A 0.500 kg aluminum pan on a stove is used to heat 0.250 liters of water from 20.0°C to 80.0°C. How much heat is required?
Q: An unknown substance has a mass of 0.125 kg and an initial temperature of 91.5°C. The substance is…
A: The given values are, mu=0.125 kgTi,u=91.5° Cmw=0.285 kgTi,w,Al=27.5° CmAl=0.150 kgTf=32.0° C
Q: A 5 gram lead bullet traveling in 20°C air at 300 m/s strikes a flat steel plate and stops. What is…
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Q: An unknown substance has a mass of 0.125 kg and an initial temperature of 94.5°C. The substance is…
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Q: If you pour 0.0100 kg of 20.0°C water onto a 1.20-kg block which is initially at −15.0°C. and the…
A: Given m1 = 0.0100 kg ......... water at 20°C m2= 1.20 kg ........ block at -15° C…
Q: Problem 6: Consider a 0.775 kg aluminum pot containing 2.35 kg of water. Substances Solids Aluminum…
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Q: An insulated Thermos contains 170 cm³ of hot coffee at 83.0°C. You put in a 16.0 g ice cube at its…
A: Specific heat of water= 4186 J/kg.K
Q: The temperature of a iron bar rises by 10.0°C when it absorbs 2.35 kJ of energy by heat. The mass of…
A: Thank you 😊
Q: 9. A 730 g piece of copper is heated in a furnace to a temperature T. The copper is then inserted…
A: When two or more bodies of different tempratures come in contact with each other then the transfer…
Q: the mine transfers enough energy by heat to the mine's cooling systems to melt 363147 kg of ice at…
A: Given : Mass of ice (m) = 363147 kg Energy increased by 9.3 % Latent Heat of fusion of Ice (L) =…
Q: NA block of metal of mass 0.250 kg is heated to 150.0°C and dropped in a copper calorimeter of mass…
A: Under thermal equilibrium, heat energy remains conserved. Therefore Heat gained by one material =…
Q: An unknown substance has a mass of 0.125 kg and an initial temperature of 92.0°C. The substance is…
A:
Q: A 0.045-kg ice cube at -30.0°C is placed in 0.405 kg of 35.0°C water in a very well-insulated…
A: Given data: The mass of ice is m=0.045 kg. The mass of water is M=0.405 kg. The initial temperature…
Q: On a cold winter morning you step outside to get into your car and drive to work. Your car's…
A: Given data: The temperature of the ice is T=-15.3oC. The area of the windshield is A=1.40 m2. The…
Q: If you pour 0.0100 kg of 20.0°C water onto a 1.20-kg block which is initially at −15.0°C. and the…
A: As per the given data, Mass of the water (mw) = 0.01 kg; Initial temperature of water (Tw) = 200 C =…
Q: A 5.75-g lead bullet moving at 410 m/s penetrates a wood block and comes to rest inside the block.…
A: Mass of bullet is M = 5.75 g = 5.75×10-3 kg Initial speed of bullet is u = 410 m/s Specific heat of…
Q: A large power plant heats 1077 kg of water per second to high-temperature steam to run its…
A: mass of water per second = 1077 kg/s initial temeprature = 25o C final temperature = 450oC
Q: Ice melts to liquid water at O.0°C and it absorbs 0.334kJ of heat per gram. Suppose the heat needed…
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Q: A large power plant heats 1527 kg of water per second to high-temperature steam to run its…
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Q: 237 g of water, initially at 22.0 degrees Celsius, is placed in a freezer. The water freezes to…
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Q: The specific heat of a substance varies with temperature according to c = 0.24 +0.47T+0.049T2, with…
A: Variation of specific heat with temperature : c = 0.24 + 0.47T + 0.049T2 mass (m) = 7.9 g Initial…
Q: You are heating 310 mL of water to make tea; however, you forget the pot on the stove, and all of…
A: The specific heat (C) and latent heat (L) of a substance of mass (m) that absorbs heat (Q) and its…
Q: A sphere of surface area 1.25 m² and emissivity 1.0 is at a temperature of 100°C. At what rate does…
A: The surface area of the sphere is 1.25 m2.The emissivity is 1.The temperature of the sphere is…
Q: The number of kilocalories in food is determined by calorimetry techniques in which the food is…
A: The heat absorbed by the water and the aluminum cup is the same as the heat (energy) given off by…
Q: assume that for any movement, 10.0% of energy used by human muscles goes into performing the…
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Q: w much energy (in J) is required to raise the temperature of that volume of water from 12.8°C to…
A: Given values:- The volume of water,(V)=3.60 x 1012 m3 ----(1) The density of water,(ρw)=998.23 kg/m3…
Q: 0.0550 kg piece of glass is heated to an unknown temperature and dropped into a calorimeter…
A: Mass of piece of glass , mg=0.0550 kg Mass of water into calorimeter , mw=0.150 kg Initial…
Q: An unknown substance has a mass of 0.125 kg and an initial temperature of 90.0°C. The substance is…
A: The heat lost by the unknown substance is equal to the heat gained by calorimeter and water. The…
Q: An ice tray is removed from a freezer, where the ice was at a temperature of -11°C, and left on a…
A: Change of phase is represented as, Q=Q1+Q2+Q3=mci∆Ti+mLi+mcw∆Tw
Q: A person wants to cool down her bath water so she does so by adding 5.0 Kg of ice at 0°C to 75.0 Kg…
A: Given, Mass of ice,m1=5 kg Temperature of ice,T1=0°C Mass of water,m2=75 kg Initial temperature of…
Q: . (a) What is the heat capacity of a system consisting of a 0.3600 kg brass cup filled with 0.05000…
A: A) mass of brass cup = 0.36 kg mass of water = 0.05 kg
Q: You wish to cool a 1.95 kg block of brass initially at 80.0°C to a temperature of 41.0°C by placing…
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Q: Anice chest at a beach party contains 12 cans of soda at 3.70°C. Each can of soda has a mass of 0.35…
A: GivenMass of each soda can is 0.35 kgSo total mass of 12 can is Ms =12×0.35 = 4.2 kgTemperature of…
- Heat transfer depends on three factors, the mass of the system, temperature change, and substance undergoing temperature change. The amount of heat transferred into a substance will be equal to the change in its internal energy and proportional to the mass and temperature change.
