the more favored ways is the Diels-Alder reaction. To begin‚ the first step of the experiment was to crack down dicyclopentadiene into the form of cyclopentadiene‚ which was done using the process of fractional distillation. Five milliliters of dicyclopentadiene was utilized in the distillation at the temperature of 40˚C for approximately 20 minutes. Next 0.20g of maleic anhydride was dissolve in 2mL of ethyl acetate. Then it was
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easily and has high calorific value. It is used to make other fuels like coal gas‚ synthetic petrol‚ methane and coke Coal is used in the manufacture of industrially useful compounds like benzene‚ phenol‚ naphthalene‚ etc. Ø Destructive Distillation of Coal: On strong heating coal in a closed tube it breaks down into different components such as coal gas‚ coal tar‚
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For instance‚ their primary use is to fuel vehicles that contain combustion engines of both consumer and industrial use‚ due to their efficiency. Furthermore‚ gasoline and diesel are both the products of the fractional distillation of crude oil. According to Study.com‚ fractional distillation is when a “chemical mixture” is heated and separated into “various components [of] the mixture” . Therefore‚ a barrel of crude oil can provide both gasoline and diesel at the same time. To add on‚ gasoline and
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AS LEVEL CHEMISTRY ASSESSED HOMEWORK Answer all questions Max 86 marks Name …………………………………………………………….. Mark ……../86 ……....% Grade ……… 1. The graph below shows the boiling points of some alkanes. (a) Draw a smooth curve through the points on the graph and estimate the boiling points of octane C8H18‚ ……………… hexadecane‚ C16H34 .……………… [2] (b) State how decane‚ C10H22‚ can be separated from a mixture of the alkanes. .......................................
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The oil refining process begins with treating the fractions into mixtures by various methods such as reforming‚ cracking‚ alkylation‚ isomerisation and polymerisation. These new substances are then separated using fractional distillation or solvent extraction. Fractional distillation of petroleum is the process of separating the oil into different materials. Separation by
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occurring liquid found inside certain rocks trapped beneath the Earth’s crust. It is dark and sticky‚ classified as a hydrocarbon‚ or rather mixture of hydrocarbons. We separate them in order to make something useful during a process called fractional distillation. Since it is highly flammable and can be burned to make energy‚ it is used as a major fuel source on our planet. This oil is a fossil fuel‚ what means that there is a limited supply of it in the Earth’s crust and since it takes so long for
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Lab Title Preparation of cyclohexene from cyclohexanol Aim Preparation of an Alkene by dehydration of an alcohol in the presence of a catalyst. Calculate the percentage recovery of products. Test for purity and identification of products. Abstract Cyclohexene and cyclohexanol are both colourless aromatic compounds. The major difference between the two is the presence of the hydroxyl group present in cyclohexanol. This hydroxyl group can be removed by a process known as dehydration which results
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Chemical Earth 1. The living and non-living components of the Earth contain mixtures Construct word and balanced formulae equations of chemical reactions as they are encountered 1. Build a word equation Reactants on left‚ Products on right 2. Convert word equation into chemical formula for the reactants and products Using valency rules 3. Balance the equation Adjust coefficients to get equal numbers of each kind of atom on each side 4. Specify the physical state for each species present
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Inert Gases Inert Gases and Characteristics • The inert gases are obtained by fractional distillation of air. • They are often used aboard chemical tankers and product carriers (smaller vessels). • Helium‚ Neon‚ Argon‚ Krypton‚ Xenon‚ Radon and are inert gases. • Duplet (Helium) or Octet • Full valence shell • • • • Weak interatomic force Very low melting and boiling points. Monatomic gases under standard conditions Helium has several unique qualities when compared with
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THE CHEMICAL EARTH: 1. The living and nonliving components of the Earth contain mixtures ● Construct word and balanced formulae equations of chemical reactions as they are encountered Reactants → products Chemical reaction: the way atoms are joined changes‚ atoms are not created nor destroyed‚ but are rearranged Indicators: emission of light or heat‚ odour formation of a gas formation of a precipitate colour change change in state aqueous = dissolved in water‚ an aqueous solution
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