Acid in the human stomach When people refer to acid they usually see it as a corrosive liquid that can dissolve metals or change the color of a substance. So they think of acid as a dangerous matter for the body and believe it can easily dissolve your skin. What I have previously listed are indeed properties of certain acids‚ such as Hydrofluoric Acid which can cause irreversible tissue damage if it comes in contact with skin‚ but not all acids are this strong. As a matter of fact what a lot of
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Factors Affecting Rates of Chemical Reactions Prepared By: Kelly Gunter For: Ms. Brohman Course: SCH-4U Introduction The main purpose of this lab was to investigate how temperature‚ concentration‚ the addition of catalysts‚ and the substitution of a more reactive reactant‚ can affect the reaction. The collision theory explains that in order for a reaction to occur‚ reacting particles must collide with one another. An effective collision makes reactants result in a reaction and
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Rates of Reaction Coursework Aim: To find out how different concentrations of sodium thiosulphate (Na S2 O3) affects the speed of its reaction with Hydrochloric acid (HCL). Introduction When Sodium Thiosulphate and Hydrochloric acid react they produce a cloudy precipitate. Both of the chemicals are clear solutions and they react together to form a yellow precipitate of sulphur‚ the equation for this reaction is: Na2 S2 O3 + HCL‚ H2 O + NaCL + SO2 + S Sodium Thiosulphate + Hydrochloric
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(Fe3+ ) form. Ferric form is not usually absorbed in the body. In the stomach‚ there is low pH of 2 due to presence of gastric acids such as Hydrochloric and Ascorbic acids. These acids provide an acidic environment for reduction of ferric iron to ferrous (Fe2+). Ferrous iron can be absorbed in the body system. As in following equation of iron (iii) reaction with Ascorbic acid ‚ the product is iron (ii) chloride which is soluble 2 Fe3+ (s) + C6 H8 O6 (aq) → 2 Fe2+ (aq) + C6 H6 O6 (aq) + 2 H (aq)+
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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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Factors affecting the rate of coastal erosion Rock types - Soft rocks like clay or mud‚ erode faster than hard rocks like granite. This is because hard rocks are more resistant to erosion. This means that the hard rock is left sticking out into the sea as a headland. The headland is now vulnerable to the force of destructive waves but shelters the bays close by from further erosion. Wave type - Destructive waves cause more erosion than constructive waves. This is because backwash is more powerful
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Professional Regulation Commission building at least three days before the exam. NLE results are released after 30 working days though it may vary depending on the number of takers and other factors. However‚ not all takers are fortunate enough to pass the exams and never have been any occurrence of 100% national passing rate throughout NLE’s history. Non passers may review and retake but some are faced with dilemmas that’ll make it even harder for them to cope up and pass the next time around. A total of
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| Factors affecting Birth Rate in Germany | | Table of Content 1 Introduction(1/2) A 3 2 Literature Review(1) R 3 2.1 Definition of variables R 3 2.2 Japan 3 2.3 USA 3 2.4 India 3 3 Hypothesis / Research Question(1/2) R 3 4 Methodology (2) M 3 4.1 Correlation 3 4.2 Simple Regression 4 4.3 Multiple Regression 4 4.4 Measure of fit 4 4.5 Level of Significance 5 5 Data 5 6 Findings 6 6.1 Simple Regression 6 6.2 Multiple Regressions (5) T 7 6.2.1 All
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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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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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