Exam2_Practice

Exam2_Practice - Exam A Exam A Chem 1C Exam 2 Summer 2010...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Exam A Exam A 1 Chem 1C – Exam 2 Summer 2010, Levenson Last name: First name: a Perm # s --- On Scantron, bubble in perm and test A or B, and write name clearly --- --- Please print your name and perm clearly with block letters --- .225 R <Tetrahedral < .414 R < Octahedral < .732 < Cubic ΔT b = i K b m ΔT f = i K f m CN - > NO 2 - > en > NH 3 > H 2 O > OH - > F - > Cl - > Br - > I - Π=MRT sin 2 d n 1 2 1 1 ln 2 1 T T R H P P vap T vap T vap solvent solvent solution P P 1 atm = 760 torr
Background image of page 1

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

View Full Document Right Arrow Icon
Exam A Exam A 2 1) (1 pt) Doping Ge with As would produce a(n) __________ semiconductor with __________ conductivity compared to pure Se. a) n -type, decreased b) n -type, increased c) p -type, increased d) p -type, decreased e) intrinsic, identical 2) (1 pt) Which of the following are stereoisomers? I. optical isomers II. linkage isomers III. geometric isomers IV. coordination isomers a) I, II b) II, IV c) I, III, IV d) II, III e) I, III 3) (1 pt) Which of the following statements is true ? a) The ionic solid K 2 PO 4 has an ideal van’t Hoff factor i of 2 b) Silica (empirical formula SiO 2 ) is an example of an ionic solid c) Bonding in metals is commonly described as positive metal ions surrounded by a ‘sea’ of electrons d) Colligative properties are unique in that they only depend on the identity of the solute. e) Two of the above are true 4) (2 pts) What is the expected osmotic pressure in torr of a 0.0250 M solution of KCl in water at 25°C? a) 0.613 b) 929 c) 39 d) 465 e) none of these
Background image of page 2
Exam A Exam A 3 5) (1 pt) Which of the following is the smallest hole in a closest-packed lattice of spheres? a) octahedral b) cubic c) tetrahedral d) trigonal e) none of these 6) (1 pt) A liquid-liquid solution is called an ideal solution if I. it obeys Raoult’s law. II. it obeys
Background image of page 3

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

View Full Document Right Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 8

Exam2_Practice - Exam A Exam A Chem 1C Exam 2 Summer 2010...

This preview shows document pages 1 - 4. Sign up to view the full document.

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