GROUP MEMBERS: VIMAL SIEWNARINE - #52844 JASON MATHURA - #60927 FIDEL MENDOZA- #56834 BRAD NANDO- # VIMAL BALAY - #52555 CRISTINA LUTCHMAN -#52516 LAB #1‚ #2‚ #3‚ #4 CHEM 2006 -ANALYTICAL INSTRUMENTATION LECTURER – MRS. TRICIA JONES LAB 1 TITLE: Organic Compound Identification Using Infrared Spectroscopy Aim: To identify the functional groups in organic compounds using infrared spectra. APPARATUS AND REAGENTS: Nicolet 380FTIR
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Abstract Carbohydrates are the most abundant organic compounds in the plant world. They act as storehouses of chemical energy (glucose‚ starch‚ glycogen); are components of supportive structures in plants (cellulose)‚crustacean shells (chitin)‚ and connective tissues in animals (glucosaminoglycans); and are essential components of nucleic acids (D-ribose and 2-deoxy-D-ribose). Monosaccharides‚ oligosaccharides‚ and polysaccharides are theclassifications of carbohydrates. This experiment involves
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Acids and Bases are two groups of chemical compounds that generally have opposite characteristics. They have there own unique traits‚ acids taste sour‚ turn litmus red while bases taste bitter and turn litmus blue. The term pH relates to measuring the acidity or alkalinity of a solution‚ such as vinegar‚ or even a damp substance like soul. The neutral pH is 7‚ which is essentially water‚ with lower numbers indicating acidity and higher numbers indicating alkalinity. Hydronium ions (H3O+) are
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Water and Quality Contamination Rashundra Stakley SCI2-7: Dependence of Man on the Environment Instructor: Shameema Sarker October 27‚ 2014 Water and Quality Introduction. Background: According to the Millennium Development Goals Report 2012‚ 783 million people‚ or 11 per cent of the global population‚ remain without access to an improved source of drinking water. Also the United Nations has long been addressing the global crisis caused by insufficient water supply to satisfy basic
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complexometric technique. Ethylenediaminetetraacetic acid (EDTA) is a hexadentate ligand which forms stable complexes with most metal ions‚ thus is widely used to determine metals in complexometric titrations. EDTA can be represented as H4Y and in alkaline conditions‚ it exists as Y+ ions: The Y4- ions form 1:1 complexes with metal ions. For example‚ Ni2+ ions bind with them to form a stable octahedral complex NiY2-. An ordinary indicator cannot be used since the reaction does not involve a simple
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biphenyl = 106.1784 g Weight of empty flask = 104.7368 g Weight of recovered biphenyl = 1.4416 Cooled flask A in a water bath. Added 18 ml 6 M NaOH and pH tested. Still acidic‚ litmus paper was red. Added 1.5 ml more 6 M NaOH; and the alkaline solution became cloudy and pH paper turned blue. Yellow crystals were seen to form. Cooled in ice bath for 21 minutes. Collected p-nitroaniline (yellow crystals)using vacuum filtration. Washed with cold water and
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something like: "Salivary Amylase is a an enzyme that digests starch into di- and monosaccharides. Since it’s a salivary amylase‚ the enzyme works best at an alkaline pH of 7‚ in other words‚ the optimum pH is 7. At this pH‚ the rate of amylase activity will be at it’s highest. A pH that is much lower (very acidic) or much higher (very alkaline) will denature the enzyme permanently (specifically the active site)‚ and the enzyme can’t function anymore. The activity of the enzyme will decrease as we
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However relative quantification of gene expression using qRT-PCR is highly influenced by the expression stability of internal control or reference genes used for transcript normalization of target genes. The use of inappropriate or unstable reference gene(s) can seriously impact the transcript quantification results leading to false inferences or misinterpretations21‚22. Accurate normalization is thus necessary for obtaining biologically meaningful expression data and hence qRT-PCR analysis greatly
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inhaled into the lungs and carbon dioxide is exhaled. Normally these two gases are kept in balance by the respiratory system. Respiratory alkalosis occurs when carbon dioxide levels drop too low. This causes the pH of the blood to rise and become too alkaline. Some symptoms of respiratory alkalosis may include: dizziness‚ bloating‚ feeling light-headed‚ numbness and/or muscle spasms in the hands and feet‚ discomfort in the chest area‚ confusion‚ dry mouth‚ tingling in the arms‚ heart palpitations‚ and
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contribution of Islamic scholar in mathematics. The language of modern science still has many references to Arabic roots. If we discuss about scientific terms like Algebra‚ Algoriddim‚ alkaline this word as Arabic. There will be no mathematic or no physics without Algebra‚ no computer without Algoriddim‚ no chemistry without alkaline. Surprisingly few people in the west today even scientist are aware of this medieval Islamic legacy. But it was not always so‚ from 12th to 17th century European scientism and
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