Liquid oxygen at 50 K is heated to 300 K at constant pressure of 1 atm. The rate of heating is constant. Which one of the following graphs represents the variation of temperature with time?

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

 

Answers (1)
A Aadil

As we learnt in

Phase -

We use term phase to describe a specific state of water. Such as solid liquid or gas.

- wherein

 

 

 

During heating, at first temperature will increase then there will be a change of state from liquid to gas hence temperature will be constant.

\therefore graph (a) shows the variation of temperature with time.

 


Option 1)

This solution is correct

Option 2)

This solution is incorrect.

Option 3)

This solution is incorrect.

Option 4)

This solution is incorrect.

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