Bosch did for humanity by inventing the method used to make synthetic fertilizer. It was what they did afterward‚ during World War I‚ that is controversial. Fritz Haber became the director of the Institute for Physical Chemistry that made poisonous chlorine gas. He actively participated in its development and was an advocate for its use‚ even though poisonous gas was banned by the Hague Conventions of 1899 and 1907. His wife‚ also a scientist‚ committed suicide ten days after the first use of chemical
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WORKSHEET MOLE By Sir Shah Murtaza Q1. Potassium reacts with water as shown in the equation. a. Describe what you would see when potassium reacts with water. b. A sample of 0.195 g of potassium was added to 500 cm3 of cold water. When the reaction was finished‚ 100 cm3 of 0.100mol/dm3 hydrochloric acid was added to form solution X. (i) Calculate the number of moles of hydroxide ions formed when the potassium was added to water. (ii) Calculate the
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Cobalt Complexes Lab 4 Cobalt and its slew of complex children Abstract: Through a series of substitution reactions‚ different cobalt ammine complexes were created. These complexes were analyzed via‚ precipitation and gravimetric measures to determine that the substitution reactions that occurred. Introduction: Coordination chemistry is an important part of inorganic chemistry that involves the association and dissociation of ligands to a metal. The size‚ shape
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The Battle of Verdun was an ineffective war effort for the Germans to invade the French troops during WWI. It was classified as one of the most bloodiest battles during this time. This battle took many lives and left long lasting effects on the world shortly after. The battle was a surprise attack on the French that took place in the French city of Verdun. The Battle of Verdun lasted around 10 months and had no real significant achievement. Both opposing sides gained little to no advantage but costed
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Materials in Our Daily Life : 95 : 21 Materials in Our Daily Life The basic aim of science is not only to study and understand natural phenomena but also to use this knowledge to make our lives more comfortable. Science and technology have enabled us to develop more economical and convenient methods to recover useful materials from nature and to put them to various uses. Chemistry has enabled us to synthesize new materials which have desired properties‚ thus‚ making them even better than natural
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1. Which of the following are the products of a homolytic cleavage of a C-C bond of ethane? A) 2 B) CH3 CH3 C) H D) 2 + + CH3 CH2H3 CH3 Ans: A Chapter 11 Topic: Radicals Section: 11.1 Difficulty Level: Easy 2. Which of the following is the most stable radical? A) B) C) D) E) Ans: B Chapter 11 Topic: Radicals Section: 11.1 Difficulty Level: Easy 3. In the molecule shown below‚ determine which of the labeled bonds is
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Title Soda Ash: Great for the economy but detrimental to the body; So why is it involved in everyday life? Abstract Sodium carbonate‚ Na₂CO₃‚ commonly known as soda ash is used in the manufacturing of many economically important products such as the manufacturing of glass‚ chemicals‚ paper and detergents. Since sodium carbonate has a strong base‚ it is commonly used to neutralize acidic effects. Soda ash has a high pH in concentrated solutions and can irritate the eyes and skin as well
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SEMI – MICRO QUALITATIVE ANALYSIS OF SIMPLE INORGANIC SALT _______________________________________________________________ CATIONS: Pb2+ ‚Hg2+ ‚Cu2+ ‚Cd2+ ‚ Ag+ ‚ Fe2+ ‚ Fe3+ ‚ Al3+ ‚ Zn2+ ‚ Mn2+ ‚ Co2+ ‚ Sr2+ ‚ Ba2+ ‚ Mg2+ ‚ NH4+ ANIONS: CO32- ‚ S2- ‚ SO32- ‚ SO42- ‚ NO2- ‚ NO3- ‚ Cl- ‚ Br2- ‚ PO43- ‚ CH3COO- _______________________________________________________________ PRELIMINARY TESTS 1. Note the state (amorphous or crystalline) and colour of salt. 2. Test the solubility of the salt in
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preserving of hides and in the form of brine of brine for refrigeration purposes. Salt is extensively used in the chemical industry; in the manufacture of baking soda‚ sodium bicarbonate; of caustic soda‚ sodium hydroxide; of hydrochloric acid‚ of chlorine etc. It is also used in soap-making‚ and in the manufacture of glaze and porcelain enamel. It also enters metallurgic processes as flu‚ a compound used to assist the fusing of metals. Salt lowers the melting point of water‚ so in combination with
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Paper analysis on the Poem Dulcde et decorum est Wilfred Edward Salter Owen born 8 March 1893‚ died on 4 November 1918. Were an English soldier and poet (one of the leading poet in World War 1). Wilfred Owen was born at Plas Wilmot‚ a house in Weston Lane‚ near Oswestry in Shropshire‚ on 18 March 1893‚ of mixed English and Welsh ancestry. He was the eldest of four children‚ his siblings being Harold‚ Colin‚ and Mary Millard Owen. Line By Line Interpretation Lines 1-2 Beggars used to put everything
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