Unit 1 Gas Laws Lab Guide PhET Gas Properties lab - http://phet.colorado.edu/en/simulation/gas-properties Your lab write-up for this lab will be a minimum of a 15 slide presentation created with Power point or Libre Office. Contact your instructor if you have questions about your lab assignment. Some information has been provided for you‚ but still needs to be included on your slides. The areas that are bolded are areas of information that need to be completed by you. Submit your lab write-up
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The Molar Mass of a Volatile Liquid Adam Kozdrowicz Adam Li 11/05/12 Mr. McCready Purpose: The purpose of this procedure is to determine the molar mass of an unknown liquid‚ evaporate a sample of a liquid substance‚ and measure certain physical properties of the substance as it condenses. Procedure: 1. Obtain safety goggles. 2. Trim a piece of aluminum foil so that it covers the top of a small 13 x 100 mm test tube. Secure the foil with electrical tape. Make sure
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Making Molar Solutions and Dilutions Objectives: After performing this lab‚ the student should be able to: • Calculate grams of solute and correctly prepare a molar solution. • Prepare parallel and serial dilutions using C1V1 = C2V2 • Distinguish a parallel dilution from a serial dilution. • Determine whether a parallel or serial dilution should be used in a given situation. • Use a microcentrifuge to make a pellet. Making Molar Solutions and Dilutions A major job of any biotechnician
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The purpose of this lab was to use gas chromatography to determine the relative amounts of the three components of gas products from the dehydration reaction of 1- and 2-Butanol with sulfuric acid and the dehydrobromination reaction of 1- and 2-Bromobutane with potassium tert-butoxide. E1 reactions are two-step unimolecular reactions. The first step of an E1 reaction occurs when a leaving group‚ which consists of a weak base‚ leaves an organic compound‚ leaving an intermediate carbocation. In the
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Mateo Castro April 3‚ 2013 Lab Partner: Unur Abdul Kader T.A: Katie Experiment 22: Molar Solubility‚ Common-Ion Effect Abstract The purpose of this experiment was to determine the molar solubility‚ the solubility constant‚ and the effect of a common ion on the molar solubility of calcium hydroxide. To accomplish this the experiment was split into two parts; part A and Part B. in Part A of the experiment a standardized 0.05 M solution of HCl was titrated into a 25 mL solution of saturated
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<center><b>Mass‚ Volume‚ and Density Lab</b></center> <br>The purpose of this lab was is to find the mass and volume of an object. Then to find the density of the object using the measurements of the mass and volume. <br> <br><b>Equipment:</b> <br>scale <br>graduated cylinder <br> <br><b>Hazards:</b> <br>dropping object into graduated cylinder too fast may cause it to break <br> <br><b>Procedure:</b> <br>First get out the equipment that will be needed. Make sure to have about 5 objects that can fit
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EXPLORING GAS LAWS- Astrella Rosano Lab Partners: Sam Youngdale‚ Charlie Stalzer‚ Ni Xhengzhuan. TA: Giang Nguyen Date Submitted: September 28‚ 2012 Section: Chemistry 1310-L10 Honor Pledge: I did not copy this work from any others student(s)‚ current students in lab‚ or old lab reports. Signature: ____________________ Raw Data- A. Exploring Pressure-Volume Relationships Pressure (torr) | Volume (mL) | 1384.2 | 5 | 1198.1 | 6 | 1038.1 | 7 | 921.3 | 8 | 826.2 | 9 | 752.6 |
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Abstract: By manipulating the ideal gas law (PV=nRT)‚ we will be determining the molar mass of an unknown volatile liquid. Heating a flask filled with an unknown‚ easily evaporated liquid will allow for measurements that can be taken to work out the ideal gas equation. This lab will require knowledge of basic equations used in chemistry. Using these equations‚ such as density and number of moles(n)‚ we can substitute different values into the ideal gas law to manipulate it. II. Materials:
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Determining the Absorbance Maximum Wavelength and Molar Extinction Coefficient to Find the Molarity of the Unknown DCPIP Background Information: A spectrophotometer is an instrument used to help determine the absorption spectrum of chemicals. It does this by reading the absorbance of the chemical at different wavelengths. All chemicals absorb light in their own distinct way. This distinction helps to identify unknown chemicals. The absorption of light within a chemical is also very important because
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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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