many others. They also offered special cakes and menus during special occasion such as Valentine Day‚ Mother’s Day and others. 4. Franchised System Franchise system is advantageous for Secret Recipe Nilai as they have the rights and access to data from the headquarters. All the tailored operational systems‚ purchasing systems‚ storing‚ products‚ service s standards‚ marketing and many others has bring ease of operations for Secret Recipe Nilai and minimize the drawbacks. 5. Customers Secret Recipe
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Hydrogen and the Noble Gases Hydrogen is the chemical element with atomic number 1. It is represented by the symbol “H”. It is an odorless‚ nonmetallic‚ tasteless and highly explosive gas. Hydrogen is the lightest and most abundant chemical element in the universe. It forms 1- ions when combined with metals‚ and 1+ ion when combined with non-metals to form acids. Hydrogen is “the fuel of life”; without it to combine with oxygen we would not have water. Water is made of two parts hydrogen
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Properties of Substances- Gr.12 Chemistry Final Lab Report Lab: Properties of Substances M. Nguyen SCH4U April 27‚ 2012 Abstract The purpose of this experiment was to use a variety of tests to identity the type of bonds which are present in each solid. Various substances (paraffin wax‚ sucrose‚ sodium chloride‚ tin‚ and silicon dioxide) were experimented and identified with tests for hardness‚ solubility‚ conductivity‚ and the time for the solid to melt with a candle and Bunsen burner
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Le Chatelier’s Principle Part I: Record your observations. NaOH was dissolved in MgCl2‚ the color turned dark pink (from white) Questions In Part I the reaction you observed was Mg(OH)2 (s) Mg2+ (aq) + 2 OH- (aq). Compare the colors you observed in the experiment and answer these questions: A. Which way should the equilibrium shift when HCl is added? How do your results support your answer? It should shift to the left because adding any component causes the equilibrium to
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Hydrogen Selenide is toxic. It is made up of selenium which is also toxic‚ and hydrogen which is nontoxic. This substance is also colorless like hydrogen‚ but not like selenium which is a deep red color. There are reports of mine workers being poisoned by hydrogen selenide and selenium. Increasing industrial applications of selenium and the fact that workers may be exposed to Hydrogen Selenide have led authors to make a further investigation of the toxicity of this substance. The purpose of this
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An ion is an atom or molecule in which the total number of electrons is not equal to the total number of protons‚ giving it a net positive or negative electrical charge. The name was given by physicist Michael Faraday for the substances that allow a current to pass ("go") between electrodes in a solution‚ when an electric field is applied. It is from Greek ιον‚ meaning "going." The word ion also is responsible for electrical current being symbolized by the letter i in chemistry and physics. An anion
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Reactivity of Halide Ions PURPOSE The purpose of this experiment is to observe the reactions of halide ions with different reagents by mixing them together. Materials 0.1 M AgNO3 0.1 M NaCl 0.1 M NaF 0.2 M KBr 0.2 M Na2S2O3 3% Starch Solution 4.0 M NH3 (aq) 5% NaClO (commercial bleach) 24 – well microplate thin – stemmed pipettes‚ 12 Safety DATA |PARTS |INITIAL MASS |FINAL MASS |CHANGE IN MASS | |
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the urine and neutralizes the acid compounds of the body such as phosphates‚ urea and ammonia. It is‚ therefore‚ highly beneficial in the treatment of acidosis and other diseases associated with too much acid in the system. The presence of oxalate ions and oxalic acid content in tomatoes is also a cause of kidney stones. Several researches have proven that the
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IRON (METAL) Iron is a chemical element with the symbol Fe (from Latin: ferrum) and atomic number 26. It is a metal in the first transition series. It is the most common element (by mass) forming the planet Earth as a whole‚ forming much of Earth’s outer and inner core. It is the fourth most common element in the Earth’s crust. Iron’s very common presence in rocky planets like Earth is due to its abundant production as a result of fusion in high-mass stars‚ Like other group 8 elements‚ iron
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contact (irritant)‚ of inhalation. Procedure: 1. Prepare a 50% NaOH solution by dissolving 1.0 g NaOH in 1 mL of water. 2. You may need to heat the solution to dissolve all the NaOH. a. The solution mus be cool before it is added to the reaction mixture. 3. Add 1 mL of acetophenone and 1 mL of anisaldehyde to a test tube 4. Add 3 mL of 95% ethanol and stir intil dissolved 5. Add 5 drops of the NaOH solution 6. Stir for 20 min 7. Add to an ice bath until crystallization occurs 8. Filter the crude
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