Chemistry 12 First Exam 8 October 3, 2007
Gas constant, R: 0.0821 l-atm/mol-K
8.314 J/mol-K
of the following pairs that would be expected to be
more soluble in H20:
0) (2 pts) CHaoH or CH3CH2CH20H
b)(2 pts) CCl4 or CH2Cl2
9 solution is l.05 g/mL.
a) (6 pt
. ' 'I
I
CHEM 112 Exam I February 13, 2006
l. (25) Show that the wavemction w = cos ax is a solution of the differential equation for a specic value of
La,:
dzw/dxz - (cos x/sin x) (dw/dx) + 3 w = E w.
Indicate the value of a and give your answer for the
t:
i.
5
* Exam 1 General Chemistry - Chem 111113 Instructor: Ramaker
mag.
All Questions count 2 mints except those indicated by (4 or 6) which count 4 or 6 points
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the