the distillation of crude oil contains hydrocarbons in the C15 to C19 range. These hydrocarbons can be cracked by strong heating. (i) Write the molecular formula for the alkane with 19 carbon atoms. (ii) Name the type of reaction involved in cracking. (iii) Write an equation for one possible cracking reaction of the alkane C16H34 when the products include ethene and propene in the molar ratio 2:1 and only one other compound. (4) (Total 6 marks) 2. A compound of carbon‚ hydrogen and nitrogen
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carbon atoms by forming covalent bonds. Alkanes Alkanes are hydrocarbons‚ which are molecules that contain only carbon and hydrogen. They are made up of carbon atoms linked together by only single covalent bonds and are known as saturated hydrocarbons. Many alkanes are obtained from crude oil by fractional distillation. The smallest alkanes are used extensively as fuels. Apart from burning‚ however‚ they are remarkably unreactive. Alkane Methane Ethane Propane Butane Pentane
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STERILIZATION OF WATER USING BLEACHING POWDER A CHEMISTRY INVESTIGATORY PROGECT ANSHUL KUMAR PANDEY XII B [THIS PROJECT LOOKS AT THE TECHNIQUE CALLED STERILIZATION OF WATER USING BLEACHING POWDER WHICH IS USED TO PURIFY WATER AND MAKES IT FIT FOR DRINKING.] Downloaded from www.icbse.com INDEX 1. Certificate of Authenticity 2. Acknowledgement 3. Introduction -Need of Water -Purification of Water -Need for a stable purification technique 4. Theory -History of Water purification -Bleaching
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IGCSE PRE-AICE CHEMISTRY 0620 OFFICIAL STUDY GUIDE Notes: To avoid any confusion concerning the symbol for litre‚ dm3 will be used in place of l or litre.Valence electrons are known as valency electrons for this test. Nature of Matter The states of matter are solid‚ liquid‚ and gas‚ in respective order of kinetic energy. State of Matter | Definite Volume | Definite Shape | Solid | Yes | Yes | Liquid | Yes | No | Gas | No | No | Diffusion:
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FOUNDATION CHEMISTRY II CHM096 CHAPTER 1 ORGANIC CHEMISTRY PART I PREPARED BY SYED ABDUL ILLAH ALYAHYA BIN SYED ABD KADIR 1 TOPICS PART I 1.1 1.2 1.3 1.4 1.5 Introduction to Hydrocarbon and Functional Groups Alkanes and Cycloalkanes Isomerism and Overview of Organic Reaction Alkenes and Alkynes Alkyl Halides 2 TOPIC INTRODUCTION TO HYDROCARBON AND FUNCTIONAL GROUPS 3 1.1 Introduction to Hydrocarbon and Functional Groups What is Organic Chemistry?
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economic‚ social‚ and health aspects. Alkane is a saturated hydrocarbon compound‚ which is‚ consists of C-C and C-H single bonds. Alkanes are highly combustible and it is a valuable fuel‚ and during combustion reaction‚ alkane can release a very large amount of heat and the product yield from this reaction is H2O (water)‚ and CO2 (carbon dioxide) or CO (carbon monoxide)‚ in which depends on whether the reaction is complete or incomplete. The first 4 alkanes‚ Methane‚ ethane‚ propane‚ and butane‚
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consist of alkanes (paraffins)‚ alkenes (double bonds) and alkynes (triple bonds). Aromatic hydrocarbons contain the benzene ring. 153 C C C alkane alkene C C C alkyne benzene Hydrocarbons can be further divided into saturated hydrocarbons that have only single carbon-carbon bonds (alkanes)‚ and unsaturated hydrocarbons that have multiple carbon-carbon bonds (alkenes‚ alkynes‚ aromatics). Most of the aliphatic compounds are named based on the first ten alkanes (Table
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electrons Alkanes all have different boiling points dependent on the length of the carbon chain in the molecule. The smaller chains ie. the most volatile hydrocarbons will leave at the top of the column as gases because they have the lowest boiling points. Within each fraction there is also a mixture of hydrocarbons‚ the chain length isn’t the same. This is due to branched chains having different boiling points to straight chains Suggest how cracking can be used to obtain more useful alkanes and alkenes
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Chemistry Investigatory Project To determine minimum amount of Bleaching Powder Required to disinfect different samples of Water. INDEX I. Introduction o Purification of Water o History of Water Purification o Bleaching Powder II. Experiment o Aim o Requirements o Theory o Procedure o Observations o Result o Precautions Introduction 98% of the Earth’s water is present in the oceans with an average salinity of 3.5%. The remainder of the
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Water Treatment Water Demand • Various types of water demands for a city – Domestic water demands – Commercial & industrial demand – Fire demand – Demand for public uses – Compensate losses demand Water Demand • Domestic water demand – It depends on the habits‚ social status‚ climatic conditions and customs of the people. – The domestic consumption of water under normal conditions is considered to be about 135 LPCD (IS 1172-1971) – The details of domestic consumption per person
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