Chemistry, 21.11.2020 01:00 linnybear300
Think of substances that you see around you. At an atomic level, what might they look like and how do they change when they undergo chemical reactions?
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Chemistry, 22.06.2019 06:30
The minerals found in bones are deposited by living cells called
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Chemistry, 22.06.2019 10:10
Stage in which a typical star has completely stopped fusion
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Chemistry, 22.06.2019 14:00
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.
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Chemistry, 22.06.2019 18:50
At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver
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Think of substances that you see around you. At an atomic level, what might they look like and how d...
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