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| difference between your measured value of a property and its true value |
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| the range of a repeated set of measurements |
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| has a definite cause and causes the results of a series of measurements to be all high or all low |
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| affects the precision of the measurement by causing the data to be scattered around a mean value |
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| a bad, careless, or sloppy reading. NOT AN ERROR OR UNCERTAINTY |
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| the uncertainty of the average value of the measurements |
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| experimental uncertainty of a measurement on a measuring scale |
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| plus/minus half the smallest division on the scale |
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| a property that is independent of the amount of substance present |
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| properties dependent on the amount of material used and thus cannot be used to characterize a substance (mass & volume) |
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| mass of a substance divided by the volume it occupies |
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the amount of heat that is required to change the temperature of 1 gram of substance 1 degree celsius
specific heat capacity = heat/(mass * delta T) = Joules/g degrees celsius |
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| insulated container that prevents heat loss to or absorption of heat from the outside surroundings |
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| reaction gives up heat to the environment so the temperature rises |
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| mole fraction = number of moles A/ (number of moles A + number of moles B) |
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| all substances written as undissociated compounds |
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| all substances written as ions, as they exist in water |
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| ions that are not involved in a chemical reaction |
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| the total ionic equation with the spectator ions removed |
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| the reactant that loses electrons |
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| reactant that gains electrons |
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| hypothetical charge assigned to an atom |
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| single-replacement reaction |
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