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 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 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 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?

What information does the following equation becomes more informative. C + O_2 gives CO_2 + heat

Differentiate the following functions w.r.t.x : sqrt(cos (1+x^2))

Differentiate the following function w.r.t x cos(x^(1/2))

0.1 mole of CO_2 has volume at S.T.P.

Differentiate the following functions w.r.t.x : (sin^2x)/(1+cos^2x)