Chemistry, 09.12.2020 03:50 lilsnsbsbs
B.
The melting point of silicon is determined in four separate trials. The results are 386.75 K,
386.95 K, 386.73 K and 386.27K.
1) Calculate the average melting point of sulfur.
386.68 K
2) Calculate the four absolute deviations.
0.07 K, 0.27 K, 0.05 K, 0.41 K
3) Calculate the average absolute deviation
0.20
4) Calculate the percent deviation.
0.052 %
Answers: 3
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In the diagram here that represents the reaction, which reactant, a or b, is the limiting reagent?
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In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 3.75 mol fe and 8.70 mol nio(oh) react?
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Hjulstrom's diagram plots two curves representing (1) the minimum stream velocity required to erode sediments of varying sizes from the stream bed, and (2) the minimum velocity required to continue to transport sediments of varying sizes. this is a modified version of the diagram, showing only the transport segment. stream competence refers to the heaviest particles a stream can carry. according to hjulstrom's diagram stream competence depends on a) particle size. b) stream velocity. c) stream deposition. d) stream channel shape.
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B.
The melting point of silicon is determined in four separate trials. The results are 386.75 K,
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