How much heat is required to change 100 lbs of ice at 10°F to steam at 212°F? Assume the following: specific heat of ice = 0.5 BTU/lb∙°F heat of fusion of ice = 144 BTU/lb specific heat of water = 1 BTU/lb∙°F heat of vaporization of water = 970 BTU/lb a. 125,000 BTU b. 150,000 BTU c. 130,500 BTU d. 110,500 BTU

Q: 1. As the temperature of a solid increases, its specific heat А. increases С. increases, then…

A: 1) The specific heat of solids depends on the number of molecules that the solid contains. It does…

Q: Specific Heat Table Substance cIJ kg K Substance cIJ kg K Aluminium 900 Ice 2100 Iron/steel 450 Wood…

A: Specific heat of a material defines the ability of the material to absorb or emit heat. It is…

Q: Approximately how much heat must be removed from 0.5 kg of 50 °C water to freeze it into 0 °C ice?…

A: Mass of water= ½ Kg Initial temperature of water, Ti= 273+50 K Latent heat of fusion= 334000 J/Kg…

Q: The specific heat of Al is 900 J/kg.C and its latent heat of fusion L,= 4.0 x 105 J/kg at 660 C. How…

A: In given question, some amount of heat will be required to raise the temperature of the solid…

Q: Approximately how much heat must be removed from 0.5 kg of 50 °C water to freeze it into 0 °C ice?…

A: Given data: Mass of water m= 0.5 Kg The initial temperature of the water, Ti= 273+50 K=323K The…

Q: An insulated beaker with negligible mass contains 0.25 kg of water at a temperature of 85 °C. How…

A: here we have to use two formula:- 1) when temperature is changing :-     Q=mc∆T  here,  Q :- heat…

Q: 8. It takes 679 J of energy to raise the temperature of 132.6 g of mercury from 20.0°C to 68.9°C.…

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Q: 8 In An object having emissivity 0.0867 radiates heat at 20 W, and temperature is T. IT is doubled,…

A: (8).It is given that,                         The fixed emissivity of the object is .…

Q: 9. An insulated beaker with negligible mass contains 0.250 kg of water at a temperature of 75.0…

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Q: The thermal energy in 8.0 kg of water at 30°C increases by 8000 J. What is its new temperature?

A:

Q: 14. Under the spreading chestnut tree the village blacksmith dunks a red-hot horseshoe into a large…

A:

Q: You put a 0.5 kg piece of aluminum at 95 °C into 0.5 kg of water at 15 °C. The final temperature of…

A:

Q: How much heat is required to raise the temperature from 30 °C to 300 °C of a iron skillet of mass…

A: Write the expression for the required heat. Here, m represents the mass, c represents the specific…

Q: Heat(Q) depends on ..............choose one correct answer   A. Mass of the objects, change in…

A: The specific heat is the measure of heat per unit mass required to increase the temperature by one…

Q: How much heat is required to raise a temperature of copper from 10 kg of copper from 303°K to 75°C…

A: Heat required to raise temperature of a material is given by: Q = m*C*dT m = mass of copper block =…

Q: $5

A: Given that,The heat absorbed or emitted by any substance in order to raise or lower its temperature…

Q: What is the approximate amount of heat energy released when a 5.0 kg sample of the glass cools from…

A: Given:Mass of glass rod sample, m=5 kgInitial temperature, T1=75°CFinal temperature, T2=35°Cc=840…

Q: The average person drinks 2.6 L of water a day. If you drink 2.6 L of water at 0 degrees C and heat…

A: Given data as per question  T1  =  0 T2  =  37 Volume  =  2.6L density  =  1g/ml

Q: A sample of water that is initially at 84.0ºC absorbs 500 kcal of heat. As a result, the liquid…

A: Given that:- Initial temperature of water=80°C

Q: The S.I unit of specific heat is: O a. J/Kg O b. Kg /J O c.J/ Kg C O d. Cal / kg K

A: The SI unit of specific heat is: J / Kg C

Q: If 200 g of water initially at 150 C absorbs 8.0 kcal of heat, what is the final temperature of the…

