Ch.11 - Liquids, Solids & Intermolecular ForcesWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: 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 a

Solution: 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 a

Problem

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

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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