What is the term for the time it takes for one wavelength to pass a specific
point?
O A. Peri...
Chemistry, 20.01.2021 06:50 adeanbates
What is the term for the time it takes for one wavelength to pass a specific
point?
O A. Period
B. Speed
C. Amplitude
D. Frequency
Answers: 3
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.
Answers: 3
Chemistry, 22.06.2019 23:00
What is the formula of the ionic compound composed of calcium cations and chloride anions
Answers: 1
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What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.
Answers: 3
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