Which heats up faster: sand or water? Hypothesis: Sand heats up faster than water because it has a lower specific heat. Water has a specific heat‚ which requires one calorie of energy to raise the temperature of one gram of water by one degree Celsius. Sand has a lower specific heat. It takes .19 calories per gram to raise the temperature of the sand by 1 degree Celsius. Sand requires fewer calories to raise its temperature one degree Celsius and that’s why it heats up faster than water.
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is the determination of specific heat of metals. The obtained value of experimental specific heat of metal of aluminum and copper are 0.2152 calg-℃ and 0.0958 cal g-℃ ‚ respectively. It is a must to work faster in performing this experiment because working in an air-conditioned room greatly affects the result of the temperature. For the temperature values‚ the final temperature of mixture should not increase more than 1 ℃ compare to its initial temperature of water/calorimeter for it will give you
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Heat transfer is a discipline of thermal engineering that concerns the generation‚ use‚ conversion‚ and exchange of thermal energy and heat between physical systems. Heat transfer is classified into various mechanisms‚ such as thermal conduction‚ thermal convection‚ thermal radiation‚ and transfer of energy by phase changes. Engineers also consider the transfer of mass of differing chemical species‚ either cold or hot‚ to achieve heat transfer. While these mechanisms have distinct characteristics
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ONTARIO PUMP COMPANY Ontario Pump Company‚ a small manufacturing company in Toronto‚ manufactures three types of pumps used in a variety of machinery. For many years the company has been profitable and has operated at capacity. However‚ in the last two years‚ prices on all pumps were reduced and selling expenses increased to meet competition and keep the plant operating at capacity. Second-quarter results for the current year‚ which follows‚ typify recent experience. ONTARIO PUMP COMPANY
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HOW TO READ A CASE Read the case through one time without making any notes Read the case a second time. Prepare the case brief Briefing a case involves taking the published opinion and breaking it down in your words as to the facts‚ issues‚ holdings‚ reasoning‚ decisions‚ and references. A case brief usually refers to a summary of a published case opinion. When you prepare a case brief‚ keep in mind that one of your greatest obstacles will be to summarize highly technical or poorly written
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Static Head of fluid above pump centre line (see note). (+) Atmospheric Pressure (-) Vapour Pressure of liquid at pumping temperature (-) Friction loss in suction piping up to pump centre line consisting of the following : Entrance and exit losses Loss in suction strainer Loss in control valves‚ instruments‚ exchangers etc. if any Line losses Note : a) The height of liquid in the vessel should be taken to be at the vessel bottom tangent line. b) Height of the pump centreline is calculated
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conducted to find the specific heat of a metal as well as the heat of solution of a solid. Both experiments required the use of calorimetry to measure heat flow and temperature change. The specific heat of the metal was found by heating it in boiling water before transferring it to the calorimeter that was partially filled with water. After shaking the calorimeter‚ the temperature change was measured and recorded. This information was used to calculate the specific heat. The heat of solution of a solid
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List possible solutions for air‚ water‚ and land pollution. Pollution is the presentation of contaminants into the indigenous habitat that cause unfavorable change. Contamination can take the type of concoction substances. Pollution can affect our daily lifestyle. Air pollution‚ water pollution‚ and land pollution is the common things that are highly polluted. All of these pollutants can be prevented and solved with. These can be solved if we use all try to prevent using certain things and
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Hilton Case Study After staving off two major takeover attempts in the 1990 ’s‚ Hilton Hotels Corporations (HHC) decided to adjust its overall strategy and become more aggressive in its business operations. Although already a force in the hotel industry with a strategic focus in three areas: hotel ownership‚ managing and franchising‚ and timeshare; Hilton Hotels decided to shift more resources into gaming‚ resort operations and the mid-priced segment of the hotel industry (hotel-online.com 2006)
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Specific Heat and Conservation of Energy When energy in the form of heat Q is added to a material‚ the temperature of the material rises. Note that temperature‚ in units of degrees Celsius (°C) or Kelvin (K)‚ is a measure of how hot or cold a substance is‚ while heat‚ in units of joules (J) or calories (cal)‚ is a measure of its thermal energy. 1cal = 4.19J. A measure of the efficiency with which a substance can store this heat energy is known as specific heat capacity‚ or simply the specific heat‚ . The
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