i REALLY NEED HELP ON THIS QUESTION

Weight Percent Zinc a) Identify the eutectic concentrations and temperatures. b) Four (4) interatomic compounds are not labeled. Label them with the correct compound formula. c) What happens to pure Ca at 443C ? d) A sample of 30 at %Zn is cooled from 900C to 300C. 1. What phases are present? 2. What are the concentrations of these phases? 3. What are the amounts of these phases? e) A sample of concentration 83.33 at %Zn is cooled from the liquid to 420C ? 1. What phases are present? 2. What are the concentrations of these phases? 3. What are the amounts of these phases? f) A sample of 70 at % is cooled from the liquid to 660C. 1. What phases are present? 2. What are the amounts of these phases