Phases of Matter

SOLID TO LIQUID

Energy Change: ​​ (a)  

Molecular Order: ​ (b)  

• HEAT IS ADDED
• DECREASES
• HEAT IS REMOVED
• INCREASES

Refer to the phase diagram on the right. Determine the TRIPLE POINT

Refer to the phase diagram on the right. Determine the SOLID PHASE

Refer to the phase diagram on the right. Determine the LIQUID PHASE

Refer to the phase diagram of CARBON DIOXIDE on the right. Determine the TRIPLE POINT

What is being measured on the y axis?

• Pressure

• Temperature

• Energy

• Mass

What is being measured on the x axis?

• Pressure

• Temperature

• Energy

• Mass

The average atmospheric pressure in Michigan is close to 1 ATM. What state would this substance be in if it was a nice summer day with a temperature of 80 ^o F (27 ^o C)?

• Solid

• Liquid

• Gas

• Michigan

The state of matter where particles are very spread out and moving quickly.

• gas

• liquid

• solid

• Helium

As heat energy increases, temperature...

• increases

• decreases

• remains the same

• varies