Chemical Formulas Review: Nomenclature and Formula Writing Naming Simple Compounds There are four naming systems you should familiarize yourself with to succeed on the SAT II Chemistry exam. The trick is recognizing which naming system to use. Here are the guidelines: * If the compound starts with H‚ it is an acid. Use the naming acids rules. * If the compound starts with C and contains quite a few H’s and perhaps some O’s‚ it is organic. Use the naming organic compounds rules. *
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THE EFFECTS OF MOLECULAR WEIGHT ON THE RATE OF DIFFUSION OF SUBSTANCES PRINCESS AYNAH D. SANGGACALA Biology 101.1 Professor Christina A. Barazona September 15‚ 2014 THE EFFECTS OF MOLECULAR WEIGHT ON THE RATE OF DIFFUSION OF SUBSTANCES In partial fulfillment of the requirement For Biology 101.1 By Princess Aynah D. Sanggacala Professor Christina A. Barazona September 15‚ 2014 ABSTRACT The effect of molecular weight on
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The Effect of Molecular Weight on the Rate of Diffusion of Potassium permanganate (KMNO4)‚ Potassium dichromate (K2Cr2O7) and Methylene blue ¹ ABSTRACT The effect of molecular weight on the rate of diffusion was determined using the Agar-water Gel Test. One drop of potassium permanganate (KMNO4)‚ potassium dichromate (K2Cr2O7) and methylene blue were used. Each substance has a respective molecular weight of 158 g/mol‚ 294g/mol and 374 g/mol. The diameters (in millimeter) were measured
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Directions Using the formula for dilutions‚ write the recipe to make 100 mL of a new solution of each solute based on having as much of the initial solution as you need. V1 M1 V2M2 SoluteFormula of SoluteInitial Concentration (M)Final Concentration (M)Recipe For 100 mL of New SolutionSodium hydroxideNaOH1.0 M0.27 M(1.0M)(VNaOH) (0.27 M)(100 mL) VNaOH 27 mL Dilute 27 mL of 1.0 M NaOH to 100 mL.Potassium permanganateKMnO41.0 M0.34 MDilute 34 mL of 1.0 M
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The Effect of Molecular Weight and Time on the Diffusion Rate of Potassium Permanganate‚ Potassium Dichromate‚ and Methylene Blue.1 Arantxa Alex Carpio Group 1 Sec. X – 4L March 24‚ 2015 ABSTRACT The effect of molecular weight and time on the rate of diffusion was determined using the agar-water gel test. A petri dish of agar-water gel with three wells was prepared and a prepared solution of each substance was dropped on each well; one with potassium permanganate (KMnO4)‚
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Polyatomic Ions.table List of Polyatomic Ions that Must be Memorized for General Chemistry Polyatomic Cation: NH4+ ammonium ion Polyatomic Anions Ionic Charge: Oxyanions: ClO4– perchlorate ion ClO3– chlorate ion – ClO2 chlorite ion ClO– hypochlorite ion -1 Ionic Charge: Oxyanions that Contain Hydrogen: HCO3– bicarbonate ion or hydrogen carbonate ion HSO4– bisulfate ion or hydrogen sulfate ion NO3– NO2– nitrate ion nitrite ion MnO4– permanganate ion
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QUALITY CONTROL LABORATORY Mam Dawn Assay of HCL Aqueous Alkalimetry Direct titration 0.1N NaOH Methyl Red TS HCL + NaOH NaCl + H2O Assay of Diluted H3PO4 Aqueous Alkalimetry Direct titration 0.1N NaOH Thymolphthalein TS H3PO4 + 2NaOH Na2HPO4 + 2H2O Assay of H3BO3 Aqueous Alkalimetry Direct titration 0.1N NaOH Phenolphthalein TS H3BO3 H+ + BO2- + H2O
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Exercise 1: Cell Transport Mechanisms and Permeability: Activity 5: Simulating Active Transport Lab Report Pre-lab Quiz Results You have not completed the Pre-lab Quiz. 01/31/13 page 1 Experiment Results Predict Question: Predict Question 1: What do you think will result from these experimental conditions? Your answer : a. Na+ will be maximally transported. Predict Question 2: Do you think the addition of glucose carriers will affect the transport of sodium or potassium? Your answer : a
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Password cracking has matured in the past few years. New hardware and techniques has made it possible to attempt 8.2 billion password combinations per second. This is being done by leveraging the GPU (Graphics Processing Unit) of the computer‚ complex algorithms and a new twist on an old technique called rainbow tables. In a rainbow table the password is passed through a complex mathematical formula that expresses all possible password combinations without requiring each combination to be stored
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Material and Methods * Osmosis : -thistle funnel tube -dialysis tubing sack -saturated NaCl w/food coloring -beaker with distilled H2O The experiments begins with the construction of a simple osmometer by obtaining pre-soaked length of tubing ‚opened and tied at the end. The tube is filled with saturated NaCl solution (with added food coloring) and the thistle is inserted in the dialysis tubing. The dialysis tubing is sealed to the thistle funnel with dental floss and placed in a beaker
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