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16 Cards in this Set
- Front
- Back
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Addiding/Subtracting w/ Sig Figs |
Precision Line, line goes where we know the last #. |
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Multiplication/Division w/ Sig Figs |
Accuracy, look at the # of Sig Figs |
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Multiplication & Division w/ Exponents |
Mult- add them Ex: 10^6 * 10^4 = 10^10 Division- subtract them Ex: 10^6 / 10^4 = 10^2 |
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A solid has a ________shape & ______ volume. |
Fixed, fixed |
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A liquid has a ______ shape and a ______ volume. |
Variable, fixed |
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A gas has a ______shape and ______ volume. |
Variable, variable |
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Accuracy is |
How close it is to actual value Ex: Given: 25.0 g Accuracy: (24.97,25.02,25.01,24.98) |
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Precision is |
How close values are within themselves Ex: Precision: (23.89, 23.90, 23.86, 23.87) |
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Systematic error is |
A reoccurring error due to a Mis-calibrated instrument. Ex: SE: (23.89, 23.89, 23.91) |
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Dimensional Analysis (units) |
Back (Definition) |
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Conventional Dimensional |
Back (Definition) |
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Element |
Only 1 thing Ex: He |
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Molecule |
2 or more atoms (have to be bound together) Ex: (O2, P4, CO2, H2O, CH4, NH3) |
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Compound |
2 + Different atoms, can’t be the same. Ex: (NaCl, HCl, NaOH, Fe2O3) |
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Prefixes |
G- giga (9) M- mega (6) k- kilo (3) d- deci (-1) c- centi (-2) m- mili (-3) mcr- micro (-9) n- nano (-6) p- pico (-12) (Gmk963, dcm123, pnp9612) |
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Density |
D= m/v |
