Phase Changes and Heat Calculations

The phase change from water vapor to liquid water is known as...

• evaporation
• precipitation
• condensation
• sublimation

Tags

NGSS.MS-PS1-4

NGSS.MS-ESS2-4

2. A change of state from a liquid to a solid is called....

• Melting
• Freezing
• Evaporation

Tags

NGSS.MS-PS1-4

5. What is it called when a solid turns directly into a gas?

• Sublimation
• Condensation
• Liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Change from Liquid to Solid is call......

• fusion
• Freezing
• sublimation
• evaporation

Tags

NGSS.MS-PS1-4

What is deposition?

• Phase change from gas to solid
• phase change from liquid to solid
• Phase change from solid to gas
• Phase change from liquid to gas

Tags

NGSS.MS-PS1-4

Endothermic phase changes include

• conduction, convection and radiation
• freezing and condensation
• vaporization and condensation
• melting, boiling, evaporation and sublimation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In an endothermic reaction, energy is _________.

• absorbed

• released

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-6

gas --> liquid --> solid is what type of reaction?

• endothermic

• exothermic

• catalytic

• inhibited

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The specific heat(c) of copper is 0.38 J/g °C. What is the temperature change(∆t) when 100.0 Joules of heat(Q) is added to 20.0 grams?

• 13 °C

• 380 ^oC

• 760 ^oC

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

What  is the formula to calculate heat energy required to raise the temperature of any substance?

• Q=mc∆t
• Q=mc
• Q= ½mv
• m=QC

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4