Achemist in a galaxy far, far away performed the millikan oil drop experiment and got the following results f? 1.64 10-12 zirkombs 4.92 10-12 zirkombs use these data to calculate the probable charge of the electron in zirkombs.

Is this a scientific model? use complete sentences to explain why or why not. a graphic organizer showing the water cycle

Stoichiometry- i need with 14 and 15! an explanation would be appreciated!

Reacting masses1 calcium carbonate breaks down on heating to produce calcium oxide and carbondioxide gas.caco3 + cao + co2a student heats 15 g of calcium carbonate strongly in a crucible.relative atomic masses (a): ca = 40, c = 12, o = 16.calculate the mass of calcium oxide produced by this reaction.(5 marks)