Unit #1Unit #2Unit #3Unit #4Unit #5Unit #6Unit #7Unit #8Unit #9Unit #10
spacerUNIT # 1  
spacerspacerIntroduction
spacerspacerObjectives
spacerspacerReading

spacer1.1
Metric
spacerSystem
spacerSI System
spacerBritish System

spacer1.2 Temperature
spacerMeasure-
spacerments

spacer1.3 Scientific
spacerNotation

spacer1.4 Dimensional
spacerAnalysis

spacer1.5 Precision,
spacerAccuracy,
spacerUncertainty

spacerLimitation of the Measuring Instrument
spacerAnalysis of the Limitation of a Ruler
spacerAnalysis of the Limitation of another Ruler
spacer1.6 Significant
spacerFigures

spacerThe Magnitude and Reliability of the Measurement
spacerFive Rules for Determining the number of Significant Figures in a Measurement

spacer1.7 Calculations
spacerInvolving
spacerSignificant
spacerFigures
spacerRules for Rounding off Numbers
spacerRules for Addition  and Subtraction

spacerRules for Multiplication and Division

spacer1.8 Density
spacerDensity and Temperature
spacer1.9 Specific
spacerGravity
spacerspacerProblems
spacer1 | 2 | 3
   

Unit #1 Measurements
Word Problems

1. The density of uranium, U, is 18.95 g/mL. What is the volume, in mL, of 123 g of uranium?

6.49 mL
0.154 mL
0.273 mL

2. A square piece of aluminum foil, 5.0 cm, along the edge, is found to weigh 0.1148 g. Given that the density of aluminum is 2.70 g/cm3, what is the thickness of this foil in angstrom.

3. 1.00 g of oxygen gas, O2 gas has a volume of 670.2 mL. The same mass of carbon dioxide gas, CO2 occupies 505.8 mL. What are the densities of the two gases?

 
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