Specific Heat Problems

Front

What is specific heat?

Back

Specific heat is the amount of heat required to raise the temperature of 1 gram of a substance by 1 degree Celsius.

Front

How does heat flow?

Back

Heat flows always from warm to cold.

Front

What is the specific heat of water?

Back

The specific heat of water is 4184 J/KgºC.

Front

What is the specific heat of aluminum?

Back

The specific heat of aluminum is 0.21 cal/g° C.

Front

What is the formula to calculate heat (Q)?

Back

Q = m * c * ΔT, where m is mass, c is specific heat, and ΔT is the change in temperature.

Front

If 10 g of aluminum cools from 100° to 50°, what is the change in temperature?

Back

The change in temperature is 50°.

Front

How much heat is released when 10 g of aluminum cools from 100° to 50°?

Back

The heat released is 105 J.

Front

Which material requires more energy to raise its temperature by 1ºC: wood or water?

Back

Water requires more energy to raise its temperature by 1ºC.

Front

How many Joules are required to change 10 grams of water from 20°C to 90°C?

Back

2926 J are required.

Front

What is the specific heat of wood?

Back

The specific heat of wood is 1760 J/KgºC.