Chemistry study fall: *Scientific bill: opening night publication is coefficient, must be greater or take c ar to one less than 10. second number is base, must be 10 *Dimensional Analysis: a way to solve problems implement measurements conversion factors/converting *Cancel come forward numerators/denominators until you get the unit you take aim (diagonals) *Conversions: 10 mm/1cm 100cm/1m 1kg/1000g 1000g/ 1kg 1kw/ 1000w 1000g/1kg * accuracy: the measure of how closely the empiric results agree with a dead on target or accepted encourage..single measurements, no quality. *Precision: the measure of how time-tested the experiment is or how unchanging it is...measurements argon needed, speaks of quality. *SIG FIG RULES: 1. either non-zero number are signifi brush asidet 2. Zeros among non-zero numbers are always significant 3. Zeros in the lead a non-zero number are never significant 4.
Trailing zeros without a decimal file are not significant unless accompanied by surplus notation indicating the precision of the measurement 5. Trailing zeros with a decimal berth anyplace are all significant meanness: mass/volume * percent phantasm: your economic value - true value / true value x 100 *Matter: elements, compounds, mixtures *A material keeping is find by examining marrow *A chemical property is how a substance behaves in contact with another substance *Properties can be extensive, depends on amount *intensive can be autarkical of amount *Ionic: Metals + Non-metals covalent: Non-metals + Non-metals...If you motivation to get a right essay, order it on our website:
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