Specific Heat Review

The specific heat of copper is 0.39 J/g°C. What is the temperature change when 100 Joules of heat is added to 20 grams?

• 12.82 °C

• 24.12°C

• 1.95 °C

• 5128 °C

The temperature of an unknown piece of metal with a mass of 30 g changes from 25.0 °C to 35.0 °C when the metal absorbs 350 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

A high specific heat means...

• It heats up quickly with energy added
• It requires more energy to change temperature

What is the equation to measure change in thermal energy?

• Q=mc∆t

• Q=mc

• Q=∆mct

• m=QC

Copper, stainless steel 316, carbon steel, and zinc were all heated using the same thermal energy. What material would be the coolest after being heated?

• Copper

• Carbon Steel

• Zinc

• Stainless Steel 316

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

Which of the following material will heat up the fastest?

• copper

• granite

• iron

• basalt