# Specific Heat - Page 3

Questions

- How much heat does it take to raise the temperature of 2.5 kg of plastic from 15°C to 75°C?
- An object with a mass of #50 g# is dropped into #450 mL# of water. If the object cools by #25 ^@C# and the water warms by #10 ^@C#, what is the specific heat of the material that the object is made of?
- An object with a mass of #180 g# is dropped into #660 mL# of water at #0^@C#. If the object cools by #72 ^@C# and the water warms by #3 ^@C#, what is the specific heat of the material that the object is made of?
- An object with a mass of #4 kg#, temperature of #261 ^oC#, and a specific heat of #18 (KJ)/(kg*K)# is dropped into a container with #39 L # of water at #0^oC #. Does the water evaporate? If not, by how much does the water's temperature change?
- Why is specific heat an intensive property?
- An object with a mass of #3 kg#, temperature of #184 ^oC#, and a specific heat of #37 (KJ)/(kg*K)# is dropped into a container with #15 L # of water at #0^oC #. Does the water evaporate? If not, by how much does the water's temperature change?
- How can you change the specific heat capacity of water?
- An object with a mass of #90 g# is dropped into #500 mL# of water at #0^@C#. If the object cools by #30 ^@C# and the water warms by #5 ^@C#, what is the specific heat of the material that the object is made of?
- An object with a mass of #60 g# is dropped into #800 mL# of water at #0^@C#. If the object cools by #30 ^@C# and the water warms by #15 ^@C#, what is the specific heat of the material that the object is made of?
- A 36.07 g sample of a substance is initially at 27.8°C. After absorbing 2639 J of heat, the temperature of the substance is 109.0°C. What is the specific heat of the substance?
- An object with a mass of #120 g# is dropped into #500 mL# of water at #0^@C#. If the object cools by #30 ^@C# and the water warms by #16 ^@C#, what is the specific heat of the material that the object is made of?
- The table below shows the specific heats of several metals. The temperature of a 15-g sample of an unknown metal increases from 20.0 C to 30.0 C when it absorbs 67.5 J of heat. Which of the metals in the table below could be the unknown metal?
- An object with a mass of #20 g# is dropped into #120 mL# of water at #0^@C#. If the object cools by #60 ^@C# and the water warms by #3 ^@C#, what is the specific heat of the material that the object is made of?
- An object with a mass of #64 g# is dropped into #270 mL# of water at #0^@C#. If the object cools by #96 ^@C# and the water warms by #3 ^@C#, what is the specific heat of the material that the object is made of?
- When 435 J of heat is added to 3.40 g of olive oil at 21.0°C, the temperature increases by 85°C. What is the specific heat of the olive oil?
- How can I calculate the specific heat capacity of a metal?
- How much energy will be required to heat a #"1.0 kg"# mass of water from #25^@"C"# to #99^@"C"#?
- The specific heat of steel is 420 J/(kg°C). How much energy is required to heat 1 kg of steel by 20 °C?
- An object with a mass of #3 kg#, temperature of #185 ^oC#, and a specific heat of #37 (KJ)/(kg*K)# is dropped into a container with #15 L # of water at #0^oC #. Does the water evaporate? If not, by how much does the water's temperature change?
- An object with a mass of #60 g# is dropped into #900 mL# of water at #0^@C#. If the object cools by #40 ^@C# and the water warms by #16 ^@C#, what is the specific heat of the material that the object is made of?