Chemistry Honors – Class 41
- Period A – Thursday, November 21st
- Periods C, D – Friday, November 22nd
Video 1 – “A Matter of State” (see video series [LINK])
- The video states that states of matter may be changed. What is needed to make this possible
- What is the relationship between the temperature and pressure of a gas?
- Describe, at the molecular level, how temperature affects the pressure of a gas.
- How does the collapsing can demo work. Draw diagrams of before, during, and after the heating.
- How is liquefied natural gas produced?
- What are some uses of liquid nitrogen?
- Why does the process of perspiration cool a person?
- Describe the element bromine in its three states.
- What happens to the particles in bromine as it is cooled?
- What does the shape of a crystal tell us about its internal structure?
Video 2 – “Water” (see video series [LINK])
- What is the annual rate of consumption of water per person? What percent of this is for agricultural purposes?
- What are the main uses of water in industry?
- How does the mass of a water molecule compare to common gases like nitrogen, oxygen, and carbon dioxide?
- What is meant by a polar molecule?
- What is hydrogen bonding?
- What are some properties of water that are due to hydrogen bonding?
- What is unusual about the density of ice compared to the density of water?
- Briefly describe the dissolving process.
- What generalization may be made about whether or not one material will dissolve in another?
- Why is there controversy about the amount of various chemicals that may be found in a sample of water?
- Make sure you have answered the questions and submitted to Dropbox
- Note – neatness matters 🙂