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Chemistry
Date Posted: 15/04/2021
Category: Chemistry
Due Date: 16/04/2021
Instruction
A) Balance the following reactions (10marks): - LiCl + Ag2SO4 -> Li2SO4 + AgCl - Au2O3 + HNO3 -> Au(NO3)3 + H2O - Mg(OH)2 + Na2CO3 -> MgCO3 + NaOH - C3H8 + O2 -> CO2 + H2O - Fe2O3 + HNO3 -> Fe(NO3)3 + H2O Na2SO4 + C  Na2S + CO HCl + O2  H2O + Cl2 PCl5 + H2O  H3PO4 + HCl PbO + NH3  Pb + N2 + H2O Mg3N2 + H2O  Mg(OH)2 + NH3 C) Complete and Balance the following reaction equations (10marks): a- Na2CO3 + H2SO4  Sodium sulphate and Carbon Dioxide + Water b- HCl + PbO2  Lead Chloride and water c- PCl5 + SnO2  Tin(IV) Chloride and Phosphorus Pentoxide d- Silver Nitrate + CaBr2  Silver Bromide and Calcium Nitrate e- CdSO4 + H3PO4  Cadmium Phosphate and sulfuric acid D) Using the first two balanced reactions from exercise C) calculate the following (8 marks)(show your work): a- Given 123 g of Sodium carbonate, determine how much Carbon dioxide is formed b- Given 153g of PbO2, how much water is formed E) Write and balance the equations (10marks): I) Beryllium + sulfuric acid -> beryllium sulfate + Hydrogen II) Potassium hydroxide and hydrochloric acid -> potassium chloride + Water III) Ethane (C2H6) + Oxygen -> Carbon Dioxide + Water IV) Lithium carbonate + Barium Hydroxide -> Lithium Hydroxide + Barium carbonate V) Nitric Acid and tin -> tin (IV) nitrate + hydrogen VI) Lead (IV) carbonate + copper (II) iodide  Lead (IV) iodide + copper (II) carbonate VII) Chromium (III) oxide + zinc  zinc oxide + chromium VIII) Ammonia + hypochlorous acid  nitrogen trichloride + water IX) Bismuth sulfide + hydrochloric acid  bismuth chloride + hydrogen sulfide X) Magnesium hydroxide + ammonia  magnesium nitride + water Bonus(4 marks): An emerald (green precious stone) has the formula Be3Al2Si16O18 calculate (6 marks): 1- The percent composition for each element in the emerald 2- If one carat is equivalent to 200 milligrams, how many carats would there be in a 0.21moles of emerald?
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Top_Essay_Tutors 4 years, 12 months ago
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  • Hello friend
    benmasila | Apr 15, 2021, 20:20 PM
  • hey
    User_35723 | Apr 15, 2021, 21:01 PM
  • do you have word document for this assignment, to make simple?
    benmasila | Apr 15, 2021, 21:03 PM
  • uploaded
    User_35723 | Apr 15, 2021, 23:12 PM
  • i have received the file let me work on it right away friend
    benmasila | Apr 15, 2021, 23:14 PM
  • Hello friend, the file you uploaded is not opening in propose to that you take a photo and upload friend so that I will be able to distinguish each reaction
    benmasila | Apr 16, 2021, 05:12 AM
  • Uploaded
    User_35723 | Apr 16, 2021, 13:22 PM
  • Received, thank you!
    benmasila | Apr 16, 2021, 13:44 PM
  • Hello friend I have uploaded to the assignment kindly check confirm and release the payment
    benmasila | Apr 16, 2021, 13:58 PM
  • thanks but you didnt answer a.c or
    User_35723 | Apr 16, 2021, 15:12 PM
  • it should be a b but prof has it listed as a c
    User_35723 | Apr 16, 2021, 15:14 PM
  • Okay friend, sorry for the inconveniences. I'm correcting it ASAP
    benmasila | Apr 16, 2021, 16:21 PM
  • I have rectified friend
    benmasila | Apr 16, 2021, 17:01 PM
  • Have charged the naming of the a.b to be a.c as listed friend, everything is now Good.
    benmasila | Apr 16, 2021, 17:03 PM
  • Kindly confirm friend
    benmasila | Apr 16, 2021, 17:42 PM
  • Hello friend kindly confirm and release the payment
    benmasila | Apr 17, 2021, 04:41 AM
  • hello friend, are you there?
    benmasila | Apr 17, 2021, 19:11 PM
  • youre missing Mg3N2+H2O> Mg(OH)2+nh3
    User_35723 | Apr 17, 2021, 22:45 PM
  • A short while friend I fix it
    benmasila | Apr 17, 2021, 22:48 PM
  • I fixed and uploaded the part friend. Kindly confirm and release the payment. I will also appreciate an eleven star rating as well as a good feedback. Thank you!
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    User_5474 | Apr 15, 2021, 19:41 PM
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