Chemistry, 10.01.2020 22:31 JasminGodoy
Suppose you increase your walking speed from 4 m/s to 13 m/s in a period of 1 s. what is your acceleration? m/s2
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Alarge marble is dropped in a graduated cylinder with 35ml of water in it.the water level increases to 49ml.what is the volume of the marble
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Compare and contrast physical changes with chemical changes.
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The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
Answers: 3
Suppose you increase your walking speed from 4 m/s to 13 m/s in a period of 1 s. what is your accele...
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