five characteristics of water and relate them to the structure of water

After you have read chapter 2, and watched/listened to the videos/audios,  please thoroughly answer the following questions so that I can assess your understanding of basic chemistry and ensure misconceptions are addressed.

1. Name five characteristics of water and relate them to the structure of water.

2. All proteins have three basic structural levels. Describe those. Why does hemoglobin have a quaternary structure?

3. Explain how soaps, when added to oils, will cause the oil to mix with water.