Heat Capacity

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 energy (Eh). What is the specific heat (c) of this glass?

 $c=\frac{E_h}{m\Delta T}$  

• 0.27 J/g °C

• 3.7 J/g °C

• 130 J/g °C

• 12 J/g °C

The heat absorbed by melting a solid is known as

• heat of fusion

• heat of solid

• heat of liquid

• heat of vaporization

What does "ΔT" stand for?

• A change in time

• A change in temperature in degrees C

• A change in mass

• Addition of temperature in degrees F

Which will heat up faster?

• copper

• granite

• iron

• basalt

Tags

NGSS.MS-PS3-4

Which will heat up slower?

• water

• lead

• granite

• iron

Tags

NGSS.MS-PS3-4

How does heat flow?

• Always from cold to warm
• Always from warm to cold
• Both warm to cold & cold to warm
• It depends on the temperature

Tags

NGSS.MS-PS3-3

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

What would be the effect on the particles if more heat is supplied to the system?

• They would slow down
• They would stop moving
• They would speed up
• There would be no effect

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A pot of 2400g of water at a temperature of 25˚C is heated on a stove until the water boils (100˚C).  The specific heat of water is 4.18 J/(g˚C).
Determine the heat energy needed to heat the water in the pot to boiling.

• 133.76J
• 43,062.2J
• 752,400J
• 1,003,200J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

___________ is measured by the unit Joules.

• Heat energy
• Temperature
• Specific heat

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4