What are the acids in the following equilibrium reaction

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?

In pqr m< p=60 m< q= 30 and m

Which statement best describes the flow of energy in this scenario