Thermal Capacity, Specific heat

What unit do you use to measure Thermal Energy?

• J/Kg ºC
• Kg
• ºC
• J

What is Specific Heat?

• The  amount of thermal energy required to increase the temperature of 1kg of a material by 1°C.
  
• The  amount of radiant energy required to increase the temperature of 1kgof a material by 1°C
• The  amount of energy required to increase the temperature of 1kgof a material by 1°C.
• The  amount of friction  required to increase the temperature of 1kgof a material by 1°C.

Tags

NGSS.MS-PS3-4

The symbol for specific heat is .......

• c
• Q
• m
• t

A high specific heat means...

• It heats up quickly with energy added
• It requires more energy to change temperature

___________ is measured by the unit Joules.

• Heat energy
• Temperature
• Specific heat

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If I heat up 2 pans of water one has 100 mL in it and one has 1000mL. Which one heats up the fastest?

• 100 mL
• 1000 mL
• They both heat up at the same speed
• They cool down.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How much energy is needed to raise the temperature of 5.0 grams of lead from 25°C to 35°C? [specific heat (c) = 0.129 J/(g•°C)]

• 6.45 J/(g•°C)

• 6.45 J

• 16.1 J/(g•°C)

• d.16.1 J

The temperature of a 6.0 g sample of glass changed from 20.0°C to 45.0°C when it absorbed 550 J of heat. What is the specific heat of this glass?

• 0.27 J/g °C

• 3.7 J/g °C

• 130 J/g °C

• 12 J/g °C

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.HS-PS3-1

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

• 418 J

• 209 J

• 83 J

• 4.18 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4