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| Quantative Observation (Measurement) |
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Definition
| Consist of a number and a unit ( scale) |
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| based on the metric system |
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| a measure of the resistance of an object to a change in its state of motion |
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| the force that gravity exerts on an object to measure its mass |
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| the recording of certain digits and the first uncertain digit ( estimated number) |
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| the agreement of a paarticular value with the true value |
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| the degree of agreement among several measurements of the value of the same quantity |
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| Random Error ( intermediate error) |
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Definition
| that a measurment has an equal probability of being high or low |
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| Systematic Error ( determinate error) |
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Definition
| type of erro occurs in the same direction each time , its either always high or always low |
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| Unit factor method ( Dimensional analysis) |
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| to convert givin results from one system of units to another |
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Definition
| the nature of solutions in which water is the dissolving medium ( solvent) |
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Definition
| oxygen atoms gain slight excess of negative charge and the hydrogen atoms become slightly positive |
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Definition
| postive ends of the water molecule are attracted to the negativley charged anions and that the negative ends are attracted to the postively charged cations |
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Term
| What are the freezing point of water for F, K, C degrees? |
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Definition
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| What is the boiling point of water for F, K, C? |
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Definition
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Term
| Formula for finding Celsius from Kelvin |
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Definition
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| Formula for finding Fahrenheit to Celsius |
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Definition
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| Formula for finding Celsius to Fahrenheit |
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Definition
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Definition
the mass of substance per unit volume of the substance
D=M/V |
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| `anything occupying space and having mass, the material of the universe |
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| rigid, has a fixed volume and shape |
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| Definite volume, but no specific shape it assumes the shape of its container |
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| No fixed volume or shape, it takes the shape and volume of its container |
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a pure substance that has a variable compsoition
Ex: wood |
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| having visibly indstinguishable parts |
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| having visibly distinguishable parts |
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| Homogeneous mixture consisting of a mixture of gases |
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| one with constant composition |
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| a change in the form of a substancenot in its chemical compostion |
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| a process that depends on differences in the volatility( how readily a substances become gas) of the components |
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| used for solids and liquids |
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| applied to s series of methods that employ a system with two phases( states) of matter. |
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| Chromatography:Stationary, Mobile Phase |
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Definition
| Stationary: a solid, Mobile: either a liquid or a gas |
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Definition
| employs a strip of porous for the stationary phase |
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Definition
| a substance with constant composition that can be broken down into elements by chemical processes |
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Definition
| one in which a givin substance becomes or substances with different properties and different composition |
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| substances that cannot be decomposed into simpler substances by chemical or physical means |
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