Reference no: EM132650439

Heat Calculations Worksheet

1. Identify the unit used to measure each of the following:

a. Q = heat unit is J

b. m = mass unit is G

c. C = specific heat unit is J/g*C

d. T = change in temperature unit is C

2. A 4.0g sample of glass was heated from 5?C to 45?C after absorbing 32 J of heat. What is the specific heat of the glass?

3. How many Joules of heat are released from a 400g piece of glass that has been cooled from 28?C to 6?C? The specific heat for this glass is 0.664 J/g?C.

4. What is the specific heat of a 44 g piece of metal if 202 Joules of heat are required to raise the temperature from 22?C to 33.6?C?

5. The temperature of a 10g sample of iron was raised by 25.4?C with the addition of 114 J of heat. What is the specific heat of iron?

6. 3g of aluminum foil is heated in an oven from 20?C to 262?C with the addition of 1728 J of heat. What is the specific heat of aluminum?

7. How much heat is required to raise the temperature of 50g of water from 20?C to 150?C? The specific heat of water is 4.184 J/g?C.

8. A 155g sample of an unknown substance absorbs 58970 J of heat as the temperature is increased from 25?C to 40?C. What is the specific heat of the substance?