Specific Heat

Which of the following best explains why the sand at the beach is hotter than the water?

• Sand has a higher specific heat than water.

• Sand has a lower specific heat than water.

• There is more water than sand at the beach.

• There is more sand than water at the beach.

The temperature of an unknown piece of metal with a mass of 30.00 g changes from 25.0 °C to 35.0 °C when the metal absorbs 350.0 J of energy. What is the specific heat of the metal?

• 1.17 J/g°C

• -1.17 J/g°C

• 0.857 J/g°C

• -0.857 J/g°C

Tags

NGSS.MS-PS3-4

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-PS1-4

NGSS.MS-PS3-4

Which material heats up slowest?

• Aluminium

• Concrete

• Diamond

• Glass

• Water

Tags

NGSS.MS-PS3-4

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.MS-PS1-4

NGSS.MS-PS3-4

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

6200 J of heat is used to increase the temperature of a 1.2 kg metal block. The specific heat capacity of metal block is 450 J kg^{-1}°C^{-1}. What is the rise in temperature of the metal block ?

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which material heats up quickest?

• Aluminium

• Concrete

• Diamond

• Glass

• Water

Tags

NGSS.MS-PS3-4

What is the equation for specific heat capacity?

Tags

NGSS.MS-PS3-4

The amount of heat energy required to change the temperature of a substance is referred to as its...

• density

• specific heat

• half-life