agent. d. Cr(s) is the reducing agent and Cr3+(aq) is the oxidizing agent. e. Cr(s) is the reducing agent and Sn4+(aq) is the oxidizing agent. 2. The following reaction occurs spontaneously. 2 H+(aq) + Ca(s) Ca2+(aq) + H2(g) Write the balanced oxidation half-reaction. a. 2 H+(aq) + 2 e– H2(g) b. 2 H+(aq) H2(g) + 2 e– c. H2(g) 2 H+(aq) + 2 e– d. Ca(s) + 2 e– Ca2+(aq) e. Ca(s) Ca2+(aq) + 2 e– 3. Write a balanced half-reaction for the reduction of CrO42–(aq) to Cr(OH)3(s) in a basic solution
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BACK TITRATION- DETERMINATION OF THE CARBONATE CONTENT IN GARDEN LIME NAME: OSEI BONSU ERIC ID: 3906409 EXPERIMENT: I.2.2.1.
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concentrated form with a 70.3% HNO3 concentration by mass and a density of 1.41 g/mL. How much of the concentrated stock solution in milliliters should you use to make 2.5 L of 0.500 M HNO3? Mass %= Mass Solute/ Mass Solvent + Mass Solvent x 100 Determine whether or not each reaction is a redox reaction. For those reactions that are redox reactions‚ identify the substance being oxidized and the substance being reduced. (a) Zn(s) + CoCl2 (aq) → ZnCl2 (aq) + Co(s) Oxidation number is Zinc when it is
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subsequent oxidation in solution to adipic acid using an excess of strong nitric acid. This report deals with KA oil/cyclohexanol production by various routes‚ followed by the common step of nitric acid oxidation. KA oil production from cyclohexane by the cobalt catalyst and boric acid air oxidation routes is reviewed. Production of KA oil from phenol is also covered‚ as is the Asahi process for cyclohexanol production from benzene via cyclohexene. Appropriately adjusted nitric acid oxidation is appended
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the movement of electrons through the solution. Is the student correct? If not‚ what is the correct response? 2. (Brown 4.15) Specify what ions are present in solution upon dissolving each of the following in water: a. ZnCl2 c. (NH4)2SO4 b. HNO3 d. Ca(OH)2 3. (Brown 4.16 ) Specify what ions are present upon dissolving each of the following substances in water. a. MgI2 b. Al(NO3)3 c. HClO4 d. NaCH3COO 4. (Brown 4.19) Using solubility guidelines ‚ predict whether each of the
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racemization and absolute configuration. 4. Single bonded functional groups 4 Alkyl halides: Classification and characteristics. Reactions‚ SN1‚ SN2‚ E1‚ E2 and their mechanisms‚ Grignard reagents Alcohols and ether: Synthesis‚ dehydration and oxidation of alcohols. Ether cleavage. Amines: Nucleophilic substitution‚ basicity and reaction with nitrous acid. 5.
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Quiz #1 Attempt 1 Written: Jul 7‚ 2012 9:48 AM - Jul 7‚ 2012 9:50 AM Submission View Your quiz has been submitted successfully. Question 1 1 / 1 point At what time do you have to complete your online prelab assignment to be allowed to participate in the lab? Question options: A week before the lab Day before the lab at 10 pm The morning of lab day at 8 am One hour before the lab Question 2 1 / 1 point Which materials/chemicals belong in the desiccator? Question options: Drying
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electrolyte? E A. HCl B. NH3 C. C6H12O6 (glucose) D. N2 E. KCl Answer: B 4.5 Which of the following compounds is a nonelectrolyte? E A. NaF B. HNO3 C. CH3COOH (acetic acid) D. NaOH E. C6H12O6 (glucose) Answer: E 4.6 Which of the following compounds is a nonelectrolyte? E A. NaOH B. HNO3 C. CH3COOH (acetic acid) D. KF E. C2H6O (ethanol) Answer: E 4.7 Identify the major ionic species present in an aqueous solution of NaNO3. M
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acetate and acetylacetone‚ further analysis were done to find the percentage of manganese in complex. Introduction Manganese is a first row transition metal that has a range of oxidation states that appear in its compounds. The most common oxidation states for manganese are +2‚ +3‚ +4‚ +6 and +7‚ though oxidation states from -3 to +7 are observed. This experiment was involved the preparation of a Mn(III) complex of actylacetone which is a useful starting material for the preparation of other
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reagents. The basis of determining an unknown hydrocarbon is due to the differences in reactions of hydrocarbons. An unknown compound is determined using tests. The unknown gives a positive result in nitration test and gives no brown precipitate in oxidation test. The unknown is an aromatic and non-alkylated compound. _______________________________________________ Introduction: Hydrocarbons are organic compounds that composed of only hydrogen and carbon. There are two major types of hydrocarbons;
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