- The heat transfer is then given by,
Here m is the mass of the substance, c is the specific heat of the substance, and ΔT is the change in temperature. Specific heat is the amount of heat that is required to change the temperature of a 1 kg mass by 1oC.
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- An unknown substance has a mass of 0.125 kg and an initial temperature of 94.5°C. The substance is then dropped into a calorimeter made of aluminum containing 0.285 kg of water initially at 25.5°C. The mass of the aluminum container is 0.150 kg, and the temperature of the calorimeter increases to a final equilibrium.temperature of 32.0°C. Assuming no thermal energy is transferred to the environment, calculate the specific heat of the unknown substance. J/kg - °C Need Help? Read It MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER SERCP11 11.4.P.033.MI.A 0.422 g food sample is used to raise the temperature of 14.656 g of water by 45.2 celsius. How many food Calories (kilocalories) of energy does the food contain per gram?An insulated Thermos contains 140 cm³ of hot coffee at 89.0°C. You put in a 14.0 g ice cube at its melting point to cool the coffee. By how many degrees has your coffee cooled once the ice has melted and equilibrium is reached? Treat the coffee as though it were pure water and neglect energy exchanges with the environment. The specific heat of water is 4186 J/kg.K. The latent heat of fusion is 333 kJ/kg. The density of water is 1.00 g/cm³. Number Units
- You wish to cool a 1.59 kg block of tin initially at 96.0°C to a temperature of 57.0°C by placing it in a container of kerosene initially at 28.0°C. Determine the volume (in L) of the liquid needed in order to accomplish this task without boiling. The density and specific heat of kerosene are respectively 820 kg/m³ and 2,010 J/(kg °C), and the specific heat of tin is 218 J/(kg °C). L Need Help? Read ItThe number of kilocalories in food is determined by calorimetry techniques in which the food is burned and the amount of heat transfer is measured. How many kilocalories per gram are there in a 5.00-g peanut if the energy from burning it is transferred to 0.500 kg of water held in a 0.100-kg aluminum cup, causing a 54.9°C temperature increase?The air temperature above coastal areas is profoundly influenced by the large specific heat of water. One reason is that the energy released when 1 cubic meter of water cools by 1.0°C will raise the temperature of an enormously larger volume of air by 1.0°C. Estimate that volume of air. The specific heat of air is approximately 1.0 kJ/kg ? °C. Take the density of air to be 1.3 kg/m3.
- 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).A heavy pot made of copper has a mass of 2.07 kg (including the lid) and is heated in an oven to a temperature of 155 °C. You pour 0.10 kg of water at 25.6 °C into the pot and quickly close the lid so that no steam can escape. We assume that no heat is lost to the surrounding. For copper, Ccopper 390 J/(kg.K) = For water, Cwater = 4190 J/(kg.K), Lv = 2256 kJ/kg, Lƒ = 333 kJ/kg. What is the final mass of steam in the pot? gAn insulated Thermos contains 140 cm³ of hot coffee at 92.0°C. You put in a 18.0 g ice cube at its melting point to cool the coffee. By how many degrees has your coffee cooled once the ice has melted and equilibrium is reached? Treat the coffee as though it were pure water and neglect energy exchanges with the environment. The specific heat of water is 4186 J/kg-K. The latent heat of fusion is 333 kJ/kg. The density of water is 1.00 g/cm³. Number i Units
- A dog loses a lot of heat by panting. The air rushing over the upper respiratory tract causes evaporation and thus heat loss. A dog typically pants pants at a rate of around 304 pants per minute. As a rough calculation, assume that one pant causes 0.0400 g of water to be evaporated from the respiratory tract. What is the rate of heat loss for the dog by panting? The heat of vaporization for water is 2256 kJ/kg.The mass of a hot-air balloon and its cargo (not including the air inside) is 160 kg. The air outside is at 10.0°C and 101 kPa. The volume of the balloon is 550 m3. To what temperature must the air in the balloon be warmed before the balloon will lift off? (Air density at 10.0°C is 1.244 kg/m3.) K=??A 200 g iceball can be launched from a custom launcher at 250 m/s. The iceball is initially at -5oC when it is shot vertically upwards, and by the time the iceball starts to fall down again 10 g of the ice has melted away. What is the maximum height of the iceball? The specific heat of ice is 2100 J/(kg oC) and the latent heat of fusion for ice is 334,000 J/kg.