Datalogging Experiment (4) Acid-base Titration using Method of Double Indicators Student Handout Purposes To determine the composition of the following mixture by double indicator method: 1. NaOH(aq) and Na2CO3(aq) 2. NaHCO3(aq) and Na2CO3(aq) Introduction Consider a mixture of NaOH(aq) and Na2CO3(aq). Reaction between HCl(aq) and Na2CO3(aq) takes place in two stages: HCl(aq) + Na2CO3(aq) ⎯→ NaHCO3(aq) + H2O(l) …………………. (1) HCl(aq) + NaHCO3(aq) ⎯→ NaCl(aq) + CO2(g) + H2O(l) …………. (2) While
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Chemistry Experiment Double Indicator Titration 1 Aim The purpose of this experiment is to find the composition of a sample of sodium carbonate mixture by titration. Introduction The reaction between sodium carbonate and hydrochloric acid occurs in 2 stages‚ with the formation of hydrogen carbonate ion as the intermediate product. Na2CO3(aq) + HCl [pic] NaHCO3(aq) + NaCl(aq) NaHCO3(aq) + HCl(aq) [pic] NaCl(aq) + H2O(l) + CO2(g) [pic] Requirements Hydrochloric
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Anglo-Dutch Treaty of 1824 Introduction In 17 March 1824‚ the Anglo-Dutch Treaty of 1824‚ which was also known as the Treaty of London‚ was signed by Hendrik Fagel and Anton Reinhard Falck for the Dutch‚ George Canning and Charles Watkin WIlliams Wynn for the UK. The purpose for signing the treaty was to address the issues faced when the British inhabits the Dutch properties during the Napoleonic Wars. The treaty was signed in London without the consent of local rulers. Historical Background
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European Union as well as several other major international organizations‚ such as NATO‚ are located here. Although Taiwan’s area is just little smaller than Belgium (35.980 and 30.528 square kilometers)‚ the number of Taiwan’s population is over double Belgium’s (23.037 and 10.73 million people) (CIA‚ 2012). Let us to find out about some sections involving cultural‚ social‚ political‚ legal and economic environments of Belgium to have a more detailed look about market attractiveness of host country
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Russia and the Netherlands: Changes and Challenges Essay Question #2 • Compare and contrast the major internal changes and challenges faced by Russia and the Netherlands as detailed by Baker & Glasser and Buruma respectively. Russia and the Netherlands are both continuously complex and changing nations‚ with rich histories remembered and great challenges overcome (and some still yet to be overcome). In the very near past however‚ certain large scale changes and massive challenges
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sweetened condensed milk in wholesale quantities from a large company in Holland. To market this milk‚ a Singapore based company named Friesland (Malaya) Pte Ltd was formed in 1954. One of the brands that this company started selling was called the Dutch Baby brand. In 1963‚ a sweetened condensed milk factory was commissioned in Petaling Jaya‚ and Pacific Milk Industries (Malaya) Sdn Bhd came into existence. It took the factory around two years to start its operations for manufacturing sweetened condensed
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Anglo-Dutch Treaty 1824 was signed between the British and Dutch governments. It is intended to remove all outstanding disputes and friction between their commercial agent in the East. Anglo-Dutch Treaty 1824‚ which is designed to solve various problems arising from the British occupation of the Dutch hotel during the Napoleonic Wars‚ as well as issues concerning the right to trade there for hundreds of years in the Spice Islands of both countries‚ is a agreement to discuss various issues and does
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European Economy Due to the voyages of exploration and the colonization in the Americas and all over the world‚ the European economy changed drastically from 1450 to 1700. In Spain inflation lead to economic problems‚ while in the Netherlands‚ the Dutch East India Company flourished their economy‚ and in all of Europe‚ the merchant class grew due to mercantilism. The increase of business and hauls of gold and silver lead to inflation in Spain. Inflation is the decline in the value of money‚ with
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Journal 3 – Double Indemnity (7-14) “That’s all it takes‚ one drop of fear‚ to curdle love into hate” (Cain 54) – As soon as he set his eyes upon Mrs. Nirdlinger‚ Walter was in love. Both Walter and Phyllis may have an evident lust for money‚ but Walter’s infatuation with Phyllis’s being definitely encouraged his violent actions. It is interesting that Walter is already coming to realize this. Walter realizes what he has been lured in to and is trying to put some blame on Mrs. Nirdlinger’s sex appeal
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battles around Belgium between the Belgians and the Dutch army. This conflicts were known as the Days of September since they were between the 23rd and 27th of September 1830 . These events occurred due to a multiple reasons ranging from religious conflicts to economic‚ social and political conflicts. One of the major causes of the Belgian revolution‚ which took place between August and September 1830‚ was the fact that the Belgians were under Dutch rule. The ruler of the United Kingdom of Netherlands
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