Calculating Heat Energy and Specific Heat

The specific heat of platinum is 0.133 J/g°C. How much heat(Q) is released when a 10 g piece of platinum cools from 100°C to 50°C?

• 66.5 J

• 665 J

• 0.0266 J

• 0.665 J

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

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

• c

• Q

• m

• t

A 500 g piece of metal absorbs 2500 J of heat energy. What is the temperature change of the metal if its specific heat capacity is 0.5 J/g°C?

• 10°C

• 20°C

• 15°C

• 5°C

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

A 100 g sample of water is heated from 20°C to 80°C. How much heat energy is absorbed by the water if its specific heat capacity is 4.18 J/g°C?

• 25080 J

• 4180 J

• 418 J

• 104.2 J

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

NGSS.HS-PS3-2

What does the specific heat capacity of a substance indicate?

• The amount of heat required to change its state

• The amount of heat required to raise its temperature by 1 degree Celsius

• The amount of heat it can absorb before melting

• The amount of heat it can release when cooled

What is the amount of heat energy absorbed by a 300 g piece of metal if its specific heat capacity is 0.4 J/g°C and the temperature change is 15°C?

• 1800 J

• 2000 J

• 2200 J

• 2400 J

Tags

NGSS.HS-PS3-4

What is the specific heat capacity of a substance that requires 5000 J to heat 100 g from 20°C to 30°C?

• 0.5 J/g°C

• 5 J/g°C

• 50 J/g°C

• 500 J/g°C

Tags

NGSS.HS-PS3-4

What is the specific heat capacity of a substance that requires 2000 J to heat 50 g from 10°C to 20°C?

• 0.2 J/g°C

• 2 J/g°C

• 20 J/g°C

• 200 J/g°C

Tags

NGSS.HS-PS3-4

A 200 g piece of metal absorbs 1000 J of heat energy. What is the temperature change of the metal if its specific heat capacity is 0.5 J/g°C?

• 10°C

• 5°C

• 15°C

• 20°C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the formula for calculating heat capacity?

• Q = mcΔT

• Q = mc

• Q = mc^2

• Q = mΔT