Unit 5: Thermochemistry Review (cp 2023)

Front

What unit do you use to measure heat?

Back

J (Joules)

Front

What is the specific heat of water?

Back

4.184 J/gºC

Front

What is the specific heat of wood?

Back

1.760 J/gºC

Front

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

Back

Water requires more energy.

Front

In which regions does temperature increase in a heating curve?

Back

Region 1, 3, & 5.

Front

During which line segment of the heating curve can water exist in both solid and liquid phases?

Back

BC.

Front

What is the formula to calculate heat (q) required to change the temperature of a substance?

Back

q = m * c * ΔT, where m = mass, c = specific heat, ΔT = change in temperature.

Front

What is the specific heat of aluminum?

Back

0.878 J/gºC.

Front

How much heat is required to raise the temperature of 200.0 g of aluminum by 10.0ºC?

Back

176 J.

Front

What does a heating curve represent?

Back

A heating curve shows the temperature change of a substance as it is heated over time.