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To prepare soap, a student refluxed 8.9 g of glyceryl tristearate (obtained from animal fat), 2 g of sodium hydroxide pellets and 30 cm3 of ethanol, together with a few anti-bumping granules, using the apparatus shown on the right
(2010)
A stopwatch was started when 50 cm3 of a 0.20 M sodium thiosulfate solution was poured into a conical flask containing 10 cm3 of 1.0 M HCl solution
Write the electron configuration (s, p, etc.) of the oxygen (oxide) ion (O2–)
State two assumptions of Dalton’s atomic theory of 1808
Give the systematic (IUPAC) names for the three hydrocarbon compounds X, Y and Z.
