Specific Heat Warm-Up Review

Specific Heat Review

Mr. J. Jones Chemistry

Multiple Choice

SPECIFIC HEAT CAPACITY MEASURES _____.

• how much heat is in a substance

• total energy in a substance

• the heat required to raise the temperature of one g of a substance by 1°C

• the temperature at which a substance changes state

Multiple Select

What is the formula for Specific Heat?

When Identifying a sample or unknown substance use the bottom formula.

Multiple Choice

What is the total amount of heat needed to change 2.25 kg of silver at 0.0°C to 200.0°C? The specific heat of silver is 0.129 J/g°C

• 58,050 J

• 27, 912.5

Multiple Choice

In the construction of bridges and skyscrapers, gaps must be left between adjoining steel beams to allow for the expansion and contraction of the metal due to heating and cooling.

The temperature of an unknown sample with a mass of 10.0 g changed from 50.4 Celsius to 25.0 Celsius with the release of 114 Joules. What is the specific heat of the unknown sample?

• Steel 0.12

• Lead 0.13

• Copper 0.38

• Iron 0.45

Multiple Select

NUTRITIONISTS MEASURE ENERGY IN UNITS CALLED?

• Joules

• Calories

• Kilocalories

• Carbs.