2H2O(l) 7. Which is exothermic bond making or bond breaking? Bond making exo 8. Give an example of an i. Alkane Butane C4H10 ii. Alkene Ethene C2H4 iii. Cycloalkane Cyclohexane C6H12 iv. Alcohol Ethanol C2H5OH v. Ether Methoxy methane CH3OCH3 9. What does an aromatic compound contain? Note all other compounds are aliphatic A benzene ring 10. Give examples of all 3 types of structural isomerism i. Chain
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Make your own biodiesel Biodiesel Converting vegetable oil to biodiesel is probably the best all-round solution (or we think so anyway). Where do I start? Start with the process‚ NOT with the processor. The processor comes later. Start with fresh unused oil‚ NOT with waste vegetable oil (WVO)‚ that also comes later. Start by making a small‚ 1-litre test batch of biodiesel using fresh new oil. You can use a spare blender‚ or‚ better‚ make a simple Test-batch mini-processor. Keep going
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5-tetraphenylcyclopentadienone: A solution of 4 capsules potassium hydroxide (0.5g) and 5mL anhydrous ethanol was prepared and warmed in a 25mL beaker. Benzil (2.1542g) ‚ dibenzyl ketone (1.9599g) ‚ 15mL anhydrous methanol‚ and a boiling stone was placed into a 50mL round-bottomed flask and fit with a reflux condenser and then gently heated. The temperature was raise nearly to the boiling point‚ and the solution of potassium hydroxide and anhydrous ethanol was added in two portions through the top of the condenser. The mixture
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proteins is typically achieved by digestion with proteinase K‚ followed by salting-out‚ organic extraction‚ or binding of the DNA to a solid phase support (either anion-exchange or silica technology). DNA is usually recovered by precipitation using ethanol or isopropanol. The choice of a method depends on many factors.The required quantity and molecular weight of the DNA‚ the purity required for downstream applications‚ and the time and expense.The separation of DNA from cellular components can be divided
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propan-1-ol :- (ii) Ethanol to but-1-yne (iii) 1-Bromopropane to 2-bromopropane :- (iv) Toluene to benzyl alcohol :- ©TutorBreeze.com Please do not copy the answer given here Write to us for help in understanding the solution NCERT/CBSE CHEMISTRY CLASS 12 textbook http://www.TutorBreeze.com Contact for Online Tutoring in Physics‚ Math‚ Chemistry‚ English (v) Benzene to 4-bromonitrobenzene :- (vi) Benzyl alcohol to 2-phenylethanoic acid :- (vii) Ethanol to propanenitrile :-
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subsequently captured and cooled‚ and the condensed vapors are collected. Among the many types of distillations‚ the fractional method or technique of distillation was used in this experiment. A step by step procedure was followed and an amount of 3.33 % of ethanol was obtained from the sample wine‚ Mateus Rose‚ which was used. Further discussion on the results obtained‚ as well as related terms‚ shall be discussed in detail in the following pages. Introduction With these in mind‚ the objectives of this
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Assemble and label six clean‚ dry test tubes. To each add a different alkyl halide (0.1 mL). (Again‚ to follow the rates‚ it may be easier to react only four test tubes at a time.) To each test tube add 1 mL of a 0.1 M solution of AgNO3 in ethanol and mix thoroughly. (Avoid skin contact! Silver salts + skin -> long-lived brown stain). For each tube‚ note how long after the
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From the experimental data and through its analysis‚ the enthalpy of combustion for the five alcohols were determined; methanol‚ ethanol‚ propanol‚ butanol‚ and pentanol. As the line of best fit in the graph suggests‚ the enthalpy of combustion increased as the sizes of the molecules increased. This was predicted in the hypothesis and proves it to be correct. As seen on the graph‚ the enthalpy of combustion increases from 140kJ/mol for methanol‚ which has the smallest molecular mass‚ to 530kJ/mol
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A mixture of chloro compound III ( 0.01 mol) and ammonium acetate (2.3 g‚ 0.3 mol) in pyridine was refluxed for 20 h. The reaction mixture was cooled and then poured onto crushed ice. The obtained solid was filtered off and recrystallized from ethanol. m.p. 270oC ‚ 75% yield. Analysis calculated for C14H8Br2ClN3; Calcd.: %C‚ C‚ 40.67; H‚ 1.95; N‚ 10.16‚ Found: % C 40.70; H‚ 1.99; N‚10.10. IR: υmax./cm-1 3250‚ 3140 (NH2)‚ 3010 (C-H aromatic)‚ 1620 (C=N) and at 1600 (C=C). 1H-NMR (DMSO-d6‚ ppm):
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Archer‟s Peach Schnapps * 6. Macro Economic Environment • Legal • Social • Economic * 7. Legal Environment • Ban on direct advertising • Excise regulations and Licenses • „Regulated‟ industry - movement‚ prices of intermediate goods (molasses‚ ethanol) tightly controlled - state governments exert considerable influence. • Subject to licensing under Industrial (Development and Regulation) Act‚ 1956 • Cap on licensed capacity; special license for expansion • Plethora of duties and taxes from bottling
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