Answer the following questions based on the P-T phase diagram of carbon dioxide:
What is the efect of decrease of pressure on the fusion and boiling point of `CO_2`?

Answer the following questions based on the P-T phase diagram of carbon dioxide: At what temperature and pressure can the solid, liquid and vapour phases of CO_2 co-exist in equilibrium?

Answer the following questions based on the P-T phase diagram of carbon dioxide: What are the critical temperature and pressure for CO_@ ? What is their significance?

Answer the following questions based on the P-T phase diagram of CO_2 What happens when CO_2 at 4 atm pressure is cooled from room temperature at constnat pressure?

Answer the following questions based on the P-T phase diagram of CO_2 Describe qualitatively the changes in a given mass of solid CO_2 at 10 atm pressure and temperature -65^@C as it is heated upto room temperature at constant pressure.

Answer the following questions based on the P-T phase diagram of CO_2 CO_2 at 1 atm pressure and temperature 60^@C is compressed isothermally. Does it go through a liquid phase?

Answer the following questions based on Hershey and Chase's experiments. What was the need for using a blender an later a centrifuge during their experiments?

Study the diagram and answer the following questions: What does this diagrams shows? Name the step C.