Determining activation energy (Ea) of a reaction © KCl http://hk.geocities.com/fatherofchemistry Objective To determine the activation energy for the reduction of peroxodisulphate(VI) ions. S2O82-‚ by iodide ions I-‚ using a ’clock’ reaction. Principle The equation for reduction of S2O82- by I- is: S2O82- + 2I- → 2SO42- + I2 The formation of iodine is ’monitored’ by small & known amount of thiosulphate ions‚ S2O32-:
Free Chemical reaction Chemical kinetics Reaction rate
the Second World War‚ expanding its offerings beyond its early condensed milk and infant formula products. The company has made a number of corporate acquisitions‚ including Crosse & Blackwell in 1950‚ Findus in 1963‚ Libby’s in 1971‚ Rowntree Mackintosh in 1988 and Gerber in 2007. Nestlé has a primary listing on the SIX Swiss Exchange and is a constituent of the Swiss Market Index. It has a secondary listing on Euronext. In 2011‚ Nestlé was listed No. 1 in the Fortune Global 500 as the world’s
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comprising of Lecture Tutorial 13 hrs 13 hrs 2 Module Intended Learning Outcome (MILO) Module Assessment in alignment with MILO (*Please indicate the assessment mode for each MILO by ticking () the appropriate box(es)) Test Assig’ts Tutorials Exercises EA a Identify the roles and responsibilities of different IT practitioners in organizations and society b Exercise appropriate judgement as IT practitioners according to the codes of conduct of leading professional bodies of related disciplines
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ethical code is significantly encourages that EAs to exert ethics and independence in their thinking and behaviors‚ and it is optional to be performed because they are close with sensitive‚ private and confidential documents (IFAC‚ 2009) [online]. It increases the credibility‚ accountability and stewardship of directors by requiring internal and‚ or external auditors (EAs) to ensure that the principles are not been violated. Besides‚ it leading the EAs to contribute their independent opinion as well
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Invasion of Privacy in Sports Introduction Do we even have any privacy anymore? With today’s fast paced‚ never ending social networks and media outlets‚ it seems that nothing could get through its grasps. Invasion of Privacy is described as “A reasonable expectation of privacy involves an intentional or negligent highly offensive intrusion into the plaintiff’s private life and resulting in damages to the plaintiff” (Mulrooney & Styles‚ 2012‚ p. 13). In sports there are several ways in which athletes
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In 1889‚ Svante Arrhenius demonstrated that the rate constant k is related to the temperature of the system by what is known as the Arrhenius equation: k=A where R is the ideal gas constant [8.314 J/(mol oK)]‚ T is the temperature in degrees Kelvin‚ Ea is the activation energy in joules per mol‚ and A is a constant called the frequency factor‚ which is related to the fraction of collisions between reactants having the
Free Chemical kinetics Chemical reaction Chemistry
Before we get started please download the following expert advisor‚ and save it in a folder on your desktop. Renko Live Chart V3.2 So this is how we install the Renko Live Chart EA. What Does Renko Chart Mean? A type of chart‚ developed by the Japanese‚ that is only concerned with price movement; time and volume are not included. It is thought to be named after the Japanese word for bricks‚ "renga". A renko chart is constructed by placing a brick in the next column once the price surpasses the top
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This Tanakh has also been enabled for commenting when used with free Adobe Reader. << Book >> | << Chapter >> Home | TOC CONTENTS CONTENTS TOR AHAH TOR GENESIS 1 ˙È˘‡¯· GENESIS 1 ˙È˘‡¯· EXODUS 103 ˙ÂÓ˘ EXODUS 103 ˙ÂÓ˘ LEVITICUS 191 ‡¯˜È LEVITICUS 191 ‡¯˜È NUMBERS 253 ¯·„Ó· NUMBERS 253 ¯·„Ó· DEUTERONOMY 339 Ìȯ·„ DEUTERONOMY 339 Ìȯ·„ nevi’im THE prophetS nevi’im THE prophetS joshua 417 Ú˘Â‰È joshua 417 Ú˘Â‰È judges 471 ÌÈËÙ¢ judges 471 ÌÈËÙ¢ 1 samuel 525 ‡ χÂÓ˘ 1 samuel 525 ‡ χÂÓ˘ 2 samuel
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electronics industry. He found that East Asian (EA) electronic industry developed mainly due to their domestic firms’ engagement in exports whereas Southeast Asian (SEA) companies developed primarily because of the Transnational Corporations (TNC) located in such countries. Electronics industry is highly relevant because during the 1980s and 1990s represented the biggest export group in Newly Industrialized Economies (NIEs) (Hobday‚ 2000‚ p. 120). Regarding EA companies‚ what called Hobaday’s attention
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March 17‚ 2013 March 17‚ 2013 Name : Ryan annasdass arokiasamy ID : 1206875 Group Members : Chan Pei Qie‚Chong Ven Yen Name : Ryan annasdass arokiasamy ID : 1206875 Group Members : Chan Pei Qie‚Chong Ven Yen experiment 19 kinetics : the study of a chemical reaction experiment 19 kinetics : the study of a chemical reaction Results Part A [I-] / mol dm-3 | [S2O82-] / mol dm-3 | [S2O32-] / mol dm-3 | Time /s | Rate of I2 formation / mol dm-3 s-1 | 0.2 | 0.2 | 0.01 | 1.25 | 0
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