Chemistry, 25.09.2019 01:20 shawnamiller31412
Tim puts his spare change in a jar each day when he comes home. when the jar is full he separates the coins and takes them to the bank. the coins would be classified as a
a) compound
b) element
c) mixture
d) solution
Answers: 1
Chemistry, 22.06.2019 14:00, hammackkatelyn60
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
Chemistry, 22.06.2019 19:30, Karinaccccc
How might this scientific phenomena be explained? a paper clip floats on water.
Answers: 1
Chemistry, 22.06.2019 21:30, crystalbyrd79p8imrx
What is the effect of returning nuclear reactor cooling water back into bodies of water?
Answers: 3
Tim puts his spare change in a jar each day when he comes home. when the jar is full he separates th...
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