Chemistry, 18.12.2020 09:00 letsbestupidcx2314
Select the correct answer. Which structure represents nonane? A. one carbon atom forming single bonds with four hydrogen atoms B. two carbon atoms forming single bonds with six hydrogen atoms C. 5 carbon atoms forming single bonds with 12 hydrogen atoms D. 9 carbon atoms forming single bonds with 20 hydrogen atoms
Answers: 2
Chemistry, 22.06.2019 06:00
Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.
Answers: 2
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 16:50
Which element is least likely to undergo a chemical reaction
Answers: 3
Select the correct answer. Which structure represents nonane? A. one carbon atom forming single bond...
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