ACID/BASE You might need to know the following K values: CH3COOH Ka = 1.8 x 10–5 Benzoic Acid Ka = 6.5 x 10–5 HNO2 Ka = 4.5 x 10–4 NH3 Kb = 1.8 x 10–5 HF Ka = 7.2 x 10–4 H2S Ka = 5.7 x 10–8 HSO4– Ka = 1.2 x 10–2 HS– Ka = 1.2 x 10–13 HCOOH Ka = 1.8 x 10–4 HOCl Ka = 3.0 x 10–8 SIMPLE ACIDS AND BASES 1. According to the Brønsted–Lowry definition‚ which species can function both as an acid and as a base? (A) Cl– (B) SO42– (C) NH4+ (D) HCO3– (E) H3O+ 2. Which of the following
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basic or neutral. This is possible because in solutions of different pH‚ the colour of the inidcator will change simultaneously with pH change. This is made possible by pigments in the indicators. Hand made indicators include universal indicator‚ methyl orange‚ phenolphthalein and many more. Acids and bases are diverse in this world. They are everywhere ranging from foods to trees to rocks and many more. Indicators can be used to determine whether these substances are acidic‚ basic or neutral. Manufactured
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as easily as others. This paper studies the sampling procedure to know teaching learning relations for minority students in Botswana classrooms. Here‚ In this paper‚ researcher first seeks to consider questions‚ focal areas that are under study and the information he wants to have to answer the questions and also analytic processes that can be required for study. Literature Review: Deciding sample from the population for research procedure has always been a problematic decision for both generalizability
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at least 29% of Canadian citizens have reported that they have faced family separation and divorce from their parents. Moreover‚ the statistics also showed that the average marriage in Canada only lasted for ten years at most (Urquia et al‚ 2013). A further fifteen percent admitted that separated spouses who shared time among both of them to raise them independently were raising them. The statistics of family separation in Canada are also quite serious because 50% of the people who are married believe
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BANKING & SHIPPING PROCEDURE IN APPAREL INDUSTRY. BANKING & SHIPPING PROCEDURE IN APPAREL INDUSTRY. Prepared for: Mr. Faruque M. Masud Course Teacher AMM-306 Prepared by: Md. Bhuyan Md.Rubaiat morshed ID- 091011298 Group: B Semester- 2nd May 3‚ 2013 Mr. Faruque M. Masud Course Teacher AMM-306 Sub: Banking And Shipping procedure in apparel industry. Dear Sir‚ We are pleased to enclose our above subject assignment as desired by you. We have tried our
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adopting new technologies and are using feed acidifiers for supplementing the diets of animals. The market value of propionic acid as a feed acidifier was the highest in 2012‚ and is projected to grow with the increasing demand for feed acidifiers in the livestock industry. The benefits of feed acidifiers are leading the market demand in the feed industry. The fumaric acid market is comparatively small and is projected to grow at a CAGR of 5.8% from 2013 to 2018. The feed acidifiers market is projected
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Separation of Church and State Freedom of religion was established in the First Amendment to the Constitution along with other fundamentals rights‚ such as freedom of speech and freedom to the press‚ to guarantee an atmosphere of absolute religious liberty. Diverse faiths have flourished in America since the founding of the republic‚ largely because of the prohibition of government regulation or endorsement of religion. Traditions‚ holidays‚ and religious values free from government control form
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Separation by difference in particle size: Sieving: - Is a way pf separating mixtures of solids‚ or solids and liquids with different sized particles - The mixture is poured through a sieve and the particles smaller than the sieve pass through while the larger particles are trapped by the sieve - The are commonly used for cooking - E.g. a mixture of rice and water is poured through a sieve to capture rice and remove the water Filtration - Is a technique commonly used for mixtures of solids and liquid
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Sampling Procedures There are many sampling procedures that have been developed to make sure that a sample really represents the target population. Simple Random Sampling In simple random sampling‚ every individual in the target population has an equal chance of being part of the sample. This requires two steps: 1. Obtain a complete list of the population. 2. Randomly select individuals from that list for the sample. In a study where the unit of analysis is the student‚ the researcher
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Six degrees of separation (also referred to as the "Human Web") refers to the idea that‚ if a person is one step away from each person they know and two steps away from each person who is known by one of the people they know‚ then everyone is at most six steps away from any other person on Earth. six degrees of separation Six degrees of separation is the theory that anyone on the planet can be connected to any other person on the planet through a chain of acquaintances that has no more than five
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