Specific Heat Warm Up

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

• Specific Heat Capacity (c) = 0.129 J/(g•°C)

• 6.45 J/(g•°C)

• 6.45 J

• 16.1 J/(g•°C)

• d.16.1 J

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

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-PS3-4

NGSS.MS-PS1-4

When a piece of aluminum foil is taken out of the oven and cools from 100° to 50°, What is the change in temperature?

• 50°

• 0°

• 100°

• 150°

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

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-PS3-4

NGSS.MS-PS1-4

What unit do you use to measure Thermal Energy?

• J/Kg ºC
• Kg
• ºC
• J

Tags

NGSS.MS-PS3-3

What is the symbol for Thermal Energy?

• Q
• t
• m
• C

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

Tags

NGSS.MS-PS3-4