163 CHAPTER 13 HYDROCARBON Hydrocarbons are composed of Carbon and hydrogen. The important fuels like Petrol‚ kerosene‚ coal gas‚ CNG‚ LPG etc. are all hydrocarbons or their mixture. Sources: Petroleum and natural gas are the major sources of aliphatic hydrocarbon while coal is an important source of aromatic hydrocarbons. The oil trapped inside the rocks is known as petroleum. PETRA – ROCK‚ OLEUM – OIL. The oil in the petroleum field is covered with a gaseous mixture known as natural
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16H+ + 5C2O42- ⎯→ 10CO2 + 8H2O + 2Mn2+ Notes: 1. Mn2+ is colourless 2. In the reaction‚ the purple colour of the solution turns into colourless. MnO4-: Manganate(VII) ion (Purple) Mn2+: Manganese(II) ion colourless Decomposition of Hydrogen Peroxide 2H2O2 - ⎯→ 2H2O + O2 Catalyst: manganese(IV) oxide(MnO2)‚ Iron(III) oxide (Fe2O3)‚ silver (Ag) Haber Process (Manufacture Ammonia) N2 + 3H2 ⎯→ 2NH3 (More detail in Form 4 Chapter 9) Contact Process(Manufacture Sulphuric Acid) 2SO2
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It’s A Gas! Name____________________________ Pd. _______ Purpose: The purpose of this lab is to look at some properties of three common compounds‚ CO2‚ H2‚ O2. Materials: Zinc Hydrochloric acid Hydrogen peroxide Manganese dioxide Calcium Carbonate (marble chips) Safety:The Hydrochloric acid used in this experiment could cause blindness upon contact with the eyes. Wear your goggles and handle it with care. Procedure: I. Place approximately
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ical Chemistry 1.which of the following pairs of compound will react? iC3H6+Br2 iiC3H6+Cl2 in sunlight iiiC3H6+H2O in the presence of sulphuric acid ivC3H6+H2O in the presence of concentrated sulphuric acid a.i b.i‚iii c.i‚ii‚iii d.all 2.liqiud y reacts with magnesium metal to produce a gas that burns with a pop sound when a flaming wooden splint is placed near it.liqiud y is most likely a compound that has the formula a.c2h5oh b.hcooh c.h3cooch3 d.c6h14 3.a compound p has the
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Metals | Reaction with oxygen | Reaction with water | Reaction with steam | Reaction with dilute acid | Reduction of oxides by carbon / carbon monoxide | Reduction of oxides by hydrogen | K | Forms oxides and peroxides | Violent‚ metal darts on surface of water‚ hissing sound‚ sparks formed; Metal hydroxide and hydrogen gas formed. | Very Violent reaction | Very Violent | No reaction (Metals are very reactive and form very stable oxides; A lot of energy is required to overcome the strong electrostatic
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set up my data table. I combined the zinc and HCl‚ then captured the Hydrogen that was produced and observed the combustion reaction with a flame. I then captured more hydrogen to use later in the experiment. I combined manganese with hydrogen peroxide which bubbled much the same as the zinc and HCl to produce oxygen. I observed the reaction of the oxygen with a burning ember. I then captured more oxygen in the bulb with the hydrogen‚ and observed itʼs reaction of extinguishing the flame. I then produced
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H-- C -- C -- C --- O -- C -- C -- H ethyl propanoate H H H H 6. The formula of ethanoic acid (C2 H4 O2) shows four hydrogen atoms‚ but it is a monobasic acid. This means that it: A monobasic acid is an acid that has only one hydrogen ion to donate to a base in an acid-base reaction. 7. Soil – less culture is known as: hydroponics 8. The use of living organisms to control pests is called: biological control 9. Silicates
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that way if you believe in the power of change. Hydrogen fuel is that change for the automobiles of the future. Hydrogen has been used for decades‚ but mostly for commercial use. Each year‚ we get closer to removing the oil company’s choke hold on our wallets. It’s time to drive with a lighter purse and a cleaner environment and it’s time for hydrogen fuel. The two largest points of debate with hydrogen fuel are cost and production Hydrogen fuel is a cheaper alternative to our current source
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chemical change. The second reaction occurred as a result of solid magnesium reacting with hydrochloric acid. The reaction produced heat and bubbles‚ both indications of a chemical change. A wood splint was used to determine that the gas produced was hydrogen gas‚ hence the other product is magnesium dichloride. In the third reaction‚ ammonium carbonate was heated to decompose into two gases‚ due to the absence of anything solid or liquid following the reaction. A wood splint was used to determine that
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Université Saint-Joseph Année universitaire 2013 – 2014 First semester of master in « Bio marketing » Course “Dental products” Subject Marketing plan for tooth whitening products Presented by ABOU-RACHED Marise IBRAHIM Roy Outline I-Introduction II-Marketing plan 1-Executive summary 2-Marketing environment Situation analysis Market Summary Market needs Objectives 3-SWOT Analysis Strengths Weaknesses Opportunities Threats
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