A 2.5 kg metal block with a specific heat of 387 J/kg°C is heated from 250°C to 900°C. Calculate the heat energy.
Q: Steam at 100°C is used to warm 350 g of water contained in a 300 g aluminum container. The initial…
A: Temperature of steam: Mass of water in Aluminium container: Mass of Aluminium container: Initial…
Q: A 30.0 g sample of water at 280 K is mixed with 50.0 water at 330 K. Calculate the final temperature…
A:
Q: A 100 g block of sample material is heated from 20.0°C to 500.0°C by the addition of 18.576 kJ of…
A: Heat energy transferred from a system into a system depends on three main factors, the mass of the…
Q: 18 grams of some unknown material is submerged in 325 grams of water initially at 16.8℃. If the…
A: Given Mass of unknown material is m=18 g Mass of water is M=325 g specific heat of water is cwater=…
Q: A calorimeter contains 1.500kg of water at 80.0°C. Then 0.500kg of ice at -5.00°Cis added to the…
A: The water has an initial temperature of 80°C in the calorimeterAnd the ice has an initial…
Q: How much thermal energy (in J) is required to boil 2.25 kg of water at 100.0°C into steam at…
A:
Q: A 0.320-kg block of a pure material is heated from 20.0°C to 65.0°C by the addition of 3.78 kJ of…
A: Here, Q=mc∆Tc=Qm∆T
Q: 0.59 kg brass sample at 98.0 Celsius is dropped into 2.80 kg of water at 5.0 Celsius. If the…
A: The solution can be given as follows :-
Q: The cooling system of an automobile motor contains 20.0 kg of water. What is the Δt of the water if…
A:
Q: the specific heat of water is 1.0 cal/gram ˚C. a 50-gram cold metal block initially at 25˚C is…
A:
Q: The heating plant at delivers up to 30MW (30MJ per second) of thermal power to the campus during…
A: Specific heat of water =4186 j/kgKChange in temperature =10 C
Q: Calculate final temperature of 97 g of water heated with 2,971 J. The heat capacity of water is 4190…
A: mass of water, m=97g or 0.097Kg Heat added, Q = 2971 J Heat capacity of water, S= 4190J/Kg/oC…
Q: The temperature of a iron bar rises by 10.0°C when it absorbs 2.35 k) of energy by heat. The mass of…
A: Given data: The change in temperature (ΔT) = 10.0°C Heat Energy (Q) = 2.35 kJ Mass (m) = 525 g =…
Q: How much heat is absorbed by contacting 15 grams of 100°C steam by a student’s hand. The steam is…
A: Heat given by steam is absorbed by hand .
Q: Suppose that you had water in a pot on a stovetop. Neglecting the material that the pot is made out…
A: Given data: Power (P) = 1000 W Mass (m) = 1.44 kg Initial temperature (T0) = 10°C Final temperature…
Q: A 0.270-kg block of a pure material is heated from 20.0°C to 65.0°C by the addition of 3.08 kJ of…
A: Mass (m) = 0.270 kg Initial temperature (Ti ) = 20.0°C Final temperature (Tf) = 65.0°C Energy added…
Q: Initially you have mwater=4.2kg of water at Twater=66 degrees celcius in a insulated container. You…
A: Recall Q=mc∆T Also, principle of calorimetry. Heat lost by hotter body=heat gained by colder body
Q: What is the heat capacity of a 28.5-kg block of ice? The specific heat capacity of ice is 2.10…
A: 59.85 kJ/K.Explanation:
Q: How much thermal energy needs to be added to 3.00 kg water to heat it from 20°C to 82°C? The…
A:
Q: A 195 g aluminum engine part at an initial temperature of 3.0˚C absorbs 40.0 kJ of heat (q). What is…
A: Mass (m) = 195 g Heat absorbed (Q) = 40.0 kJ = 40.0 × 103 J…
Q: 237 g of water, initially at 22.0 degrees Celsius, is placed in a freezer. The water freezes to…
A:
Q: Calculate final temperature of 85 g of water heated with 1,832 J. The heat capacity of water is 4190…
A: Given : m = 85 g = 0.085 kg Q = 1832 J c = 4190 J/kg / C° Ti = 0°C
Q: An object has an emissivity of 0.725. At temperature T, it radiates heat at a rate of 10.W. What is…
A:
Q: What mass of steam at 100oC must be mixed with 300 g of ice at its melting point, in a thermally…
A:
Q: A 0.250-kg block of a pure material is heated rom 20.0ºC to 65.0ºC by the addition of 4.35 kJ of…
A: The energy needed to change the temperature is
Q: A 47.5-kg block of ice at 0 °C is sliding on a horizontal surface. The initial speed of the ice is…
A:
Q: 500ml of 60oC water at is added to a beaker. Water’s specific heat is 4.186 J/g °C. You have 40ml…
A: Given: The amount of water is mw=500 ml, The amount of the unknown substance is mun=40 ml, The…
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- 17. A 1 kg cube of lead is heated from 12.5 °C to 65.4 °C. How much energy is required to heat the lead ? (assume: specific heat for lead is 0.129 J/ gºC) SINDI 18. A block of mass 12 kg is pushed along a smooth frictionless surface with a two constant forces, F₁ = 100 N at the angle of 100 above the horizontal, and the F₂ = 50 N at the angle of 200 above the horizontal. The block is displaced 2.6 m. Calculate the total work done by block.An unknown piece of metal is heated to 98.0°C and dropped into a coffee cup calorimeter containing 250.0 g of water. The water in the calorimeter increases from 2.15°C to 23.0°C. the specific heat of water is 4.18 J/g°C. calculate the energey of the metal.A 0.012 kg cube of ice at 0.0°C is added to 0.477 kg of soup at 81.7°C. Assuming that the soup has the same specific heat capacity as water, find the fi- nal temperature of the soup after the ice has melted. The specific heat of water is 4186 J/kg °C and water's latent heat of fu- sion is 3.33 x 105 J/kg. Answer in units of °C. Your response... Previous Responses X #1.79.7 PALETTE
- A 0.440-kg block of a pure material is heated from 20.0°C to 65.0°C by the addition of 3.68 kJ of energy. Calculate its specific heat. kJ/(kg · °C)A 23 g ice cube at -15.0oC is placed in 129 g of water at 48.0oC. The Specific heat of ice is 2.090 J/g K, the specific heat of water is 4.186 J/g K, and the latent heat of fusion for water is 333 J/g. What is final temperature in celsius of the system when the equilibrium is reached. Ignore the heat capacity of the container and assume this is in a calorimeter.Arelyz and Hyeonggyun drop a 378.0-g piece of metal at 100.0°C into 447.0 g of water at 20.0°C. The final temperature of the system is measured to be 50.0°C. What is the specific heat of the metal in J/kgK, assuming no heat is exchanged with the surroundings or the cup containing the water? The specific heat of water is 4190 J/(kg K).