One group of students recorded the following measurements: minner cup= 45.36 g %3D mcup set 198.23 g %3D mcup set+water= 430.17 g %3D mcup_set+water+ice = 471.51g %3D TH = 58.9 °C %3. TF = 37.4 °C What is the latent heat of fusion of ice according to their measurements in cal/g? Enter the number with proper significant figure. Your Answer: Answer units

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Q: A.20 kg ice cube at 0.0° C has sufficient heat added to it to cause total melting, and the resulting…

A: The heat energy needed to melt the ice is Q1=mLf

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Q: A 175 g lump of molten lead at its melting point (327 C) is placed into 55.0 g of water at 20.0°C.…

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Q: FOLLOWING CONSTANTS ARE GIVEN FOR CALCULATIONS. Specific Heat of Water = 4186 J/kg °C, Specific Heat…

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A: Dimensional formula for thermal conductivity is (here K denotes the temperature)

Q: A student measures the following data in a calorim- etry experiment designed to determine the…

A: given: initial temperature of water and calorimeter = 70o Cmass of water = 0.400 kgmass of…

Q: A glass window has an area of 1.6 square meter and a thickness of 4mm. If one side is at a…

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Q: A 5-mm-diameter spherical ball at 50°C is covered by a 1-mm-thick plastic insulation (k = 0.13…

A: The diameter of spherical ball,

Q: If you add 700 kJ of heat to 600 g of water at 60.0°C, how much water will be left in the container?…

A: Given: The amount of energy added is 700 kJ. The latent heat of vaporisation is 600 g. The initial…

Q: If you add 700 kJ of heat to 600 g of water at 60.0°C, how much water will be left in the container?…

A: Given data:  Total heat = 700 kJ = 700,000 J Mass (m) = 600 g = 0.600 kg Initial temperature (T0) =…

Q: 25,000 J of thermal energy is added to a 5.00 kg sample of an unknown metal to raise its temperature…

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Q: If you add 700 kJ of heat to 600 g of water at 60.0°C, how much water will be left in the container?…

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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: During an accident, (5.70x10^0) g of boiling water at 100.0°C was splashed onto a burn victim's skin…

A: mass of boiling water = 5.7 g initial temperature of water = 100oC final temperature of water =…

Q: A closed box is filled with dry ice at a temperature of -80.9 oC, while the outside temperature is…

A: Given values: Temperature of dry ice, T1=-80.9 °C Outside temperature, T2=28.4 °C Side of the cube,…

Q: Calculate the total heat required to convert 100 g ice at –15°C to steam at 120 °C. (Specific heat…

A: Scenario - Ice at a certain temperature is heated to melt to water and then it is further heated to…

Q: A hot (A)=202 g aluminum metal sample at 100°C was placed in an isolated calorimeter that contains…

A: mass of aluminum sample = 202 g initial temperature of Al sample = 100oC mass of calorimeter = 30 g…

Q: How much water that is initially at 100.0° C must be added to a 2.80kg of water to increase its…

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Q: The specific heat of ice is 2.10 kJ/kg.°C, the heat of fusion for ice at 0°C is 333.7 kJ/kg, the…

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Q: In a calorimetry experiment, two liquid substances X and Y with the same mass are placed in separate…

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Q: 3.70 g of boiling water at 100.0°C was splashed onto a burn victim’s skin and cooled to 42.8°C on…

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Q: What is the minimum amount of energy required to completely melt a 7.25kg lead brick which has a…

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Q: In an experiment, you need to cool a 0.25 kg of water from 25 °C to 0 °C. How much ice (initially at…

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Q: In an experiment, a 125-g sample of an unknown metal is heated to 98.0°C. The metal is then placed…

A: The mass of an unknown sample is, m1=125 g The temperature difference of an unknown metal is,…

Q: A copper bar of thermal conductivity 401 W/(m·K) has one end at 114°C and the other end at 24.0°C.…

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Q: 3.60 g of boiling water at 100.0°C was splashed onto a burn victim’s skin and cooled to 42.9°C on…

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Q: How many joules are needed to change 50 g of ice at 0°C to steam at 120° C?The latent heat of fusion…

A: We have ice of mass m=50 g at T=0 C=273 K. We need to find energy required to convert this to steam…

Q: In an experiment to determine the specific heat of copper, a piece of copper weighing 50.06 is first…

A: Given data: The mass of copper piece is mc=50.06 g. The initial temperature of piece is Ti=100℃.…

Q: 2. What is the Latent Heat of Fusion of a substance if 1200 J melts 40 grams of it?   20 J/g   30…

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Q: 3.20 g of boiling water at 100.0°C was splashed onto a burn victim’s skin and cooled to 44.1°C on…

A: Given data The mass of the boiling water is mw = 3.20 g The initial temperature of the boiling water…

Q: What is the amount of heat in joules needed to increase the temperature of 335.5 g of water from…

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Q: а. 340 mL of 95 °C hot water is put into an insulated 140 g (25 °C) copper container. How many grams…

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Q: If you add 700 kJ of heat to 700.0g of water originally at 70.0°C, how much water is left in the…

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Q: A 22 kg sample of ice is at 0.00° C. How much heat is needed to melt it? (For water L=334 kJ/kg and…

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Q: 314.0 kg copper bar is put into a smelter for melting. The initial temperature of the copper is…

A: Given: The mass of the copper bar: m = 314.0 kg; The initial temperature: Ti = 299.0 K; The…

Q: 2.4 g of water was evaporated from the surface of skin. How much heat, in the unit of kJ, was…

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Q: TRIAL 2 Determining the Specific Heat of Metal Specimen Metal Specimen 2 Mass of calorimeter, m:…

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Q: A hot (A)=191 g aluminum metal sample at 100°C was placed in an isolated calorimeter that contains…

A: When two liquids of different temperature are mixed then heat transfers from hotter body to the…

Q: A 3-m-internal-diameter spherical tank made of 1-cm-thick stainless steel is used to store iced…

A: a) Outer surface area of the tank is,

Q: In a laboratory experiment, 16.0 J of heat raised the temperature of a 199-g object from 25.0° C to…

A: Given data:  Heat (Q) = 16.0 J Mass (m) = 199 g = 0.199 kg Initial temperature (T0) = 25.0°C = 298 K…

Q: A 45.0-kg sample of ice is at 0.00° C. How much heat is needed to melt it? For water LF =…

A: Given data:  Mass (m) = 45.0 kg Ice at 0.00°C Latent heat of fusion (Lf) = 334,000 J/kg Required:…

Q: How much heat is absorbed by 100 g of ice at -10⁰C to become water at 20⁰C?

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Q: 39. The concrete wall of a building is 0.10 m thick. The temperatureinside the building is 20.0 8C,…

A: Given data K=1.1 W/m2°cL=0.1 mTi=20°cT0=0°c

Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.