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23 Cards in this Set
- Front
- Back
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Mass |
Kilograms (kg) |
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Length |
Meter(m) |
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Volume |
Liter(L) |
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Temperature |
Kelvin(K) |
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Celsius |
Mostly used because water freezes @ 0 degrees c and boils @ 100 degrees c |
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Weight depends on.... |
Pull of gravity |
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Density = |
Mass/volume (g/mL-liquid) (g/c^3 - solid) |
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Accuracy |
How close a measurement is to a true value |
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Precision |
The ability to reproduce a set of measurements |
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Chemistry |
Composition and structure of matter |
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Pure chemistry |
Just wants to know- no monetary gain expected |
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Applied chemistry |
Serves a purpose, creates a new product, cures a disease- makes money for developers |
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Famous for the discovery of the principle of conservation of mass and fire needed oxygen in order to burn |
Antoine Lavoisier |
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A set of well tested explanations (hypotheses) to explain an observation......these can never be completely proven or the theory becomes a law |
A theory |
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The variable that YOU change |
Independent variable |
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Dependent Variable |
Changes by itself once YOU change the independent variable |
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What are the three steps of numeric problems |
Analyze,calculate, evaluate (ACE) |
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What you know, what you need to know, and how to get there |
Analyze |
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Evaluate |
Does my answer make sense?? |
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How many sig fig in 4300 |
2 (trailing zeroes) |
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Sig fig in 0.000467 |
3 (lending zeroes) |
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Sig fig in 13.00 |
4 |
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Sig fig in 60.09 |
4 (captured 0's) |
