Quizzes and Exams - constants, conversion factors, periodic table, equations, etc.

Zellmer, Robert zellmer.1 at osu.edu
Tue Aug 30 13:36:37 EDT 2022


I've been receiving questions about this.

For quizzes and exams you get a periodic table page.  It may also
have some constants.

I don't usually give equations for quizzes.  On exams we might give
some equations but not all (usually the easiest most used eqns aren't
given).  There aren't many equations in the first 3 chapters.  You should
know the temp. conversion eqns, density eqn, kinetic energy eqn, etc.
Look at the "Key Equations" section at the end of each chapter.

You need to know common relationships such as:

1 ft = 12 in
1 yd = 3 ft
l lb = 16 oz (dry oz)
1 cup = 8 oz (liquid oz)
1 pint = 2 cup
1 qt = 4 cup
1 gal = 4 qt
etc.

The only US to metric unit you need to remember is:

1 in = 2.54 cm (exact by definition)

We will give you other US to metric conversions.

You need to remember the 6 metric relationships I told you to learn
in the notes and lecture (kilo, deci, centi, milli, micro, nano).  Mega-
is another common one.

Remember, conversions w/in a system are exact since the conversion
factors are defined quantities.

You need to know the names and symbols of the first 30 elements. You don't
have to know exactly where they are in the PT by memory, their atomic no.
or their atomic weights. As we are introducing more elements you should be
learning their symbols and names as well (at least for the more common
ones, a few of which are Hg, Br, I, Sn, Pb, As, Sb, Bi, groups 1A, 2A and
noble gases through Xe).

Dr. Zellmer
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