Download specific heat problems

Name_________________
Date__________Pd_____
1. The specific heat capacity of graphite is 0.71 J/goC. How
much heat is required to
a) raise the temperature of 1.0 mol of graphite b 1.0oC?
Name_________________
Date__________Pd_____
1. The specific heat capacity of graphite is 0.71 J/goC. How
much heat is required to
a) raise the temperature of 1.0 mol of graphite b 1.0oC?
b) raise the temperature of 850 g of graphite by 150oC?
b) raise the temperature of 850 g of graphite by 150oC?
c) raise the temperature of 75 kg of graphite from 294oK
to 348oK?
c) raise the temperature of 75 kg of graphite from 294oK
to 348oK?
2. The specific heat capacity of aluminum is 0.900 J/oC
How much energy is needed to raise the temperature of a
8.50 x 102 g block of aluminum from 22.8oC to 94.6oC?
2. The specific heat capacity of aluminum is 0.900 J/oC
How much energy is needed to raise the temperature of a
8.50 x 102 g block of aluminum from 22.8oC to 94.6oC?
3. It takes 78.2 J to raise the temperature of 45.6 g of lead
by 13.3oC. What is the specific heat capacity of lead?
3. It takes 78.2 J to raise the temperature of 45.6 g of lead
by 13.3oC. What is the specific heat capacity of lead?
4. A 28.2 g sample of nickel is heated to 99.8oC and placed in
a coffee-cup calorimeter containing 150.0 g of water at a
temperature of 23.5oC. After the metal cools, the final
temperature of metal and water is 25.0oC. Calculate the
specific heat capacity of nickel, assuming that no heat
escapes to the surroundings or is transferred to the
calorimeter.
4. A 28.2 g sample of nickel is heated to 99.8oC and placed in
a coffee-cup calorimeter containing 150.0 g of water at a
temperature of 23.5oC. After the metal cools, the final
temperature of metal and water is 25.0oC. Calculate the
specific heat capacity of nickel, assuming that no heat
escapes to the surroundings or is transferred to the
calorimeter.
5. A 98.089 g sample is heated to 67.9 oC and placed in a
coffee cup calorimeter containing 200.0 g of water at a
temperature of 20.0 oC. After the sample cools, the final
temperature of the sample and water is 22.6 C. What is the
specific heat of the sample?
5. A 98.089 g sample is heated to 67.9 oC and placed in a
coffee cup calorimeter containing 200.0 g of water at a
temperature of 20.0 oC. After the sample cools, the final
temperature of the sample and water is 22.6 C. What is the
specific heat of the sample?
6. An 8.089 g sample of metal is heated to 500.0 oC and placed
in a coffee cup calorimeter containing 400.0 g of water at a
temperature of 22.0 oC. After the sample cools, the final
temperature of the metal and water is 32.6 oC. What is the
specific heat of the metal?
6. An 8.089 g sample of metal is heated to 500.0 oC and placed
in a coffee cup calorimeter containing 400.0 g of water at a
temperature of 22.0 oC. After the sample cools, the final
temperature of the metal and water is 32.6 oC. What is the
specific heat of the metal?
7. A 30.0 g sample of water at 99.98 oC is mixed with a 50.00
g sample of water at 25.00 oC in a coffee-cup calorimeter.
What is the final temperature of the water mixture in the
coffee cup?
7.
A 30.0 g sample of water at 99.98 oC is mixed with a 50.00
g sample of water at 25.00 oC in a coffee-cup calorimeter.
What is the final temperature of the water mixture in the
coffee cup?