Chemistry Unit 3 End of Unit Questions

C3 End of Unit Questions

C3-1 : Acids & Bases

1. Explain the term “hydrated” in terms of hydrogen ions
2. What are proton donors and proton acceptors?
3. Which acid is stronger: pH 6.0 or pH 3.4?
4. What is the point of a titration at which the acid and the alkali have completely reacted?
5. When would you use a phenolphtalein indicator?
6. When would you use a methyl orange indicator?
7. Describe the titration process, including the specialist equipment required

C3-2 : Energy Calculations

1. What is the function of a bomb calorimeter?
2. Explain the difference between an endo- and exothermic reaction
3. Describe the energy changes in an endo- and exothermic reaction
4. What is energy measured in?
5. What is the standard denotation for change in energy?
6. Define activation energy
7. Draw energy level diagrams to show a H-H bond breaking and making

C3-3 : Water

1. Describe the processes involved in the water cycle
2. What are: solute, solvent, solution and solubility?
3. Explain what makes…