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Chemistry, 17.10.2019 04:00, nathanbrockdac
Briefly explain whether the following procedural errors would result in either an incorrectly high or incorrectly low calculated percent cu recovery for this experiment.
a) this solution was not basic when it was heated in part 3. ( in part 3 i convertedcu(oh)2 to cuo).
b) a slightly blue solution was decanted from cu in part v. (in part 5 i reduced cu(h20)6 ions with zink)
c) in part 5 the water in the beaker boiled away, exposing the evaporating dish to excess heat (same as above).
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Chemistry, 23.06.2019 04:31, diamondscott9297
Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.
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Briefly explain whether the following procedural errors would result in either an incorrectly high o...
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