EXPERIMENT 10 Volumetric Analysis I Standardization of NaOH Solution Outcomes After completing this experiment‚ the student should be able to: 1. 2. 3. 4. Demonstrate the concept of quantitative analysis. Make solution and standardize it. Explain the difference between primary and secondary standard solutions. Quantitatively determine the concentration of a base. Introduction Titration is a common method of quantitative analysis used to determine the concentration of an unknown substance in a solution
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Study guide for exam 3 Chem 1212 Fall 2014 (chapters 3‚4‚ 14‚15) Chapter 3 Nomenclature ionic compounds‚ molecular compounds‚ simple organic compounds‚ hydrates‚ acids Know the names and charges of the polyatomic ions Calculation molecular weight mw Molar mass of compound Number particles = NA x n Mass % Determination of empirical formula and molecular formula Combustion analysis Balancing equations Chapter 4 Limiting reactant Mole to mole conversion from reaction stoichiometry Theoretical yield
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CRIME AWARENESS AND CAMPUS SECURITY Public Law 102-26‚ the Higher Education Technical Amendments of 1991 (the ACT)‚ requires all institutions of higher education to provide information with respect to campus crime and security policies under Title II of the ACT. A) Employees‚ students‚ and others are required to report criminal actions or other emergencies to the director or acting director immediately. The director will subsequently notify the appropriate public agency. The
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1993 - 2(b) Marking Scheme (i) Diamond is a giant structure with covalent bonds/ giant covalent structure/ consist of a large number of covalent bond ∴ melting requires supply of a large amount of energy. Melting of tetrachloromethane involves the breaking of weak van der Waals forces between molecules/ intermolecular forces. 1+1 1 1 (ii) There are mobile electrons in solid sodium but the ions in solid sodium chloride are not free to move/ solid sodium chloride has no mobile
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LAB 3.Ø.Ø: do ions combine in definite ratios PURPOSE The purpose of this investigation is to determine whether ions combine in definite ratios or not. To observe‚ and create a table of the different ions. QUESTION If copper (II) sulfate when mixed with sodium carbonate at different quantities combine to form ions in definite ratios. HYPOTHESIS / PREDICTION I believe that the ions will combine in definite ratios due to the fact that the valance electrons will not be changing throughout any
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Epoxidation Reactions Lab Report 2 Abstract An oxygen atom is transferred from a peroxy acid to the carbon=carbon double bond thus forming an epoxide. Scheme 1. Oxone Epoxidation. Scheme 2. mCPBA Epoxidation. The percent yield for the Oxone epoxidation reaction was 65% yield and the mCPBA epoxidation reaction was 70% yield. Oxone is the greener alternative because using mCPBA is twice as expensive as Oxone and leaves behind the epoxide plus m-chlorobenzoic acid while Oxone creates non-toxic
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Identifying a Salt by Creating its Heating Curve Introduction: Solubility is a substance’s ability to be dissolved in a liquid‚ usually water‚ and some substances are more soluble than others. A solution can be saturated‚ unsaturated or supersaturated. Temperature plays a large role in the solubility of substances. For example‚ on table G of the Chemistry reference tables it shows that 10g of KClO3 will dissolve in 100g of water at about 25°C‚ but at about 48°C‚ 20g will dissolve. The higher the
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Angela Pierre Chem 112 Lab Due: 03/05/2015 Lab Report 14 Questions 1. Part A.3. Some of the cyclohexane solvent vaporized during the temperature versus time measurement. Will this loss of cyclohexane result in its freezing point being recorded as too high‚ too low‚ or unaffected? Explain. -The freezing point will be higher because the loss of solvent means that the molarity of solute is too high. The melting point will be lower than expected. 5. Part B.2. The solute dissociates slightly in the
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between the old and new curriculum. In the old curriculum based on CMO No.30‚NCM 101‚ 102 and 104 is an integration of Medical-Surgical Nursing‚Psychiatric Nursing‚ and Maternal and Child Health Nursing(MCN). Itmeans that in NCM 101‚ there are three subjects altogether. However‚ in the new curriculum CMO No.14‚ Nursing Care Management Courseswere separated according to nursing specialties. For example‚ NCM 101and 102 deals with only Maternal and Child Health Nursing (Katharina‚ A.‚ August 2010) To
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Unit II Studyguide World History 102 Byzantine‚ Islam‚ and Africa 1. What is the relationship of push-pull factors to causes of migration? They act as reasons for migration 2. What are examples of migration? The movement of Aksum south 3. What was the most likely cause of the beginnings of the Bantu migrations? The development of agriculture 4. What was the effect of the migration of the Bantu-speaking peoples? A diversity of cultures and a widespread family of languages
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