condition (listed from left to right in the table) ranged from: 19.6-59.2%‚ 11.8-76.0%‚ 25.0-92.3%‚ and 12.5-89.8%‚ respectively. From this‚ we can generally see how the data from each group is spread out across each ligation condition. Table 2. ANOVA test results. The p-value corresponding to the F-statistic is lower than 0.05‚ suggesting that one or more treatments are significantly different. We can see that the treatments that are significantly different are the 1:1 with stuffer and 2:1 without stuffer
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DISCUSSION: Qualitative analysis is used to determine the presence of cations or anions present within a sample and their impurities. Information known‚ such as chemical and physical properties‚ about cations and anions can be used to determine what steps should be used to separate the sample into one‚ specific ion. Qualitative analysis involves forming and decomposing complex ions. Qualitative tests are very sensitive‚ allowing to detect a very small amount present in sample. Due to sensitivity
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Simple qualitative analysis involves the identification of the constituents of an inorganic substance or a mixture of substances. The inorganic substances are split-up into two types of charged particles one of which is positively charged and the other is negatively charged. The charged particles are called ions or radicals. The positively charged ions are called cation or basic radical. The negatively charged ion is called anion or acid radical. In the qualitative analysis of an inorganic
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OBJECTIVES : To compare the final product of two different method and ingredient and investigate the factor contributed with the final product’s appearance. EVALUATIONS TREATMENT 1 Fine texture‚ smooth‚ and even pores Thin crust TREATMENT 2 Has tunnel at the centre‚ dark brown. Soggy Thick‚ Tough and harden DISCUSSIONS Chocolate cake from first recipe gives great texture of crumb and crust of the cake. In contrast‚ the second cake give a worse texture of the crumb
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10 Test Tube Mystery Introduction: The students were handed 10 test tubes with no identification. The students were supposed to design a method in determining what chemical was in each test tube. The list of chemicals is CuSO4‚ NH4Cl‚ NaOH‚ AgNO3‚ KI‚ H2SO4‚ NaBr‚ CaCl2‚ HCl‚ and Pb(NO3)2. The students are expected to determine the chemicals using physical properties‚ litmus paper‚ solubility‚ and the process of elimination. Physical properties‚ such as the color‚ can be determined by sight. Litmus
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Study Guide to Help with Laboratory Exam 1 Microbiology 1214 A partial study guide only. Not intended to replace the review sheets or the “Know the following” sections on your labs. These slides are not presented in any particular order. Name this Procedure Identify the two types of bacteria present by shape and gram stain. In a gram stain what is the primary stain? The mordant? The counterstain? How does this differ from a simple stain? Identify the shape and gram stain of the bacteria present
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In this lab‚ we tested the effect of flame on different chemical solutions. In order to do this‚ we used a wooden stick soaked in a metal and nonmetal solution‚ hovered it over a bunsen burner‚ and recorded the color that the flame changed to. The seven solutions we tested were lithium chloride‚ strontium chloride‚ calcium chloride‚ sodium chloride‚ barium chloride‚ copper chloride‚ and potassium chloride. However‚ we had another four additional solutions‚ which had unknown chemical composition
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VARIOUS LAB TEST ON CEMENT: Checking of materials is an essential part of civil engineering as the life of structure is dependent on the quality of material used. Following are the tests to be conducted to judge the quality of cement. 1. Fineness 2. Soundness 3. Consistency 4. Initial and Final Setting Time of Cement FINENESS OF CEMENT: We need to determine the fineness of cement by dry sieving as per IS: 4031 (Part 1) – 1996.The principle of this is that we determine the proportion of cement
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Introduction According to Craig and Smyth (2002) cited in Boswell and Cannon (2010:Chapter) “Evidence-based practice has emerged from the desire of the majority of healthcare providers (both institutions and individual) to do what is right for the patient and what will result in more good than harm.” The Nursing Council of Hong Kong has devised a Code of Ethics for an accurate representation ofNurses’ ethical responsibilities since 1999. Code of Professional Conduct and Code of Ethics for Nurses
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overall? Background: Past tests of the highest quality paper towel showed that Bounty was the best choice for a kitchen paper towel. Although it wasn’t the most absorbent‚ which was Brawny‚ it was rather strong in both durability and absorbency. (consumerreports.org) Industrial and 7th generation are most commonly used in public places such as; School bathrooms‚ public restrooms and public sinks. 7th generation is made of 100% recycled paper. In another test‚ between Viva and 7th generation
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