gas laws

True or False: Gases can be compressed. 

• True
• False

Which container will have a lower pressure?

• left
• right
• they both have the same pressure
• I don't know

Increasing the temperature of something is called _______.

• heating
• cooling
• non-reversible change
• reversible change

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-4

In a "direct relationship", such as Charles' Law, when one variable shows an increase the other variable...

• increases as well

• remains constant

• shows a flat line on a graph

• decreases

Tags

NGSS.HS-PS2-1

What phase of matter is shown in the diagram?

• solid
• liquid
• gas
• physical changes

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In which region of the graph would be used to find the melting of the substance?

• Region 2
• Region 3
• Region 4
• Region 5

When volume increases, pressure must...

• Increase

• Decrease

Describe the substance between letters A and B. 

• Solid
• Liquid
• Melting
• Evaporating

Tags

NGSS.MS-PS1-4

Water exists as a _____________ at 700 mmHg and 50 °C.

• solid
• liquid
• gas
• supercritical fluid

At 10 atm, dry ice is heated from -100 °C to 30 °C.  What changes occur?

• freezing, then condensation
• melting only
• sublimation only
• melting, then boiling