Specific Heat - Page 4
Questions
- How much heat is absorbed by a 2000 kg granite boulder as energy from the sun causes its temperature to change from 10°C to 29°C?
- An object with a mass of #4 kg#, temperature of #261 ^oC#, and a specific heat of #8 (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?
- Is heat being added or taken away when water boils?
- What is the specific heat capacity of substance if #2.41times10^4# #J# are needed to change the temperature of #105.0# #g# of it from #25.00°C# to #250.0°C#?
- An object with a mass of #32 g# is dropped into #480 mL# of water at #0^@C#. If the object cools by #80 ^@C# and the water warms by #4 ^@C#, what is the specific heat of the material that the object is made of?
- An object with a mass of #2 kg#, temperature of #244 ^oC#, and a specific heat of #33 (KJ)/(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?
- How can specific heat be used to identify substances?
- What is the specific heat of a substance?
- An object with a mass of #24 kg#, temperature of #150 ^oC#, and a specific heat of #7 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?
- Which sample is most likely to undergo the smallest change in temperature upon the absorption of 100 kj of heat? A.15g of water B.15g of lead C.50g of water D.50g of lead Why water?
- An object with a mass of #2 kg#, temperature of #50 ^oC#, and a specific heat of #19 J/(kg*K)# is dropped into a container with #24 L # of water at #0^oC #. Does the water evaporate? If not, by how much does the water's temperature change?
- What is the specific heat capacity of water?
- An object with a mass of #2 kg#, temperature of #331 ^oC#, and a specific heat of #18 (KJ)/(kg*K)# is dropped into a container with #42 L # of water at #0^oC #. Does the water evaporate? If not, by how much does the water's temperature change?
- How can I calculate the specific heat of aluminum?
- An object with a mass of #10 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?
- A refrigerator is operating between 300K & 400K. Find its coefficient of performance?
- An object with a mass of #24 kg#, temperature of #210 ^oC#, and a specific heat of #7 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?
- A sample of mercury absorbed 257 J of heat and its mass was .45 kg. If it's temperature increased by 4.09 K, what is its specific heat in J° / kg K?
- What is the specific heat capacity of a 50-gram piece of 100°C metal that will change 400 grams of 20°C water to 22°C?
- A sample of glass that has a mass of 6.0 g gives off 12 J of heat. If the temperature of the sample changes by 4.0°C during this change, what is the specific heat of the glass?