Lesson 3: Precipitation Reactions. A precipitation reaction is a reaction in which soluble ions in separate solutions are mixed together to form an insoluble compound that settles out of solution as a solid.That insoluble compound is called a precipitate.Solubility Rules for Ionic Compounds.esson 3: Precipitation Reactions. A precipitation reaction is a reaction in which soluble ions in separate solutions are mixed together to form an insoluble compound that settles out of solution as a solid. That insoluble compound is called a precipitate. Solubility Rules for Ionic Compounds.
The finding that extrinsic rewards can undermine intrinsic motivation has been highly controversial since it first appeared (Deci, 1971).
They found out that the transparency and the controllability of the compensation system were found to have no effect on the level of extrinsic motivation. Moreover, the level of intrinsic motivation is not influenced by any of the characteristics of the monetary compensation system. However, two perceived characteristics of promotion opportunities have a significant positive effect on intrinsic motivation.