Problem: For the choices below, what is the normal boiling point of this substance? 1. 230°C2. 100°C3. 200°C4. 150°CWhat is the critical pressure for this substance?1. 50 atm2. 0.08 atm3. 44 atm4. 25 atm5. 1 atm6. >100 atm

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FREE Expert Solution

We’re being asked to determine the normal boiling point and critical pressure of a given substance base on its phase diagram


Recall that a phase diagram shows the transition of matter between solid, liquid, and gas phases as temperature and pressure changes.


In a phase diagram, the different phases can be identified by their location:

• Solid: can be found at high pressure and low temperature; labeled A in the phase diagram

• Liquid: can be found between the solid and gas regions; labeled B

• Gas: can be found at low pressure and high temperature; labeled C


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Problem Details

For the choices below, what is the normal boiling point of this substance? 

1. 230°C

2. 100°C

3. 200°C

4. 150°C

What is the critical pressure for this substance?

1. 50 atm

2. 0.08 atm

3. 44 atm

4. 25 atm

5. 1 atm

6. >100 atm

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