Specific Heat
Specific heat, a fundamental concept in thermodynamics and physics, measures the amount of heat required to raise the temperature of a substance by a certain amount. It serves as a crucial parameter in understanding the thermal properties of materials and plays a significant role in various fields, including engineering, chemistry, and meteorology. By quantifying how different substances respond to changes in temperature, specific heat facilitates the design of efficient heating and cooling systems, the study of phase transitions, and the prediction of weather patterns. Understanding specific heat is essential for grasping the behavior of matter under different thermal conditions and is integral to numerous scientific and technological advancements.
Questions
- What is the specific heat capacity of styrofoam?
- A sample of an unknown substance has mass of 89.5 g. If 345.2 J of heat are required to heat the substance from 285 K to 305 K, what is the specific heat of the substance?
- Calculate the amount of heat required to raise the temperature of an 83 g sample of water from 36 c to 69 c ?
- An object with a mass of #200 g# is dropped into #300 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?
- What is the specific heat of ice in joules?
- An object with a mass of #32 g# is dropped into #250 mL# of water at #0^@C#. If the object cools by #16 ^@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 #16 kg#, temperature of #270 ^oC#, and a specific heat of #5 J/(kg*K)# is dropped into a container with #32 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 #4 kg#, temperature of #350 ^oC#, and a specific heat of #6 J/(kg*K)# is dropped into a container with #28 L # of water at #0^oC #. Does the water evaporate? If not, by how much does the water's temperature change?
- How does specific heat affect temperature?
- An object with a mass of #8 g# is dropped into #50 mL# of water at #0^@C#. If the object cools by #5 ^@C# and the water warms by #70 ^@C#, what is the specific heat of the material that the object is made of?
- An object with a mass of #24 kg#, temperature of #270 ^oC#, and a specific heat of #8 J/(kg*K)# is dropped into a container with #48 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 #4 kg#, temperature of #240 ^oC#, and a specific heat of #15 J/(kg*K)# is dropped into a container with #15L # 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 #1 kg#, temperature of #105 ^oC#, and a specific heat of #32 J/(kg*K)# is dropped into a container with #16 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 #40 g# is dropped into #750 mL# of water. If the object cools by #15 ^@C# and the water warms by #5 ^@C#, what is the specific heat of the material that the object is made of?
- Solid aluminum has a specific heat of 0.89 J/g oC, and a heat of fusion of 398 J/g. Aluminum melts at 660.4oC. How much heat is required to convert a 10.0 g sample of aluminum metal at 580.0oC to a fully-molten sample of liquid at 660.4oC?
- The temperature of a sample of water changes from 10° C to 20°C when the sample absorbs 418 joules of heat. What is the mass of the sample?
- An object with a mass of #12 kg#, temperature of #210 ^oC#, and a specific heat of #7 J/(kg*K)# is dropped into a container with #32 L # of water at #0^oC #. Does the water evaporate? If not, by how much does the water's temperature change?
- Find the RMS speed of #"H"_2# at #"273.15 K"# and #"293.15 K"#? The density at STP is #"0.08988 g/L"#.
- What was the heat lost to the surroundings if #"11.3 g"# of diamond is cooled from #38.7^@ "C"# to #21.3^@ "C"#?
- How does specific heat relate to how fast a substance changes temperature?