A student balances the following redox reaction using half-reactions.

Upper A l plus upper M n superscript 2 plus right arrow upper A l superscript 3 plus, plus upper M n.

How many electrons will be lost in all?
1
2
5
6

What happens to energy in an open system?

Which solution is an example of a nonelectrolyte? a. iodine in hexane b. sodium nitrate in waterc. acetic acid in waterd. hydrogen chloride in water

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?