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7. (3 pts) How will the addition of sodium acetate (NaC2H3O2) to an acetic acid (HC2H3O2)
solution affect pH?
lower the pH.
the pH will not change.
the solution becomes hotter.
the pH cannot be measured.
raise the pH
Test 3 Solutions
Closed books and notes except for the formula sheet provided on the last page.
Calculator OK. No computers.
Total time allowed 75 minutes.
Assume all displacements are measured from equilibrium positions.
Student ID Number_
LAB Sec. # _; TA: _; Lab day/time: _
Dr. Andreas Toupadakis
CHEMISTRY 2B (Sec. D)
CLOSED BOOK EXAM! No books, notes, or additional scrap paper
are permitted. All information required is cont
EATS 1011 3.0 Introduction to Atmospheric Science
A. argon at 1% (water is not constant)
Where is most of the O3 (ozone) in the earth's atmosphere today?
In the troposphere.
In the stratosphere.
In the mesosphere.
In the t
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Part II: Multiple Choice, Short Calculations
Circle the correct answer and circle your response on the cover No partial credit
13. (6 pts) Calculate the molar solubility of PbBr2 (Ksp = 7.9 x 105) in water assuming the
5. Match the controllers
(i-iii) on the left with their intended properties (a-c) on the right. (3 points)
a. Eliminates steady-state (oset) error
b. Improves the spee