When (R)-1-deuterio-ethanol is treated with TsCl/pyridine and then with sodium cyanide (NaCN) in DMF, what product is formed

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change

Which of the following describes a situation where competition between producers exists