"Factors affecting the reaction rate magnesium and hydrochloric acid" Essays and Research Papers

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    FACTORS AFFECTING INTEREST RATE ON LISTED NEPALESE BANKS AND FINANCE COMPANIES By AAKASH PARAJULI Shanker Dev Campus T.U. Regd. No. 5-1-33-1-99 Campus Roll No. : 313/062 A Thesis Submitted to: Office of the Dean Faculty of Management Tribhuvan University In partial fulfillment of the requirement for the Degree of Master of Business Studies (M.B.S) Kathmandu‚ Nepal July‚ 2009 RECOMMENDATION This is to certify that the Thesis Submitted by: AAKASH PARAJULI Entitled: FACTORS

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    STANDARDISATION OF HYDROCHLORIC ACID REPORT Aim: To standardize an unknown solution of hydrochloric acid Method: See INSTRUCTIONS for practical 6.2 & 6.3 Results: Attempt No. | Titre (mL) | | 1 | 20.9 | Rough Titration | 2 | 20.5 | | 3 | 20.7 | Concordant Titres | 4 | 20.7 | | 5 | 20.7 | | (1) Tabled Results (2) Concordant Titrations Results 20.7 mL | 20.7 mL | 20.7 mL | Average of Concordant: (20.7 + 20.7 +20.7) 3= 20.7 mL Calculations:

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    Rates of Reaction

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    Coursework – Rates of Reaction Research The rate of reaction tells us how quickly a chemical reaction takes place. It is important for people in industry to know how fast a reaction goes. They have to know exactly how much of their product they can make each hour‚ day or week. In a shampoo factory‚ the rate might be 100 bottles per minute. We can’t work out the rate of a reaction from its chemical equation. Equations can only tells us how much product we can get. They don’t say how quickly

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    Discuss the factors affecting the rates of Conformity Conformity is the process of yielding to the majority influence and it has been researched for the past years by many great psychologists. However‚ evidently how much an individual conforms. Firstly dating back to the experiment of Solomon Asch-1951 whereby he manipulated Sherif’s experiment by making sure the participants’ conformity can be measured without the confounding element of ambiguity. Asch’s experiment initial experiment at the time

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    Factors Affecting Rates of Reaction Thanks to Michelle Craig Manitoba Curriculum Chemistry Grade 12; Kinetics‚ Topic 3-08 Objectives To design short experiments to investigate and explain qualitatively using collision theory the relationship between reaction rate and temperature‚ concentration‚ catalyst‚ and surface area. Apparatus and Materials Available 3 x 250 mL beakers magnesium ribbon (1 cm) 3 x test tubes magnesium powder test tube rack mossy zinc 10 mL graduated

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    Purpose: To determine the effect of various factors on the rate of reaction between an enzyme andits substrate‚ and also to determine the optimal ranges under which the enzyme activity ismaximized. Also to determine whether saline and alcohol are inhibitors or activators Hypothesis: PH factor prediction: I predict that as the pH increases so the activity of the enzyme willincrease until it reaches optimum pH range (pH 7) because the enzyme is less denaturedwhen it reaches the preferred pH level

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    Factors that Affect the Rate of Reaction of Peroxidase Purpose: To determine the effect of various factors on the rate of reaction between an enzyme and its substrate‚ and also to determine the optimal ranges under which the enzyme activity is maximized. Also to determine whether saline and alcohol are inhibitors or activators Hypothesis: PH factor prediction: I predict that as the pH increases so the activity of the enzyme will increase until it reaches optimum pH range (pH 7) because the

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    goal by creating five reactions containing Sodium Sulfate that would confirm our compound and show its chemical properties. In each reaction‚ we replaced the presence of Sodium Sulfate with our unknown. Our first reaction was the reaction from the sulfate anion test between Sodium Sulfate and Barium Chloride. If the compound was in fact Sodium Sulfate it would produce a white precipitate and it did. The second reaction was first between Sodium Sulfate and Hydrochloric Acid‚ and then Silver Nitrate

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    the concentration of the hydrochloric acid and the rate of a reaction. To find this out I will react different concentration of hydrochloric acid and magnesium‚ from there I will monitor the gas (hydrogen) produced and analyse the results. Prediction: I predict the higher the molarity of the hydrochloric acid the faster the rate of reaction therefore the quicker the gas will be produced in the specific time interval. Overview of the experiment: In this reaction two substances will be present

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    oxidation-reduction reaction of magnesium and hydrochloric acid solution. We compared the experimental measured amount of a product and the amount predicted by the theoretical calculation of a balanced equation: Mg (s) + 2HCl (aq) → MgCl2 (aq) + H2 (g) PROCEDURE First we obtained a strip of pre-cut magnesium ribbon‚ cleaned it with steel wool to remove any signs of oxidation from the strip (which would alter our results)‚ and then weighed it (individual masses of the magnesium strips for each trial

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