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Q: 4. Give the product of the reaction below. CH,CH, NASCH, Upload Choose a File
A: Applying concept of SN2 reaction.
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Q: H* OH
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Q: 4. Give the product of the reaction below. OCH2CH3 Upload Choose a File
A: This is SN2 reaction and in this reaction inversion product is formed.
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Q: excess HBr Br Br
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Q: 3. Show a plausible mechanism for the reaction below. , CH NH2 EIOH, cat. HCI H,C- -CH, CH "NH2
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A: Given reaction: We have to write the mechanism of the reaction.
Draw the product of the reaction below, including step by step reaction mechanism with curly arrows and by-products.
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- 1.1The Ksp of Ca3 (PO4 ) 2 is 1.3 × 10−26 . Estimate the solubility of this salt in units of g. L −1 . You must show any reaction equation(s) that you may think are necessary. 1.2 If a sample of solid Ca3(PO4)2 is stirred into exactly one litre of a 0.550M solution of Na3PO4, how will the solubility of the salt compare with the answer that you have obtained in question 1.1? Explain you answer in a short sentence.The Ksp of Fe(OH)3(s) is 3x10-39. What concentration of Fe3+ can exist in solution at pH 3.0?Pseudogoutis caused by the formation of calcium diphosphate (Ca2P2O7) crystals in tendons, cartilage and ligaments, usually occurring if diphosphate levels in blood plasma 7 become very If the [Ca2+] in blood plasma is 9.2 mg/dL and Ksp for Ca2P2O7 is 8.64 x 10-13, what is the minimum concentration of diphosphate P2O 4- necessary for precipitation?
- 634 mK/s = _______ K/sInitial concentrations For mixture #1 (see p.15 for preparation), show the worked out calculations for the initial concentrations of .... The first questionConsider the reaction CaCl2 (s) = Ca2+ (g) + 2Cl- (aq) (Ksp = 5.5 x 10-6) 1. What is the solubility (in mg/L) of calcium chloride at 298K? 2. What is the equilibrium concentration of chloride ions in a saturated solution of calcium chloride? 3. What is the pH of this solution?
- Estimate the fraction, f, of F6P in a solution in which G6P and F6P are in equilibrium at 25 °C given that ΔrGΘ = +1.7 kJ mo l-1 at that temperature, which implies that K=0.50.You are supplied with the following: / Jy word voorsien van die volgende: NaCl(Mr= 58,443 g /mol) 2.5MTris-Cl, pH 8 solution /oplossing (1 Litre) EDTA,natriumsout(Mr= 380,2g/mol) 10% sodium dodecyl sulphate solution / natriumdodecyl sulfaat oplossing Proteïnase K solution / oplossing (50 mg dissolved / opgelos in 1 ml ddH2O) You need a digestion buffer consisting of the following: / Jy moet 'n verteringsbuffer op maak wat uit die volgende bestaan: 15m M NaCl 75 mM Tris-Cl,pH 8 16 mM EDTA,pH 8 0.8% sodium sulphate / natrium dodecyl sulfaat 0,75 mg/ml proteïnase K How will you prepare 500 ml of the digestion buffer? Show all your steps and calculations. Remember to explain exactly how you will make it up.Hexanoic acid was added to an immiscible biphasic solvent sysem, water and CCl4 at 20.0OC and the equilibrium concentrations of hexanoic acid were determined to be 3.66 g/L in H2O and 67.0 g/L in CCl4. Caluclate the distrubution coeffiecent (D1) of hexanoic acid in CCl4 with respect to water.
- You are asked to make the compound [Ni(en)3]SO4. - By using 2.611 grams of NiSO4*6H2O (s) you dissolve the sample in deionized water completely. - You then add 10ml of 25% en into the solution and mix until a single product forms - When the addition of the en is complete, you then add 15ml of ethanol and mix. - using a bench vaccine and Buchner funnel, you filter the precipitate while carefully breaking up the solid until powder form. - the product is the washed with 15ml of ethanol and 15ml of acetone. Powder the solid and leave to dry Which is the limiting reagent? Write a balanced chemical equation for the reaction. How many miles of the product can you theoretically prepare?1) Commercial fuming Sulphuric acid (Oleum-H2S2O6) is 99.9% solution. Please convert it into molarity.2) Find out the Volume (dm3) of product (gas) at RTP when 0.58 M, 150 mL NaOH (aq.) reacts with 350 mL, 0.25 NH4Cl.Some sulfuric acid is spilled on a lab bench. You can neutralizethe acid by sprinkling sodium bicarbonate on it and thenmopping up the resulting solution. The sodium bicarbonatereacts with sulfuric acid according to:2 NaHCO3(s) + H2SO4(aq)----->Na2SO4(aq) + 2 H2O(l)+ 2 CO2(g)Sodium bicarbonate is added until the fizzing due to the formationof CO2(g) stops. If 27 mL of 6.0 M H2SO4 was spilled,what is the minimum mass of NaHCO3 that must be addedto the spill to neutralize the acid?
