資料:21件

  • Boyle`s Law
  • Aim:  Determine the relationship between the gas and the volume in the gas syringe, by using a “Gas pressure sensor”. (Which means, prove Boyle’s Law)  Aim of this is to prove the Boyle’s law. From out #1’s data table, we got very close value of consta..
  • 540 販売中 2005/07/30
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  • Experiment about Fireworks.
  • Determine the kinetic energy of the rocket firework by calculation. To calculate kinetic energy, 2 values are need. How high it went and how long it takes to reach zenith. Use a method call triangulation to determine how high the rocket firework went. It’s ve..
  • 648 販売中 2005/07/30
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  • Transformation matrxi
  • Introduction. A linear transformation, T, of the plane which maps the point P (x, y) onto the point P’ (x’, y’) is defined by the equations...  First, it’s easy to think about so make it the coordinate of OABC as same as Part 1’s b). Which is O = (0, ..
  • 2,160 販売中 2005/07/30
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  • Investin Sequence
  • From the question above, we can see that for n = 1, we will get 1 x 1! by the equation. And for n = 2, we have 2 x 2! and identically, we have 3 x 3!, when n = 3. There is a simple pattern. So, we can understand that the n x n! is the formula for the nth ter..
  • 1,296 販売中 2005/07/30
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  • Rotating Angles
  • A rectangle OABC rotates counter clockwise about the point O as shown in the diagram below, which is not drawn to scale  Initially O is at (0,0), A is at (4,0), B is at (4,3), C is at (0,4).  The diagram shows the rectangle after it has rotated through 20 ..
  • 1,296 販売中 2005/07/30
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  • Observing Oxidation and Reduction Reactions
  • *Station1; test tube, copper (II) sulfate, small piece of zinc  *Station2; test tube, iron (III) chloride, small piece of zinc, 5 drops of potassium hexacyanoferrate *Station3; test tube, 1.0M hydrochloric acid, small strip of magnesium metal, wooden splint,..
  • 540 販売中 2005/07/30
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  • Population Growth
  • First, the graph of the population versus time is about direct proportional. However, if we see the changes (difference between years), we can see the some differences. First, between 1801 and 1811, there is least population increase in the chart. Between 1811..
  • 648 販売中 2005/07/30
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  • Determine the order of reaction
  • Introduction The purpose of experiment is to determine the order of reaction with respect to KMnO4. Mix KMnO4 and H2C2O4 then, stir it until color become colorless. It takes some times. Also, this experiment needs to measure the time until color become colorl..
  • 540 販売中 2005/07/21
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  • Neutralization, Combustion and Heat of Reaction
  • Aim: /Experiment 1. Find out the ΔH of neutralization /Experiment 2. Find out the heat of combustion of the ethanol. /Experiment 3. Find out the heat of reaction between CuSO4 and Mg. Hypothesis: /Experiment 1. I think the result become negati..
  • 540 販売中 2005/07/21
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  • Heats of Reaction
  • *Aim According to Hess’s law, the heat of reaction of the one reaction should be equal to the sum of the heats of reaction for the other two. Measure the heat released by 3 reactions by using a Styrofoam-cup to than calculate for the heat of reaction, ΔH, fo..
  • 540 販売中 2005/07/21
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  • Evaporation and Intermolecular Attractions Lab.
  • 1.Calculate the mean, standard deviation and percent standard deviation of your t-values. Include the values in a table.  2.Two of the liquids, 2-propanol and acetone, had significantly different t-values. Explain the difference in t values of these substan..
  • 648 販売中 2005/07/21
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  • Equilibrium Lab(全英文)
  • Object;  Part A - Determine the changing color of the indicator(nethyl orange) in the      reaction(HCL + NaOH) and with water.. Part B - Determine the reaction to form Iron Thiocyanate.  Discussion;  Part A – Q.1 addition of acid --- NaOH + HCL ..
  • 540 販売中 2005/07/21
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