Laws we will be investigating are as follows: Boyle’s Law: PV=C Charles’ Law: V/T=C Gay-Lussac’s Law: P/T=C Avogadro’s Law V/n=C Ideal Gas law: PV=nRT http://chemistry.bd.psu.edu/jircitano/gases.html Materials: Lab Quest Lab Quest App Vernier Gas Pressure Sensor Temperature Probe 20 mL Gas Syringe 125 mL Erlenmeyer Flask Three 600 mL Beakers Rubber Stopper assembly with two way valves Hot plate Ice Dry Ice Ethanol Ethylene Glycol Expected Results: Pressure Vs Volume
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instant that solid crystals start to form. At this moment‚ the solution is saturated and contains the maximum amount of solute at that temperature. MATERIALS : computer hot plate Vernier computer interface stirring rod Logger Pro potassium nitrate‚ KNO3 Temperature Probe distilled water 2 utility clamps 400 mL beaker four 20* 150 mm-test
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Paper Electron diffraction through a graphite film. Mark Raskin Skidmore College (11/14/14) Abstract: In this paper‚ the wave-like properties of electrons are discussed. We are trying to measure the inter-atomic spacing (d) between the graphite atoms‚ which we are accelerating electrons through. As the electrons pass through the graphite‚ an interference pattern emerges on the screen in front of the gun. The interference pattern shows up as a circle within a circle‚ each of which represents
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S5E1 Gaseous Diffusion 1.0 ABSTRACT In this experiment‚ our objective is to find out the gas diffusion coefficient‚ D of acetone in the air. This experiment is conducted at a temperature of 50ºC and atmospheric pressure. The method that is applied to conduct this experiment is called the Winkleman method where the level of acetone (Z) is determined every 15 minutes by using a microscope. With the level of acetone being determined‚ a graph of t/L+Lo (min /mm) vs. L-Lo (mm) is plotted and the
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Materials - The materials required for this science project5 unscented candles - 5 rose scented candles - 5 apple scented candles All of the 15 candles should have the same diameter‚ length and be made by the same manufacturer - A ruler - A caliper - A stopwatch - A box of matches or lighter Procedure: 1. For this experiment‚ the independent variable is the type of candle used – unscented‚ rose scented and apple scented. The dependent variable is the reduction in the candle’s length after
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remains constant‚ even though it seems energy is “lost” – in which it is not lost‚ but changed from kinetic to potential or vice versa. METHOD Materials: * Computer (MAC OS) - Vernier Computer Interface - LoggerPro Software * Vernier Motion Detector - Basketball Procedure 1. Connected the Vernier Motion Detector to the DIG/SONIC I channel of the interface‚ and set the
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going to be changed during the reaction. The concentration of crystal violet will be of 4×10-5 M and the concentration of sodium hydroxide will be of 0.20 M. ASPECT 3: developing a method of obtaining data Materials: * 1 water bath * 1 Vernier colorimeter * 90mL of 0.20M Sodium Hydroxide * 90mL of 4×10-5M of Crystal Violet * 2‚ 125mL (± 5ml) beakers * 2‚ 50mL (± 5ml) beakers * 2 measuring cylinders‚ 10mL (±0.5ml) * 1 Thermometer (±1 °C) * Ice * Hot water
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Does cleaning a table tennis racket and keeping it in a case preserve its power and spin? Introduction: Spin plays a large part in most‚ if not all‚ ball sports. In no sport is the Magnus Effect more conspicuous than in the sport of table tennis. The small‚ light ball can spin up to 150 revolutions per second in a match situation. (Qun‚ et al.‚ 1992) This is due largely to technique‚ but the level of spin has greatly improved since the 1950’s‚ due to the invent of “sandwich rubber”‚ or “Inverted
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beaker x 1 (1L) test tube x1(up to the top) water 500ml(up to the top) measuring stick ( to measure distance between light and plant) x1 Elodea plant x1 Safety goggles x5 Lab Quest Vernier (measuring light intensity) x1 stopwatch x1 bunsen burner x1 Tripod x1 Gauze x1 Thermometer x1 tape x one roll DIAGRAM: METHOD:
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of the five metals that are bonded with Chlorine‚ and perhaps it will bond more easily with the water molecules‚ keeping it from freezing. *MATERIALS: *Power Macintosh or Windows PC *10-ml graduated cylinder *Vernier computer interface *ice *LoggerPro *salt *Vernier Temperature Probe *stirring rod *ring stand *100 ml of 1M calcium chloride *utility clamp *100 ml of 1M magnesium chloride *one test tube *100 ml of 1M sodium chloride *600-ml beaker *100 ml of
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