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Worksheet 3 Chemistry 100
(Appendix A and B)
Name
1. (1) Which of the two, scientific law or scientific theory, is based only on scientific
observations?
2. (2) Give two reasons why drug companies are reluctant to bring new antibiotic
drugs to market?
3. (3) How many significant figures are in each of the following numbers.
a. 10.345
b. 0.0802
d. 3 fish
4. (3) For each of the following, give the correct answer with the proper number of
significant figures.
a. 1.2 + 88.62 + 0.243 =
€
b.
12
=
16.2 × 0.251
c.
22.20 + 1.234
=
11
5. (2) For each of the following pairs, circle the larger quantity.
€ a.
100 cm3
or
10 µL
b.
1 µg
or
10 ng
6. (2) How many µg are there in 28.3 kg?
7. (2) The wavelength of yellow light is about 590 nm. How long is this in cm?
8. (1) A student extracts 0.0033 grams of limonene from orange peel. What is the
mass of limonene in milligrams?
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interventions and client outcomes as much possible. To meet this
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criteria for using single-system (subject) designs as evidence of
effective practices in this week’s resources. Consider whether the study
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measure problem-change and task completion corresponds. Consider what
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Understand how the load impedance acts as a boundary condition that can result in wave reflection if the
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