The aldol reaction is ALWAYS a reaction between [ Select ] . For best results, one of the two starting reagents will have [ Select ] . Flag question: Question 2 Question 21 pts A self-aldol or crossed aldol reaction REQUIRES a(n) . Group of answer choices

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.