“thank spaghetti”. The pizza delivery man politely asked‚ “did somebody order a -” CRASH! “A medium size Domino’s pizza”‚ finished the Giant Fire-Breathing Medium Size Domino’s Pizza. Jimmy John was in a state of panic‚ frantically crying‚ “oh no‚ oh no‚ oh no‚ oh
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First of all‚ rinse all the apparatus that being used in the experiment with hydrochloric acid (HCL) then followed with distilled water (H₂O). Then‚ prepared the saturated calcium hydroxide (Ca (OH) ₂) solution into a filter funnel and filter paper over a second conical flask. Pour 100.00mL of saturated Ca (OH)₂ solution into a beaker and pour the solution through the filter paper by flowing the solution through a glass rod. After that‚ use a thermometer to measure the temperature of the solution obtained
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NaOH + CH3COOH NaCH3COO + H2O CH3COO-+ H2O CH3COOH + OH- b. NaOH + HCl NaCl + H2O c. NH3 + HCl H20 + NaCl d. (NH3)2 + HSO4 (NH4)2SO4 e.Al(H20)5(OH) + HCl3 AlCl3 + 6H20 Al(H2O)6 + H20 Al(H2O)5(OH) + H3O f. CaOH + HNO3 Ca(NO3)2 + H2O 2. NH4+ + H2O double arrow NH3 + H2O Ka = … SO4 + H2O double arrow HSO4 + OH Kb = calculate 8.3 x 10^-13 Ka> Kb acidic solution 3. USE TABLE 2 K2HPO4 HPO4 + H2O double arrow H2PO4 + OH HPO4 + H2O PO4 + H3O 4. Take equations from #3‚
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The Bridgeton case introduced a relatively simple costing system: DM‚ DL‚ and one pool of indirect‚ support‚ or overhead costs. The one and only "cost pool" containing all overhead (OH) costs was allocated on the basis of DL$. In this case‚ the direct costs seem to be largely variable (i.e.‚ they vary proportionally with production volume)‚ whereas some of the indirect costs are relatively variable and others are largely fixed. Case in point: Not all INDIRECT costs are necessarily FIXED. To figure
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(NaOH) solution is used to dissolve the aluminium-bearing minerals in the bauxite (gibbsite‚ böhmite and diaspore) to form a sodium aluminate supersaturated solution or “pregnant liquor”. Gibbsite: Al (OH)3 + Na+ + OH- → Al (OH)4- + Na+ Böhmite and Diaspore: AlO(OH) + Na+ + OH- + H2O → Al(OH)4- + Na+ Conditions within the digester (caustic concentration‚ temperature and pressure) are set according to the properties of the bauxite ore. Ores with a high gibbsite content can be processed at 140°C
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The reaction order‚ based on the rate law‚ was first order with respect to crystal violet and second order with respect to OH-. The rate law was as follows: Rate law = k [CV]1[OH-]1 where k equaled 2.61. In order to determine the reaction order with respect to crystal violet‚ the graph that described the relationship between ln[CV] and time (seconds) was Figure 2. Not only did Figure 2 generate a more linear relationship‚ but it had the highest R2 value of 0.992 than ([CV] versus time) and ([1/CV]
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www.kalvisolai.com 5 Mark Compulsory Problems with Solution 1 +2 CHEMISTRY Q. 70 Compulsory Problems with Solution Problems are solved in easiest way (As per Government Answer Key) www.kalvisolai.com 5 Mark Compulsory Problems with Solution 2 SALIENT FEATURES Dear Students ❆ Q.No: 70 is asked as compulsory problem in Govt Exam. ❆ Two problems to be answered out of four problems. ❆ To simplify the problem‚ hints and expected compounds related to molecular formula‚ general formula are
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INTRODUCTION: The purpose of this experiment is to measure the formation constant of the tetraamminecopper(II) ion by colorimetry. Anhydrous copper sulfate (CuSO4) is white‚ which means that it does not absorb light in the visible region of the spectrum. The hydrated copper sulfate (CuSO4 - 5H2O) is blue. The structure of the compound can be represented more accurately as Cu(H2O)4 SO4 - H2O where four water molecules are bound to the copper ion and the fifth is a water of crystallization. The
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(cm) Dependent Variable: * The diffusion rate of sodium hydroxide (cm/min) Controlled: * The concentration of sodium hydroxide (0.4%)‚ same Na OH used throughout. * Temperature (°C)‚ experiment takes place in the same classroom * Time immersed in Na OH (8 min)‚ using the timer * Number of agar cubes in each beaker‚ excess of Na OH will be used * Concentration of agar cubes (%)‚ same agar cubes used throughout the experiment Uncontrollable: * Volume of sodium hydroxide in
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Preparation of Potash Alum A PROJECT REPORT SUBMITTED TO CHEMISTRY DEPARTMENT DIST: AMRELI GUJARAT BY:-ANURAG AGARWAL ROLL NO: XII SCI. 2009-2010 PRINCIPAL INTERNALEXAMINER EXTERNAL EXAMINER CERTIFICATE Certificate This is to certify that this project work is submitted by ANURAG AGARWAL to the Chemistry department‚ Aditya Birla Public School‚ Kovaya was carried out by him under the guidance & supervision during academic year 2008-2009
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