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sir, please explain the red part of both the graphs ... why for substaces like water (which contract on melting), increase in temp. decreases pressure and why for substances like CO2 (which expand on melting), increase in temp. increases pressure ?? These P-T phase diagrams are not included in my Board(Assam) Exam Course.. are they in IIT JEE and AIEEE syllabi ??? If not, i'll leave them as they confuse me a lot


sir, please explain the red part of both the graphs ...
 
why for substaces like water (which contract on melting), increase in temp. decreases pressure
and why for substances like CO2 (which expand on melting), increase in temp. increases pressure ??
 
 
These P-T phase diagrams are not included in my Board(Assam) Exam Course.. are they in IIT JEE and AIEEE syllabi ??? If not, i'll leave them as they confuse me a lot


Grade:upto college level

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