Answer the question in your notebook:
1. The difference between anionic and nonionic surfactant, and its application to detergent
2. Can glycerin remove both water-based and oil-based stains? Are these characteristics of glycerin related to its chemical structure?
3. The volume was decreased when a substance was dissolved in water. Why? e.g. I put pellet type sodium hydroxide in a measuring flask, and put distilled water in the flask, then I shook it very well. After that, I realized that the volume was decreased (the top of the solution was below the line of the measuring flask).
4. Where is the extra electron located in the hydroxide ion?
5. When I dip a piece of copper plate and a piece of silver plate in a lemon, a simple chemical cell is formed. Copper slowly dissolves in the lemon to form copper (II) ions. Which ions receive the electrons? My colleague says that it is the hydrogen ion in the lemon juice that receives the electrons
given out by copper, but copper is lower than hydrogen in activity series.
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About Me
- Gary Hi10spro Sakuma
- I have played for 25 years and coached for the last 17 years--certified United States Professional Tennis Association Professional One--worked for Punahou Schools-voted the #1 Sports School in the United States, as a Program Supervisor, in charge of coaching the High Performance Players as well as coordinating programs for K-12 and Tennis Pro Education.
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