Specific Heat Problems

Which will heat up slower?

• water

• lead

• granite

• iron

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

• Thermal Energy

• Specific Heat

• Temperature

• Kinetic Energy

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.

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

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

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

NGSS.MS-PS3-5

Specific heat of water is  4.18 J/g°C. Specific heat of wood is 1.760 J/g°C What material needs more heat energy to raise the temperature?

• Water

• Wood

• Both are same

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-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 ?

• 9.6 °C

• 11.5 °C

• 15.0 °C

• 360.0 °C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4