A:

Q: An electric heater can add energy to a pot of water (c = 4186 J/kg°C) at a rate of 5000 J/s. How…

A: The formula to calculate the amount of energy required to raise the temperature of a substance is: Q…

Q: An automobile with mass 2000 kg is traveling at 20 m/sec. How much heat is developed in the brakes…

A: Given, mass of automobile m= 2000kg , speed v = 20m/s

Q: 12. A 0.400-kg of ice is initially at temperature of -12.0 °C. How much heat is required to melt…

A: mass of ice = 0.400 kg initial temperature of ice = -12oC final temperature = 0o C

Q: steam having a dryness fraction of 0.9, a volume of 2m^3 and a pressure of 2bar is compressed in a…

A: Solution:-Given thatx1=0.9V1=2 m3P1=2 bar=200 kPaPvn=CP2=10 bar=1000 kPaT2=200°C

Q: 2.) A bar of 20.0 grams of aluminum of specific heat 0.215 cal/gramCo is heated from 15.0 Co to 20.0…

A:

Q: 10. A 0.350-kg of ice is initially at temperature of –11.0 °C. How much heat is required to melt…

A: The specific heat of ice is, The latent heat of fusion of the ice is, The mass of the ice is, The…

Q: 4.) A material of mass m is heated using 5.00 calories of heat and its temperature rises by one…

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Q: The temperature of water in a swimming pool decreases by 5.0 K during the night. The mass of the…

A: Given, The temperature of water decreases by 5 k mass of water in the pool is 560,000 kg specific…

Q: 1. The specific heat of a material depends on the type of and is a constant. 2. If the specific heat…

A: Formula Q = m*Cp*dT Q is heat transfered Cp is specific heat. dT is temperature change

Q: A 6.22-kg piece of copper that is heated absorbs 728 kJ of energy. If the copper starts at 20.5° C,…

A: Solution:-         Given,          Mass of copper(m)=6.22kg…

Q: 8. A container has a volume of 2m3 of diatomic gas at a pressure of 1Pa. How much more thermal…

A: Given data The volume of the container is V = 2 m3. The initial pressure is given as Pi = 1 Pa. The…

Q: What is the minimum amount of energy required to completely melt a 6.72 kg lead brick which has a…

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Q: 11. Steam at 100°C is added to ice at 0°C. a. Find the amount of ice melted and the final…

A: (a) Given data The temperature of the steam is Tsteam = 100°C The temperature of ice is Tice = 0°C…

Q: Ice at U.00°C is added to 1.00 kg of orange juice, cooling it from 20.0°C to 5.00°C. What mass of…

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Q: If the temperature of the surface of the object is 513.1 K, then calculate its value in °F. O a.…

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Q: A 0.515 g sample of steam at 105.0 °C is condensed into a container with 5.87 g of water at 14.6 °C.…

A: mass of steam m1 = 0.515 g = 0.515*10-3 Kgmass of water m2 = 5.87 g = 5.87*10-3 KgThe initial…

Q: If 2.0 g of water at 0.00°C is to be vaporized, how much heat must be added to it? The specific heat…

A:

Q: If the temperature of the surface of the object is 745.1 K, then calculate its value in °F.

A: SOlution: Given that T = 745.1 K

Q: 32. An Aluminum block (100 grams) is heated to 200 degree C and then is dropped into 300 grams of…

A:

Q: How much water remains unfrozen after 64.6 kJ is transferred as heat from 246 g of liquid water…

A: Energy required to change the state of a mass Q = mL L = latent heat of fusion

Q: Sixty grams of water are at an initial temperature of 26 °C. Calculate the heat required to…

A: Given data:  Mass (m) = 60 g Initial temperature (T0) = 26°C Final temperature (T) = 100°C Specific…

Human Metabolism

Being described as the most complicated machine ever encountered by humans, the human body and the cell metabolism is nothing less than a wonder. Metabolism is the set of life-sustaining chemical reactions within organisms.