been demonstrated.[26] Except for producing electricity‚ second‚ the geothermal energy can also be used in producing heat. 2. In winter‚ people usually use heat in order to keep the temperature in a stable range‚ but I know‚ not in FL. A. The good example is the republic of Iceland. Geothermal power is used for many things in Iceland. 57.4% of the energy is used for space heat. B. For centuries‚ the people of Iceland have used their hot springs for bathing and washing clothes. 1. The
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The specific heat of an object depends what phase it is in. The more mass an object has‚ the more heat you will have to add for the temperature to change. The change in temperature also depends on how much you want the temperature to change by. Heat‚ which is represented as q‚ equals mass‚ which is represented as M times specific heat capacity‚ which is represented as C times delta T. The type of calorimeter that most people
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Aim • To calculate the SHC of water • To see how accurately I can measure a known quantity Research Question • Will the experiment carried out give us a good approximation of the SHC of water? Hypothesis • The result we will get as the SHC of water will not be exactly the same as the literature value‚ but will be a very close figure to the literature value of the SHC of water as there will be some limitations to our experiment. Variables Independent: temperature of water Dependent:
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Monroe Motivation sequence I. Arouse Attention A. Who likes to sweat every time you go outside and take a shower three times a day to get rid of the sweat smell and refresh body? B. According to article "Emergency Heat Wave Advice" every year 175-200 people in the U.S die from the heat. C. Today I want to persuasive audience that winter is better than summer. II. Demonstrate the Need A. In summer time there are many mosquitoes which can spread diseases. 1.According to article Mosquitoes and
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was left in it; bringing it a to a constant mass. A yellow flame will deposit soot on the crucible. This would be a problem because the soot left on the crucible would vary from our constant mass and cause our mass to be inaccurate. We have to heat the crucible first without any material in it because we want to have the crucible heated at a constant weight. The chemical make-up of the compound being produced will be magnesium oxide. You must carefully
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Everyday Science Question Answers - Part 4 of 4 76. Question: Why is a new quilt warmer than an old one? Answer: In a new quilt the cotton is not compressed and as such it encloses more air which is bad conductor of heat. Therefore‚ it does not allow heat to pass. 77. Question: Curved rail tracks or curved roads are banked or raised on one side. Why? Answer: Because a fast moving train or vehicle leans inwards while taking turn and the banked or raised track provides required centripetal
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material in the WTC collapse piles could have come from‚ nor does it give a sound explanation for the unusually persistent heat at Ground Zero. Numerous misleading and misinforming statements are disseminated to conceal this dilemma of the official account. In Part I several sources are compiled relating to the exceptionally high temperatures‚ and/or to the persistent heat at Ground Zero. Most of these sources compiled have a background in science or in engineering. Some sources are statements
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Enthalpy‚ represented by the sign ∆H in kJ/mol‚ is the heat change in a reaction. It shows whether how much heat is released or absorbed during the reaction. If the reaction is endothermic‚ the enthalpy would be positive and if the reaction is exothermic‚ the enthalpy would be negative. During a chemical reaction‚ which consists of breaking and creating bonds‚ heat is either absorbed or released. In this lab‚ the reaction uses the disassociation of an ionic compound ammonium nitrate shown in the
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follow all the risk control methods and conduct the experiment in a very safe condition. The aim of this investigation is to find out more about boil water by using a kettle. For example‚ time taken to boil different volumes of water‚ specific heat of water and power of kettle. Equipment: This picture shows all the equipment that I used to do the experiment including a stop watch‚ a measuring jug and an electric kettle with power between 1850w-2200w. Table 1: Time taken to boil five
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methods: Freezer‚ Refrigerator‚ Ice Cubes‚ and Ice Bath. BACKGROUND INFORMATION All matter is made of atoms and molecules that are constantly in motion. Even in solids‚ the molecules are constantly vibrating. Heat is a measure of the average
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