.20M NH 3 (Kb= 1.80x10 -5 ). 3.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/14/2012 for the course CHEM 105B taught by Professor Bau during the Spring '08 term at USC.

Page1 / 9

SI Exam 2 Review - Chem 105b Kelsey, Nandi, Tara...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online