Dr. HJ Yeo – Spring 2011
Homework #1 BCHS 3304 –
Spring 2011
Review of Basic Calculations, Life, Thermodynamics, and Water
Note: This homework will not be collected. However, quizzes and exams will assume that you
have completed and understand
the homework assignment and can answer related questions.
Reading Assignment
: Chapter 1 of
Biochemistry
Chapter 2 of
Biochemistry
.
Show all work and remember to incorporate your units throughout your calculations.
1
. Convert using scientific notation to liters: 8 nanoliters, 22 microliters, 40 milliliters, 9 deciliters,
6 kiloliters.
2
. Convert using scientific notation to grams: 6.1 mg, 22
μ
g, 21 mg, 103 ng, 10 kg
.
3
. You have just begun your Senior Honor's Thesis. Your advisor asks you to make a series of
stock solutions. She also explains that you may use a pH meter to adjust the pH. Calculate how
much of the solid reagent you would add to make the following:
A. 200 ml 1 M Tris, pH 8.0 (MW=121.4 g/mole)
B. 1.0 L 5 M NaCl (MW= 58.44 g/mole)
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 Spring '08
 JOHNSON
 Trigraph, Kilogram, following problems, Student Companion to Biochemistry

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