Forced and free convection Laboratory Introduction Convection‚ along with conduction and radiation is one of the three ways in which heat is transferred. In convection‚ heat can be exchanged from one fluid to another. In this experiment‚ a heated plate is in contact with air inside a rectangular cross section duct. The air is heated by conduction from the heated plate. The density of the air decreases as it is heated and this makes the warm air rise. Colder air‚ which in turn is less dense‚ then
Free Heat transfer Heat Fluid dynamics
one-hundred and eighty degrees Celsius‚ the bottle shrank and became opaque on the top and bottom of the bottle. The preform became completely opaque and kept its original size and shape. The Differential Scanning Calorimeter (DSC) provided the heat of crystallization‚ heat of fusion‚ and glass transition temperature for PET bottle samples. The average glass transition temperatures for the top portion of an uncrystallized top and uncrystallized side are 80.605 +/- 1.1 Celsius and
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acid 4) Ice 5) .2 mL ice cold methanol B.) Procedure in Brief: 1) In a 10 x 100 mm reaction tube add .30g of methyl benzoate and .6 mL of concentrated sulfuric acid 2) Flick the tube or use magnetic stirring 3) Cool the mixture to 0 degrees Celsius 4) Add dropwise using a Pasteur pipette a mixture of .2mL of concentrated sulfuric acid and .2mL of concentrated nitric acid 5) Keep the reaction in ice 6) Warm to room temp and pour onto 2.5g of ice. 7) Isolate the solid using suction filtration
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liver particles that will be exposed to the hydrogen peroxide‚ therefore the liver that is ground up will be the quickest reaction. For temperature it will be the temperature that is forty degrees Celsius because the enzymes in the liver will not exist after the temperature goes over forty degrees Celsius. I know this due to previous experiments that I have carried out. I think the rate of decomposition will
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I know many people‚ if they could get almost infinite energy for almost nothing‚ they would probably do it. But Nuclear Fusion‚ unlike its cousin‚ Nuclear Fission‚ is quite difficult to achieve. Nuclear fission is the process of splitting large atoms‚ usually Uranium 235‚ to produce massive amounts of energy. The process enacted within all nuclear power plants is Nuclear Fission. Nuclear Fusion‚ on the other hand‚ is the exact opposite; Taking small atoms such as Hydrogen and pushing them together
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4. Preheat your air fryer to 180 degrees Celsius. Arrange these cod nuggets into the basket and slide the basket into the air fryer. Set the timer for 15 minutes 5. While the nuggets cook‚ prepare your honey tartar sauce. Simply blend all the ingredients and allow the sauce to sit in the refrigerator. For best flavors‚ allow it sit overnight. 6. As soon as the timer beeps‚ remove the basket from the air fryer. Serve the cod nuggets with your honey tartar sauce complimented by green salad or French
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disaster effects that would occur if they earth were to continue to warm. We see effects from 1 degree Celsius‚ up to 6 degree Celsius. This increase in temperature may seem like a small number‚ but in terms of global warming‚ 6 degrees has been the difference between now and the last ice age that occurred 18‚000 years ago. This can be very devastating for our planet. At an increase of just1 degree Celsius‚ the Arctic will be ice free for half of the year‚ thousands of homes would flood‚ and severe drought
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germinating peas at room temperature and 10 degrees Celsius. The rates of respiration at room temperature were higher than the rates of respiration in cold water. The reaction rate of the germinating peas at room temperature was .0125 ml/min and the reaction rate of the peas at 10 degrees Celsius was .0095 ml/min. The same is true for the germinating mung beans. At room temperature the rate of reaction was .0105 ml/min and at 10 degrees Celsius the rate was .0033ml/min. In the graphs the amount of
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I. Pascal’s Principle: ✓ The pressure applied on one part of container with fluid is transmitted equally in all directions. ✓ Pressure on one side is equal to the pressure on the other side of hydraulic press and lift Pascal Law: “The pressure exerted anywhere in a mass of confined liquid is transmitted undiminished in all directions throughout the liquid.” Equation for Pascal’s Principle: P1 = P2 F1 = F2 A1 A2 Problems: 1. The large piston in a hydraulic
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1: Construct a calorimeter of two nested stereophony cups where the cover has a hole to fir a thermometer. Measure 50ml distilled water at room temperature into the calorimeter. Measure the temperature. Heat 75ml of distilled water to 70 degrees Celsius and pour it into the calorimeter. Record the temperature change every 20 seconds for 3 minutes. Part2: Find the average initial temperature of sodium hydroxide and hydrochloric acid. Determine the temperature change occurs when you mix 50ml of 2M
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