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Name ___________________________ Class Day _________ Date __________ CHM 130 LL endeavor #1 Pre-Lab Assignment As part of the pre-lab assignment you atomic number 18 needed to print out a copy of the investigate and take away it to class the day the investigateation is to be done. The pre-lab assignment is knowing to help you gain a divulge understanding of what entrust be done during the laboratory so you can tar rise the most out of the cartridge clip in lab and be adapted to complete the experiment in the required tot of time. You ar required to empathize the MSDS sheet at the Flinn scientific MSDS web page (http://www.flinnsci.com/search_MSDS.asp) for distributively chemical you will be using in the experiment. This insures you are aware of the potential wellness hazards of works with these chemicals and understand the refuge requirements necessary while working in the chemistry laboratory. (1) What is the adjudicate of essay #1? + Experimen t with physical processes used to set off the component of mixtures. Be able to identify characteristics of physical processes as compared to chemical processes. + Use bunsen burner properly and safely + defend techniques of filtration, extraction, and sublimation for separating the components of mixtures. + Correctly measure and memorialise the majority and volume in this experiment.

Be sure to record mensurations with the advance sum of substantial figures and the hesitation of each metre. (2) What determines the number of digits you record when taking a measurement? Precision of the measure ment determines the number of digits you rec! ord (3) What is the uncertainty of an analytical balance? The uncertainty of an analytical balance (4) What do significant figures tell us about a measurement? The significant figures tell us about how precise the experiment is (5) How many significant figures in each of the following measurements? (a) 45 g __2_______(b) 0.04 g ___2_____(c ) 4050.0 L ___5_____ (d) 0.0098 m __3____(e)...If you want to lodge a full essay, order it on our website: OrderCustomPaper.com

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