Preparation of the NaOH Solution Mass of NaOH before standing = NaOH before standing (g) – beaker (g) = 111.490 g – 110.970 g = 0.520 g Mass of NaOH after standing = NaOH after standing (g) – beaker (g) = 111.500 g – 110.970 g = 0.530 g Standardization of the NaOH solution TRIAL I Volume of NaOH solution = Final reading of buret - Initial reading of buret = 13.80 mL – 0.00 mL = 13.80 mL Converting the Volume (mL) to Volume (L) Volume (liters) = Volume (mL) x
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Assignment 023 Age Physical Development Intellectual and cognitive development Communication Development Social‚ emotional and behavioural development Moral development 0-3 months *Legs not yet strong enough for holding weight when standing. * Will hold rattle for a few moments‚ but cannot usually look at it‚ at the same time. * Can hold head up for several seconds. Head and chest lifts when lying on tummy. (tummy time) * Rests weight on hands and using them to explore *Hands open. Arm movements
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A process for the preparation of racemic phenylethylamine which comprises contacting an optical antipode therefore‚ e.g.‚ L(-) or D(+)-1-phenylethylamine with sodium amide or sodium hydride. Claim: What is claimed is: 1. A process for preparing racemic 1-phenylethylamine which comprises contacting L(-)-1-phenylethylamine or D(+)-1-phenylethylamine with 0.01 to 1 weight percent‚ based on theamount of said phenylethylamine‚ of sodium amide or sodium hydride at a temperature of 70.degree. to 150
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Principles of Child Development and Learning Assignment Developmentally appropriate principles reflect the many intentional decisions teachers make based on their knowledge of how children learn and grow. The principles of Child Development I believe from the most important to less important are listed as: 1. Programs and curriculum respond to the children’s interest and asks them about the bridges and tunnels they are starting to build. 2. Teachers apply what they know about each child and use
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2. Preparation Of 1 M Na2CO3 Molecular mass of Na2CO3 = 106g Mass of salt in 100 ml of 1M solution = 10.6g Weighing of salt using electrical balance * Mass of Na2CO3 + beaker = 78.64g * Mass of beaker = 68.04g * Mass of Na2CO3 = 10.6g 1. 10.6g of Na2CO3 was weighed in a dry beaker. Small amount of distilled water was added and the salt was dissolved. 2. The contents of the beaker were transferred to
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Assignment 07 Sustainability and Development by Tz09m77 Step 1 Sustainability. “Sustainable development is the development that meets the needs of the present generation without compromising the ability of the future generation to meet their own needs” Step 2 My Ecological Footprint. My ecological footprint is 3.73 per capita of which‚ i will need 3.73 planets if everyone lived my lifestyle. According to Brundtland’s definition of sustainable development I am not really meeting the present needs
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Case Preparation Questions Cola Wars Continue: Coke and Pepsi 1. Why is the soft drink industry so profitable? 2. Compare the economics of the concentrate business to the bottling business: Why is the profitability so different? 3. How has the competition between Coke and Pepsi affected the industry’s profits? 4. Can Coke and Pepsi sustain their profits in the wake of flattening demand and the growing popularity of non-carbonated drinks? Zara: Fast Fashion 1. How specifically
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Preparation of Esters Introduction Esters are known for their pleasant smells such as perfumes and artificial flavorings in contained labs. They are formed when a carboxylic acid reacts with alcohol and a strong acid such as a catalyst called sulfuric acid (H2SO4) for this lab. The structural formula for esters can be represented as R-COO-R’. The R and R’ symbolizes different alkyl groups that can be combined to the ester. When naming an ester the first part comes from the alcohol followed
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Title: Preparation of Solutions and Buffers Objectives: 1. To learn and understand the theory‚ principle and formula behind buffers and solutions preparation. 2. To learn the methods for buffers and solutions preparation. Introduction: (Wikipedia‚ 2013) Solute is a substance dissolved in another substance. Solvent is a substance in which the solute is dissolved by it. Solution is a mixture of two or more substances. The amount of solute dissolved in a solvent is called concentration
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There are many purposes for the Resume Planning and Interview Preparation worksheets‚ but the most important reason is when an individual can provide an excellent job at selling themselves. Some people are good at this task while others are not‚ so being prepared and with practice‚ this should become easier over time. The Resume Planning worksheet will assist Shelby in listing her education‚ work experience‚ training and other personal information when starting to prepare her résumé (Kapoor‚ Dlabay
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