How many moles of ammonia are produced due to the reaction with two moles of nitrogen?

Which substances have the lowest melting points: ionic covalent, or metallic

For the following, determine the type of reaction and then give products.

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?