Specific Heat

The amount of energy required to raise the temperature 1ºC for every kilogram is called____?

• Thermal Energy
• Specific Heat
• Temperature
• Kinetic Energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the symbol for Specific Heat

• Q
• t
• m
• C

What is the symbol for Thermal Energy?

• Q
• t
• m
• C

Tags

NGSS.HS-PS3-2

What unit do you use to measure Thermal Energy?

• J/Kg ºC
• Kg
• ºC
• J

Tags

NGSS.MS-PS3-4

What is the equation to measure change in Thermal Energy?

• Q=mc∆t
• Q=mc
• Q= ∆mct
• m=QC

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How does heat flow?

• Always from cold to warm
• Always from warm to cold
• Both warm to cold & cold to warm
• It depends on the temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

A material was cooled from 100ºC to 40ºC.  What is the temperature change?

• 60ºC
• 40ºC
• -60ºC
• -40ºC

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The specific heat of aluminum is 0.21 J/g°C. How much heat(Q) is released when a 10 g piece of aluminum foil is taken out of the oven and cools from 50° to 100°?

• 105 J

• 10.5 J

• 1.05 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

20 g of water. specific heat of water is 4.18 J/x°C. temperature changes from 20° C to 25° C, how much heat energy (Q) moves from the water to the surroundings?

• 418 Joules

• 209 J

• 83 J

• 4.18 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Determine the specific heat of an unknown object that has a mass of 15g, released 2050J of heat and had a temperature change of 50C to 75C. 

• 5.46 J

• 5.5 J/g $\degree$ C

• 768750 J

• 768750J/g $\degree$ C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4