Chemistry 132, Winter 2008 Solutions to Homework No. 1
Problem 1.
See Levine problem 11.1. (a) True. The activity of component i in a reaction mixture is defined in terms of an exponential function, w
Chemistry 132, Winter 2008 Solutions to Homework No. 2
Problem 1.
See Levine problem 12.1. (a) True. Addition of a solute B at constant T and P to pure solvent A decreases the mole fraction xA of the
CHEM 132 Homework #2 (due 04/20/2017)
1. Estimate the fraction of the nitrogen molecules that have speeds v at
500 K in the range 290 m/s to 300 m/s.
Hint: The interval is small enough to be considere
CHEM 132 Homework #5 (due 05/18/2017)
1. A second order reaction 2A products with rate coefficient k is 50%
complete in 50 min. The initial concentration of A is 5 103 mol/dm3 .
Is there enough inform
CHEM 132 Homework #4 (due 05/04/2017)
1. Interstellar space is a medium quite different from the gaseous environments we commonly encounter on Earth. For instance, a typical
density of the medium is a
CHEM 132 Homework #3 (due 04/27/2017)
1. Naturally occurring hydrogen consists of 99.985 mol % 1 H 1 isotope and
0.015 mol % 1 H 2 isotope (known as deuterium, designated 1 D2 ). These
two isotopes gr
CHEM 132 Homework #1 (due 04/13/2017)
, (b) the standard Gibbs
1. Determine: (a) the standard cell potential Ecell
free energy g , and (c) the equilibrium constant K for the following
reaction at 25 C
CHEM 132
MIDTERM EXAM
K. Lindenberg Winter 2007
STUDENT ID
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1.
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TAL MIDTERM
TOTAL NUMBER OF PAGES INCLUDING THIS COVER PAGE: 13. NOTE: As announced, this exam is based
Chemistry 132, Winter 2008 Solutions to Homework No. 3
Problem 1.
See Levine problem 14.12. (a) True. Taking the derivative of E (Levine eq. 14.41) with respect to the activity aj of substance j gives
(1.15) True. The distribution function for vx , g(vx ), has a maximum at vx = 0 (Levine p. 469) independently of the type of gas. Since all velocity components have the same distribution function (Lev
Chemistry 132, Winter 2008 Solutions to Homework No. 5
Problem 1.
Given n possible values xi , i = 1 n, of a discrete random variable X, and given a function f (X) of the variable X, the average va
Chemistry 132, Winter 2008 Solutions to Homework No. 6
Problem 1.
See Levine problem 16.6. (a) False. By integrating Newton's viscosity law (Levine eq. 16.15) it can be shown that for a layer with rad
Chemistry 132, Winter 2008 Solutions to Homework No. 7
Problem 1.
See Levine problem 17.1.
products. Neither an intermediate nor a catalyst appears in the overall reaction. A reaction intermediate fi
Chemistry 132, Winter 2008 Solutions to Homework No. 8
Problem 1.
See Levine problem 17.44. (a) Assume a rate law of the form r = k[A] [B] [E] (Levine eq. 17.5), where A, B, and E represent ClO- , Cl-
Chemistry 132, Winter 2008 Solutions to Homework No. 9
Problem 1.
In a chain reaction, the chain carriers are reactive intermediates that occur in chain propagation steps (Levine p. 565). A step that
Chemistry 132, Winter 2008 Solutions to Homework No. 10
Problem 1.
See Levine problem 22.54. Solve for N2 , at T = 300 K with rot = 2.86 K and zrot = 51.0. (a) The fraction of molecules in the rotatio
CHEM 132 Midterm exam (05/08/2017)
1. The aluminum-air cell is being actively developed for use as a battery
system to power electric automobiles. The half-cell reactions are:
H2 A`O3 (aq) + H2 O(liq)