Thermal Energy and Specific Heat

Front

What is the unit used to measure Thermal Energy?

Back

J (Joules)

Front

How many Joules of energy are required to change 10 grams of ice at -2°C to water at 20°C?

Back

10,140 J

Front

What does a high specific heat indicate?

Back

It requires more energy to change temperature.

Front

What is the specific heat of water?

Back

4184 J/KgºC.

Front

What is the specific heat of wood?

Back

1760 J/KgºC.

Front

Which material requires more energy to raise the temperature by 1°C: Wood or Water?

Back

Water.

Front

What is the change in temperature when aluminum foil cools from 100°C to 50°C?

Back

50°C.

Front

Define Thermal Energy.

Back

The total kinetic energy of particles in a substance.

Front

What is Specific Heat?

Back

The amount of energy required to raise the temperature of 1 kg of a substance by 1°C.

Front

Why does water have a high specific heat?

Back

Due to hydrogen bonding, which requires more energy to break.