familiar with is called heat while temperature is the measure of a degree of heat or coldness of an object. In everyday life‚ heat or cold is commonly used to explain the degree of temperature of an object. An object that is said to be hot means it has a high temperature. Similarly‚ when an object is said to be cold‚ is means it is has a low temperature.  IMAGE GOES HERE Image Source Why does heat move from our hands to ice cubes and not vice versa? This is due to the heat transfer from a high
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temperature of the water it was boiled in. 70°C 3. What was the specific heat of water in J/g°C? 4.186 J/g°C 4. Using the following equation‚ your answers to questions 1-3‚ and your data table‚ determine the specific heat of the metal sample you tested. 5. Identify you metal using the list of specific heat values provided. The metal that was identified was Zinc. 6. Calculate the percent error in the specific heat value that you determined experimentally. Conclusion: The purpose of
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each of the fuels. The averages were based on five trials. PropanolTheoretical Heat of Reaction: Bonds Broken Bonds Formed Type of Bond Bond Energy (KJ/mole) Number of Bonds Total (KJ/mole) Type of Bond Bond Energy (KJ/mole) Number of Bonds Total (KJ/mole) C-H 412 7 2884 C=O 802 6 4812 C-C 348 2 696 H-O 463 8 3704 O=O 496 5 2480 C-O 366 1 366 O-H 463 1 463 Total 6889 Total 8516 Table 5: Shows the theoretical heat change in enthalpy for Propanol From the above results‚ the theoretical change
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Clausius was the first to formulate the second law in 1850. His statement was that “no machine whose working fluid undergoes a cycle can absorb heat from one system‚ reject heat from another‚ and produce no effect”. Following these came about another statement made by Kelvin and Plank which said “no heat engine whose working fluid undergoes a cycle can absorb heat from one reservoir‚ deliver an equal amount of work and deliver no other effects”. One example of the second law of thermodynamics is when
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The Pump We have about 10-20 kids with diabetes in our school but out in the world there are about 15‚000. All of these kids have a pump. Some of you may be wondering what that is. Today you will know what a pump is and why kids and adults with diabetes need one. Some people may know what this is but most people don’t. For those of you who do know good for you‚ but for those of you who don’t that is why I am here today. Diabetes is a condition where your pancreas doesn’t produce enough
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Fenestration as the effective strategies to achieve thermal comfort and reduce heat gain in Phase l of Belum Rainforest Resort‚ Pulau Banding‚ Perak. Asian Architecture [ARC 2213/2234] PROJECT 1: CASE STUDY Fenestration as the effective strategies to achieve thermal comfort and reduce heat gain in Phase l of Belum Rainforest Resort‚ Pulau Banding‚ Perak. NAME: KEE TING TING STUDENT ID: 0310019 LECTURER: MS. SHARIANNE MOHD. SHAH SUBMISSION DATE: 11 NOVEMBER 2014 ARC 2213/2234 Asian Architecture
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The Calorimeters Calorimeters are a device that can measure the heat that comes from burning an item. Simple Calorimeter A simple calorimeter is used to detect the enthalpy change when a fuel is burned. The fuel is burnt to heat a specific mass of water and then measure its rise in temperature. The word calorimeter comes from the Latin phrase calor which means heat. A simple calorimeter just consists of a thermometer attached to a metal container full of water suspended above a combustion chamber
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Electric beaters 3 7.2.2 Mincers 3 7.2.3 Liquidisers 3 7.2.4 Blenders 4 7.2.5 Mixers 4 7.2.6 Food processors 4 7.2.7 Ice-cream makers 5 7.3 Food cooking processes 5 7.3.1 Scientific principles and types of heat transference 5 7.3.2 Cooking methods 8 7.3.3 Cooking Devices 14 7.3.4 Industrial devices 18 Food Preparation Technology 1 DRAFT July 2009 7 Food Preparation Technology 7.1 Food preparation techniques When preparing
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The heating of brown beans‚ red cabbage‚ liver sausage and brussel sprouts was done in a water bath of 82.5°C. As can be seen in figure 1 the brussel sprouts heated up the quickest and took 11 minutes to come to a 77.5°C temperature or a 5°C lower temperature than the max. The other three heated up similarly with red cabbage taking 38 minutes‚ brown beans 42 minutes and the liver sausage taking the longest with 45 minutes. Water was added to the brussel sprouts and that did have an effect on the
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P1a 1.1 Thermal Radiation * Thermal or heat radiation is the transfer of energy by infra-red waves. * Thermal radiation is energy transfer by electromagnetic waves. * All objects emit thermal radiation. * The hotter an object‚ the more thermal radiation it emits. * Heat radiation can travel through a vacuum. 1.2 Surfaces and Radiation * Dark‚ matt surfaces are better emitters of thermal radiation than light‚ shiny surfaces. * Dark‚ matt surfaces
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