TWO QUESTIONS – LOGISTICS 2-1 A unique feature of integrated logistics is: A – The newness of the concept B – It is fundamental similar to military operations C – Complexity and scope of operations** D – The fact that it employees many people. 2-2 Basic logistics service is a concept that: A – Describes the level of service provided all established customers** B – Is involved in designing a network C – Only involves availability D – None of the above 2-3 A logistics performance
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local stores based on forecast sales or the hope of making more sales by flooding isles with products (“push” driven supply chains). In the case of Walmart‚ the supply chain is driven by consumer behavior which “pulls” replacement stock from inventory. 2. Why is a detailed knowledge of consumer purchases at each store important to Walmart’s success? There are regional and local differences among all of Walmart’s stores in the United States. These differences may involve weather patterns‚ ethnic composition
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CELL STRUCTURE CELL THEORY: Structural and functional unit of all living things New cells arise from already existing cells Cells contain information that instructs growth. This information can be passed onto new cells. MICROSCOPES: There are two main types of microscopes: Light and Electron Electron Micrographs- shown in colour LIGHT ELECTRON Uses beam of light Magnification = x1500 Resolution = 200 nm Wide range of specimens can be used Samples are fairly quick + easy to prepare
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positive integer‚ r = distance of electron from center‚ m = mass of electron. Solve‚ get mvr = L = nh/2pi. (b) The current wave mechanical model for the atom states that there are an integer number of wavelengths in every standing integer number (n). 2. (a) The first shell electrons in Lithium are the closest electrons to the nucleus. In addition‚ there are proportionally more protons to electrons. This pulls the electrons even closer to the nucleus. And in Potassium‚ the outer shell electrons are
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tests‚ such as solubility‚ pH‚ or color tests. In our group we had to test come common powders such as Alka-Seltzer‚ baking soda‚ flour‚ Vitamin C (ascorbic acid)‚ and salt. Other chemicals that were used to do this experiment were vinegar‚ and Iodine 2 Solution. The equipment used to do this experiment was red litmus paper‚ and 5 test tubes per group. After all materials were gathered‚ we then had to do five different tests to determine what the powder material does. The first test was to see what
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The Chemistry of Lipids Experiment #8 Objective To observe the solubility of lipids in polar and nonpolar solvents and to compare saturated and unsaturated fats in their chemical reaction with bromine. The percent fat in a food will be determined by extraction of the fat and weighing it. Introduction Lipids‚ by definition‚ are natural substances that do not mix with water but dissolve in organic solvents. There are several classes of lipids‚ including: fatty acids‚ waxes‚ triacylglycerols
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precipitation is carried out slowly‚ which can be done by dissolving Ca2+ and C2O42- in acidic solution & gradually increasing the pH by thermal decomposition of urea‚ Co(NH2)2. Equation : Co(NH2)2 + 3H2O CO2 + 2NH4+ + 2OH- Methyl red indicator: [below pH 4.8 – red ; above pH 6.0 - yellow] Sample experimental Data Funnel #1 Funnel#2 Average Mass of glass funnel‚ initial (grams) 35.2653 34.5269 34.8961 Mass of glass funnel + ppt. after drying (grams) 35.6653 34.9569 35.3111 Mass of product
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In the Lewis symbol for a fluorine atom‚ there are __________ paired and __________ unpaired electrons. A) 4‚ 2 B) 0‚ 5 C) 2‚ 5 D) 6‚ 1 E) 4‚1 2. Which of the following would have to gain two electrons in order to achieve a noble gas electron configuration? O Sr Na Se Br A) Sr B) Br C) Sr‚ O‚ Se D) Na E) O‚ Se 3. The electron configuration of the S2- ion is __________. A) [Ne]3s23p2 B) [Ne]3s23p6 C) [Kr]3s22p-6 D) [Ar]3s23p2 E) [Ar]3s23p6 4. The ion NO- has __________
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Isotope: element variations with different atomic mass but same atomic number Isotopic Abundance: the relative amount in which each isotope of an element Calculating: given 2 isotopes of an element [B: 10.01u] [B: 11.01u] 1) Given average atomic mass: 10.81u If given percentages‚ you can find average atomic mass by adding each portion 2) Set variables for unknown values Let x represent % abundance for 10/5 B Let 1-x represent % abundance for 11/5 B Calculate: 10.01x+(1-x)11.01=10.81 10.01x+11.01-11
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Figure 1 shows the average amount of absorbance for each tube‚ containing different levels of pH. Tube 2 had an acidic pH level‚ Tube 3 had a neutral pH level‚ and Tube 4 had a basic pH level. It is indicated that the absorbance rates were the highest for the neutral pH level‚ with a final absorbance rate of 0.166. This was followed by a basic pH (0.106). The acidic pH level had the least amount of absorbance with a final absorbance rate of 0.069. This reinforces the idea that the ALP enzyme worked
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