HEAT: Latent Heat 2

It's the SI unit for Heat

• Watts

• Celsius

• Joules

• Nm

It's the amount of heat required to change the state (gas,liquid, solid) of a unit of material

• Latent Heat

• Specific Heat

• Temperature

• Q

Tags

NGSS.MS-PS1-4

Latent heat is

• the heat absorbed or released at a boiling process during a change of phase

• the heat absorbed or released at a constant temperature during a change of phase

• the heat absorbed or released at a constant temperature during a change of phase of 1 kg object

• the heat absorbed or released by an object to increase or decrease its temperature by 1 degree Celcius

Tags

NGSS.MS-PS1-4

The heat absorbed by melting a solid is known as

• latent heat of fusion

• latent heat of solid

• latent heat of liquid

• latent heat of vaporisation

Tags

NGSS.MS-PS1-4

specific latent heat of vaporisation is

• the amount of heat required to change 1 kg of the substance from the solid to liquid phase without change in temperature

• the amount of heat required to change 1 kg of the substance from the liquid to gaseous phase without change in temperature

• the amount of heat required to change the temperature 1 kg of the substance by 1 degree Celcius

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Specific latent heat is the amount of energy required to change the state of 1 kg of a substance without changing its ___________.

Tags

NGSS.MS-PS1-4

The diagram shows a heating curve for ice. Which line represents the ice melting?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-4

The diagram shows a heating curve for ice. Which line represents the ice in a liquid state (water)?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-4

The diagram shows a cooling curve for ice. Which line represents the ice in a liquid state (water)?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-4

The diagram shows a cooling curve for ice. Which line represents the ice freezing?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-4