Practice: If the distance between Washington, D.C. and New York City is 224.9 miles, determine the distance in centimeters.
Subjects
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Classification of Matter | 18 mins | 0 completed | Learn Summary |
Physical & Chemical Changes | 19 mins | 0 completed | Learn Summary |
Chemical Properties | 9 mins | 0 completed | Learn Summary |
Physical Properties | 7 mins | 0 completed | Learn |
Intensive vs. Extensive Properties | 14 mins | 0 completed | Learn |
Temperature | 12 mins | 0 completed | Learn Summary |
Scientific Notation | 14 mins | 0 completed | Learn |
SI Units | 8 mins | 0 completed | Learn |
Metric Prefixes | 24 mins | 0 completed | Learn Summary |
Significant Figures | 10 mins | 0 completed | Learn Summary |
Significant Figures: Precision in Measurements | 8 mins | 0 completed | Learn |
Significant Figures: In Calculations | 20 mins | 0 completed | Learn |
Conversion Factors | 16 mins | 0 completed | Learn |
Dimensional Analysis | 24 mins | 0 completed | Learn |
Density | 13 mins | 0 completed | Learn Summary |
Density of Geometric Objects | 19 mins | 0 completed | Learn |
Density of Non-Geometric Objects | 10 mins | 0 completed | Learn |
Additional Practice |
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The Scientific Method |
Filtration |
Standard Deviation, Mean, Median & Mode |
Accuracy & Precision |
Types of Energy |
We use dimensional analysis as a fail proof process to convert from one unit to another.
Using Dimensional Analysis, start with the given amount and obtain the end amount by using conversion factors.
Example #1: A TA can grade 4 assignments per hour. If each assignment has 12 questions, how many questions can the TA grade in 130 minutes?
Practice: If the distance between Washington, D.C. and New York City is 224.9 miles, determine the distance in centimeters.
Practice: The average human body is composed of approximately 160 fluid ounces of blood. How many quarts of blood does the average human body possess? (1 gallon = 4 quarts, 1 pint = 2 cups, 1 cup = 8 fluid ounces, 1 quart = 2 pints).
Practice: Lipitor, a pharmaceutical drug that has been shown to lower “bad” cholesterol levels, while boosting “good” cholesterol levels had over $12 billion in sales last year. Each pill weighs 2.5 g, which contains 4.0% of the active ingredient by mass. What mass in kg of the active ingredient is present in one bottle of 120 pills?
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