Heat Capacity

What is SPECIFIC HEAT?

• It is the amount of heat energy needed to increase the temperature of one unit of mass of a given substance by one unit of temperature.

• The exact temperature of a substance.

• Heat that comes off an substance.

• The opposite of specific coolness

Tags

NGSS.MS-PS3-4

T/F: Different materials require different amounts of energy to raise their temperature the same amount.

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the two has a higher specific heat requiring more energy?

• Liquid water 4.18 Joules/ gram C°

• Copper 0.38 Joules/ gram C°

• Granite 0.79 Joules/ gram C°

• Water vapor 2.00 Joules/ gram C°

If a substance requires more energy to raise its temperature, will it take a longer or shorter time to heat up?

• Longer

• Shorter

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which statement defines the thermal capacity (heat capacity) of a solid body?

• the energy needed to melt the body without a change in temperature

• the energy needed to raise the temperature of the body by one degree Celsius

• the increase in the volume of the body when its temperature is raised by one degree Celsius

• the total amount of internal energy in the body

Tags

NGSS.HS-PS3-4

Which will be the easiest to heat up?

• copper

• granite

• iron

• basalt

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which will be the hardest to heat up?

• water

• lead

• granite

• iron

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The specific heat capacity of a substance is the quantity of heat required to

• melt 1 kg of the substance.

• raise the temperature of the substance by 1⁰C.

• raise the temperature of 1 kg of the substance by 1⁰C.

Tags

NGSS.MS-PS1-4

How much energy is needed to raise the temperature of 5.0 g of lead from 25°C to 35°C?

• 6.45 J/(g•°C)

• 6.45 J

• 16.1 J/(g•°C)

• d.16.1 J

Tags

NGSS.HS-PS3-1

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 capacity of this glass?

• 0.27 J/g °C

• 3.7 J/g °C

• 130 J/g °C

• 12 J/g °C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4