The objective of this experiment is to conduct a free radical reaction and measure the ratio of products through a GC analysis. Free radical reactions are important to understand because they allow chemists to design synthesis of complex molecules from very simple organic molecules. The reagents used were 2‚3-dimethylbutane as the carbon chain‚ t-butyl peroxybenzoate as the initiator‚ and sulfuryl chloride as the source of chloride radicals. The predicted products are 1-chloro-2‚3-dimethylbutane
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Name _________________________________________ Date ______________ Period ______________ Chemistry Lab Mole: Measuring Mass as a Means of Counting Purpose: Determine the number of atoms that fit on one tea spoon. 1. Use one clean and dry 50 mL beaker. Place on a balance and press the zero button until the display shows 0.00. 2. Place one level teaspoon of sodium chloride (NaCl) into the beaker‚ determine the mass and record in the table (row 1). 3. Repeat steps 1-2 for CaCO3 4. Repeat steps 1-2
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Conclusions At the end of Part A in this experiment‚ it can be determined that Sodium Chloride had the highest amount of conductivity tested by all groups. On the graph above‚ the data shows that NaCl (sodium chloride) held the highest amount of electrical conductivity for all groups and on the table it reads the highest numbers across its row. Also as seen in the data above‚ ethanol had the lowest amount of conductivity with sucrose‚ acetic acid‚ ammonia‚ and MgCl2 following in ascending order
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Before conducting the experiment‚ the online simulation was used to determine which substances were endothermic or exothermic when dissolved in water. According to the simulation‚ sodium chloride and ammonium chloride was observed to be endothermic. Calcium chloride‚ sodium acetate‚ sodium carbonate‚ and lithium chloride was observed to be exothermic. As sodium chloride and ammonium chloride was observed to be endothermic‚ those two salt substrates was not used in the experiment as the goal of the
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CONCLUSION After many class lab days‚ I concluded my unknown was Calcium Carbonate due to results from the Flame Test and Anion I Test. Throughout our lab days‚ my friends would help me determine various odors and colors of the substances which allowed me to confirm my answer. Also‚ I looked select test results up on the internet to see if they matched my observations. On our first lab day‚ I received my bottle and noticed a white precipitate in the bottom therefore‚ my unknown was insoluble. I
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Conclusion: (Identity‚ % error‚ other evidence‚ how to improve) The identity of Unknown A is the compound cobalt(II) chloride hexahydrate (CoCl₂•6H₂O).This is justified by the similarities in color of red-purple crystal like grains‚ which is significant in identifying the product out of the eight suggested identities. Only two had similar characteristics which were CoCl₂•6H₂O and CoSO₄•6H₂O. Before unknown A was heated‚ there was a notable common physical property of the substance being red crystal
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Determine the concentration of an unknown copper (II) sulfate solution by using colorimeter Introduction: The concentration of the solution also alterations the proximity of the solution. For example‚ the more focused concentration will frame to be denser than more weakened concentration of copper (ii) sulfate. This implies there is a connection between the concentration of an solution and its absorbance. Along these lines‚ this test is set up to discover the kind of connection between the concentration
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Aims The aims of this investigation are: 1. To find the rate equation of the reaction of hydrogen peroxide and iodide ions. This will be achieved by using an iodine clock method and colorimetric analysis. 2. Draw a graph of rate against concentration for each reactant (Hydrogen peroxide‚ potassium iodide and H+ ions). 3. Finding the order for each reactant 4. Finding the rate-determining step. 5. Proposing a mechanism for the reaction. 6. Using Arrhenius’ equation to find the activation
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Chapter 2: Atomic Structure Quantum Numbers n: principal‚ energy‚ size of orbital‚ positive integers allowed l: angular momentum‚ orbital shape‚ integers from 0 to n-1 allowed ml: magnetic moment‚ orientation in space of orbital‚ integers from -l to +l allowed ms: spin‚ shows electrons in orbital‚ ± ½ allowed Orbitals p orbital l = 1 All have a specific orientation in space (x‚ y‚ z) Electron spends equal amount of time in both lobes‚ nucleus at node Shading
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Writing Lewis Dot Formula November 8‚ 2013 I. Learning Objectives At the end of the sessions‚ the students of III- 15‚ and III – 10 must be able to: 1. Students will be able to interpret and draw Lewis dot diagrams for individual atoms and both covalent and ionic compounds. II. Subject Matter A. Topic: Chemical Bonding B. References 1. Department of Education‚ Culture and Sports. (1991). Science and Technology III. Quezon City: Book Media Press‚ pp. 273. 2. Estrella‚ Mendoza E. Chemistry
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