How to calculate latent heat
[DOC File]To Measure the Specific Latent heat of Fusion of Ice
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From this equation you can calculate the specific latent heat of fusion of ice. The accepted value is 334,000 J/kg. Try to explain why your experiment gave a different answer. Were your 2 results very different? Data Collection: Record temperature, mass of water and mass of ice in a suitable table.
[DOCX File]IB Questionbank Test - Physics Rocks!
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Specific latent heat of fusion of ice 3.3 105J kg–1. Specific heat capacity of water 4.2 103 J kg–1 K–1. Calculate the final temperature of the water when all of the ice has melted. Assume that no thermal energy is exchanged between the water and the surroundings.
[DOCX File]Temperature: ordinary level questions - The Physics Teacher
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What is meant by latent heat? Latent heat is the heat energy required to change the state of a substance (without changing temperature) Name an instrument used to measure temperature. Thermometer. Calculate the energy removed from the water to reduce its temperature to . 0. C. Q = mcΔθ = 0.75 × 4200 × 20 = 63000 J
[DOC File]EXPERIMENT 4B - WFU Physics
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Heat water from 0 to 100° C. So, using Q = mcΔT, we have Q(3) = 419,000m. Another phase change. The water at 100°C is turned into steam at 100°C, and given the latent heat of the vaporization of water, Lv is easy to calculate, Q(4) =mLv =2,257,000m. Heating the steam from 100°C to 120°C.
[DOC File]TAP608-0: Latent heat
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Episode 608- 4: Questions involving specific heat capacity and specific latent heat. Data. Specific heat capacity of water = 4200 J kg-1 K-1. Specific heat capacity of iron at 100 °C = 220 J kg-1 K-1. Latent heat of vaporisation of water = 2260 kJ kg-1. Latent heat of fusion of …
[DOCX File]WordPress.com
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5 kg of water is evaporated at 100°C. Latent heat of vaporisation of water = 2,260,000 J/kg. 1 kg of ice is melting at 0°C. Latent heat of fusion of water = 334,000 J/kg. The boiling point of oxygen is at -183°C. Calculate the energy needed for 50g of Oxygen to evaporate at its boiling point. Latent heat of vaporisation of oxygen = 213,000 J/kg.
[DOC File]Name
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the amount of heat absorbed by the solid to melt it. the mass of the solid. the latent heat of fusion measured in Joules/g. The amount of heat necessary to warm or cool water depends on the mass or amount of water, the temperature change and the specific heat capacity of water. We have: Equation (2) where. Q is the amount of heat absorbed or ...
[DOC File]Physics A
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If the specific heat capacity of gold is 129 J/kg((C and the melting point of gold is 1063(C, calculate the heat of fusion of gold. Physics A. Chapter 10 - Thermodynamics. 1) The largest glass bottle made by the method of glass-blowing was over 2 m tall. Suppose the net pressure used to expand the bottle to full volume was 5,100 Pa.
[DOCX File]Laurence Jackson School
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When a liquid turns into a solid, heat energy is given out – this is called latent heat. So the fact that a liquid can be turned into a solid means the particles in a liquid have potential energy. Another way of saying this is that particles in, for example, a liquid have had work done on them for them to change state from a solid: an object ...
[DOCX File]thephysicsteacher.ie
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Calculate the specific latent heat of fusion of ice. [2002] In an experiment to measure the specific latent heat of fusion of ice, warm water was placed in an aluminium calorimeter. Crushed dried ice was added to the water. The following results were obtained.
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