Chem 1075 Ch. 3 The Metric System Learning Goals / Study Guide
Suggested Homework Problems:
Old 4th Edition:
p. 65 Key Concepts #8
p. 65-66Key Terms
p. 66 Exercises:5,7,9,11,13,15,17,19,25,27,29,31,32,37,41,43,45,47,49,53,55,57,59,61,63,67,73,
77,81,83,85,87,89,91
New 5th Edition:
p. 67 Key Terms
p. 67 Exercises: 3, 5, 11-31 odd only, 35-47 odd only, 53,55,59-67 odd only, 75, 77, 85, 87, 95
p. 71 Chapter Self-Test
Learning Goals:
1. Know metric prefixes, abbreviations and meanings
2. Be able to write a unit equation (equality) for a metric prefix related to its base unit
(i.e. 1000mL = 1 m)
3. Be able to convert from one metric unit to another.
4. Be able to convert from metric to English (or reverse). English-Metric relationships will be
given.
5. Be able to calculate volume of a rectangular solid (V = L x W x H)
6. Be able to express volume in mL, L, cm3, in3
7. Know how to determine volume by water displacement method.
8. Know definition of density and how to perform density calculations
9. Know concept of density with relation to “floating” or “sinking”
10. Know temperature conversion equations and how to apply them. (K —> oC —> oF)
11. Know difference between “heat” and “temperature”
12. Be able to convert between heat energy units (cal, kcal, J, kJ)
13. Know specific heat equation (Heat E = m x SH x T) and how to use it
Extra Practice:
1. Complete the following metric equalities:
a) 1 dL = ________L b) 1 L = _______dL c) 100cm = ______m d) 1cm = _______m
2. Convert the following:
a) 0.388Mm to m b) 72.4mL to L c) 1300g to g d) 0.04Gg to g
3. Convert the following:
a) 6.32 km to Mm b) 9313ng to g c) 444mL to dL d) 36ns to ms (s = seconds)
Answers: 1a) 1/10 or 0.1; 1b) 10; 1c) 1; 1d) 1/100 or 0.01; 2a) 388000 or 3.88 x 10 5 (sci not better); 2b) 0.0724 or
7.24 x 10–2; 2c) 0.0013 or 1.3 x 10–3; 2d) 4 x 107; 3a) 6.32 x 10–3; 3b) 9.313; 3c) 4.44; 3d) 3.6 x 10 –5
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