* Code of ethics statement:- HCL Core Values: * To uphold the dignity of the individual: In line with HCLT ‘s “Employees First” philosophy‚ wherein employees are the organization main focus‚ they place significant emphasis on the respect and dignity of every HCLT employee. HCLT employees are empowered to drive innovation‚ transforming client engagements and markedly improving client satisfaction. HCLT believes in valuing employees as individuals (not resources)‚ upholding the dignity of
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Introduction Reactions don’t always produce the same product‚ even if the reactants are kept constant. Some reactions have the capacity to produce two or more different products‚ depending on the reaction conditions and control such as thermodynamic and kinetic control. Thermodynamic control produces more stable products (University of Windsor‚ 2015). A kinetic control forms products at a faster rate faster rate because of its lower activation energy (UC Davis ChemWiki‚ 2015). By manipulating these
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factors affecting the rate of a chemical reaction. Introduction: In my coursework I will be mainly concentrating on the reaction between dilute hydrochloric acid with marble chips (calcium carbonate). Calcium carbonate (marble chips) + hydrochloric acid ==> calcium chloride + water + carbon dioxide CaCO3(s) + 2HCl (aq) ==> CaCl2 (aq) + H2O (l) + CO2 (g) Aim: The aim of the experiment is to investigate how the concentration of hydrochloric acid affects the rate of reaction with marble chips‚
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Seung Soo (Jason) Lee 002213-065 Internal Assessment – Investigating the Relationship between Concentration of Sodium Chloride and the Rate of Reaction of Enzyme Amylase Research Question: How will changing the percentage of sodium chloride concentration affect the rate of reaction of enzyme amylase‚ measured using the absorbance of starch and iodine with a spectrophotometer. Introduction: Amylase is an enzyme that is involved in the human digestive process. Found in both the human pancreas
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Title: Factors affecting reaction ratesProcedure A: Effect of ConcentrationAim: To investigate how the concentration of a reactant affects the rate of reaction. Hypothesis: The more concentrated the reactant‚ the faster the rate of reaction. Materials: 2M hydrochloric acid solution‚ magnesium wire‚ distilled water‚ 4 test-tubes‚ measuringcylinder. Procedure:1)10mL 2M hydrochloric acid solution is poured into a test-tube using a measuring cylinder. 2)A 3cm length of magnesium wire is added to
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Introduction In this chemical reaction‚ the magnesium will dissolve in the hydrochloric acid to produce hydrogen gas. This is because magnesium is higher than hydrogen in the reactivity series. Therefore‚ when the two reactants are combined‚ a displacement reaction occus and the magnesium displaces the hydrogen‚ forming magnesium chloride and hydrogen gas. Mg (s) + 2HCl (aq) -> MgCl 2 (aq) + H 2 (g) Magnesium + Hydrochloric acid -> Magnesium Chloride + Hydrogen
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a suitable Transdermal therapeutic system for Venlafaxine Hcl (VFH) with the objective to prolong the release to be used for controlled release drug delivery.Transdermal patches of VFH with a HPMC-drug reservoir were prepared by the solvent evaporation technique. In this investigation‚ theEudragit RSPO membrane in different concentrations was cast to achieve controlled release of the drug. The absence of physiochemical interactions between VFH and the polymers was confirmed by FT-IR spectroscopy.
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Difference between rate and sequence Rate/Speed involves a time frame linked to age. Sequence/Order involves patterns and an order of development linked to body‚ mobility and intellectual growth - sequence can include an order that’s both positive and negative - deterioration. Rate - what happens at 1 year old‚ 24 months old‚ 7 years old .. Sequence - how things happen in an expected order‚ sequence ie: breastfed‚ weaned‚ full meals. lie‚ sit‚ crawl - maybe‚ stand‚ walk‚ run.. Sequence
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time it takes for the cross on the bottom of the beaker while the reaction is recurring to disappear. As it can be seen in the graph‚ the higher the temperature the shorter the time is for the Sulphur to be created. If it is looked as one continuous line‚ the first part of the trend line shows a steep‚ straight and constant decrease; then the 2nd part is not as steep and has a more gradual decline. Moreover‚ it shows how a reaction at 20°C a slower time for the cross to disappear compared to 40°C
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The pH adjustment was done by adding a few drops of TEA‚ afterwards two distinctive phases were formed. pH value of supernatant was measured quickly (pH-meter showed number 11-12). The reaction flask was heated and shaken for 30 minutes‚ followed by decantation to obtain base Memantine (without Hcl). The reaction flask was connected to rotary evaporator equipped with vacuum pump to remove excess solvent (i.e.‚
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