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Chemistry, 22.06.2019 21:30
Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h
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Chemistry, 23.06.2019 18:30
Why must pencil be used to draw on paper in paper chromatography
Answers: 2
Chemistry, 23.06.2019 21:00
Jenny takes a piece of paper and dipped it in a bowl of water the paper is now damp and mushy which of the following is our true about the change that occurs when the paper gets wet
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Chemistry, 23.06.2019 22:00
Suggest which functional groups are responsible for the reactions with(i) sodium,(ii) bromine water(iii) alkaline aqueous iodine.(3 marks)(iv) suggest structures for x and y.(1 mark)(b) one molecule that has been found in the dust clouds is hydroxyethanal: hoch2cho.name the two functional groups present in this compound.(2 marks)(c) but-1-ene, ch3ch2ch=ch2, is an important compound in the petrochemical industry.some reactions of but-l-ene are given below. in each empty box, draw the structural formulaand write the name of the organic compounds formed.
Answers: 3
A0.479 g sample of nitrogen, oxygen or neon gas occupies a volume of 265 ml at 157 kpa and 20◦c. wha...
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