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1. When the energy released by the formation of solute-solvent attractions is greater than the energy absorbed by overcoming solute-solute and solvent-solvent attractions, the dissolving process ____.
2. Mixtures are classified according to their ____.
3. A homogeneous mixture that contains particles in a dispersed phase that do not settle out is a(n) ___.
4. Dissolution processes with negative heats or solution are ______ processes.