LU 1 - Tutorial 1. Write the formulas for the following compounds: Compound Copper (II) chloride Iron(II) sulphate Sodium sulphate Ammonium nitrate Sodium nitrite Potassium sulphate Magnesium phosphate Formula Compound Lithium acetate Manganese (IV) nitrate Potassium permanganate Iron (III) oxide Potassium sulphite Potassium hydrogen carbonate Sodium iodate Formula 2. Express the following numbers in scientific notation: a) 0.000000027 b) 356 c) 47 764 d) 0.096 3. Express the following numbers
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identify Two-Word Adjectives. Stress compound adjectives. Write a descriptive paragraph. You must aim to: 1. identify two-word adjectives called compound adjectives 2. correctly stress compound adjectives 3. keep in mind that the first element in the compound is stressed. 4. develop the topic using coherent and organized sentences YOUR INITIAL TASK Task I. Identify Compound Adjectives On a sheet of paper‚ copy the following sentences and underline the compound adjectives. 1. I’ve seen the 20-storey
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Mr. Brown all your tests look ok. Your triglycerides are at 145‚ cholesterol 210‚ hdl 33‚ and ldl 160. Triglycerides are chemical compounds digested by the body to provide it with the energy for metabolism. Triglycerides are the most common form of fat in the body. They are the main ingredient in vegetable oils and animal fats. Cholesterol is a soft‚ waxy substance found in all of your body’s cells. Your body needs cholesterol in order to work properly. This is because your body uses it to hold
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Argumentative Essay The function of an argumentative essay is to show that your assertion (opinion‚ theory‚ hypothesis) about some phenomenon or phenomena is correct or more truthful than others’. The art of argumentation is not an easy skill to acquire. Many people might think that if one simply has an opinion‚ one can argue it successfully‚ and these folks are always surprised when others don’t agree with them because their logic seems so correct. Argumentative writing is the act of forming reasons
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The following three pieces were all found in the book A World of Art by Henry M. Sayre. The three sculptures‚ Puppy‚ Cloud Gate‚ and Great Serpent Mound‚ where all selected because of their relevance to nature. Both Puppy and The Great Serpent Mound are almost literally made of natural material‚ particularly vegetation. On the other hand‚ Cloud Gate is made of stainless steal‚ but yet the steal reflects it’s surrounding. Particularly Could Gate reflects the sky above it‚ and thus incorporates nature
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dsfgsfdhdhfg 9. What does a strong odour indicate about the ease with which the particles in a solid leave its surface? A strong odour in one of any of these soilds would simply mean that the molecules leave the surface easily. 10. From your answer to question 1‚ which of the two types of solids seem to have the stronger forces of attraction? Explain your answer. Camphor has a very strong odor which makes it easy for the particles in the soild leave it’s surface. The particle attraction
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Sugar (Sucrose)- C12H22O11 Vitamin C (Ascorbic Acid)- C6H8O6 Aspirin (Acetylsalicylic Acid)- C9H8O4 Common Name | Chemical Name | acetone | dimethyl ketone; 2-propanone (usually known as acetone) | acid potassium sulfate | potassium bisulfate - used in the conversion of tartrates to bitartrates in wine. | acid of sugar | oxalic acid – used in cleaning or bleaching‚ especially for the removal of rust (iron complexing agent) | ackey | nitric acid | alcali volatil | ammonium
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COMPARATIVE INVESTIGATION OF ORGANIC COMPOUNDS Abstract Organic compunds were examined to a comparative investigation to differentiate the properties of each sample. The physical state at room temperature‚ odor and color of the sample were noted by simple observation. In terms of solubility in H2O‚ 5% NaOH solution and 5% HCl solution‚ the samples were classified as to miscible‚ slightly immiscible or immiscible for liquid; and very soluble‚ soluble‚ partially soluble or insolubse for solid. The
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(5). a) What are sheet-molding compounds (SMC)? Bulk-molding compounds (BMC)? Sheet-molding compound (SMC) is a fiber glass reinforced thermosetting compound in sheet form‚ usually rolled into coils interleaved with plastic film to prevent auto adhesion. Made by dispensing mixed resin‚ fillers‚ maturation agent‚ catalyst and mold release agent onto two moving sheets of polyethylene film. The lower one also contains chopped glass roving or glass mat. SMC can be molded into complex shapes
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The Separation and Purification of Organic Compounds Sunshine Marie Introduction Each year‚ many thousands of new or unknown organic compounds are prepared or extracted from natural sources such as plants‚ fungi and animals. In order to identify an unknown organic compound or the components of a mixture of organic compounds‚ it is necessary firstly to separate and purify the compounds. At any given temperature‚ a certain number of molecules of a substance in the liquid state have sufficient
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