A solution is formed when the solute uniformly disperses throughout (or dissolves in) the solvent. The process can be described by three steps:
1. separation of solvent-solvent particles (AKA expanding the solvent),
2. separation of solute-solute particles (AKA expanding the solute), and
3. formation of solute-solvent interactions.
Classify the steps involved in the formation of a solution as being endothermic or exothermic.
A. Step 1 is exothermic, Step 2 is exothermic, Step 3 is endothermic
B. Step 1 is endothermic, Step 2 is endothermic, Step 3 is exothermic
C. Step 1 is endothermic, Step 2 is exothermic, Step 3 is exothermic
D. Step 1 is exothermic, Step 2 is endothermic, Step 3 is exothermic
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