SCIENCE AND COMPUTER STUDIES PHYSICAL SCIENCE DEPARTMENT GENERAL CHEMISTRY I LABORATORY (CHEM210L) S.Y 2013-2014 SCIENTIFIC PAPER CHEMICAL PERIODICITY MARIE JOE A. ALTERADO JUNE 31‚ 2013 CPE32 AUGUST 7‚ 2013 GROUP NO. 1 ENGR. IMELDA C. GALERA ABSTRACT The chemical periodicity was demonstrated by using different samples of Group IA‚ IIA and IVA elements. Each of the samples was placed in a test tubes and the physical state‚ color‚ and appearance
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Victoria Chemicals: The Merseyside Project Executive Summary Victoria Chemicals is facing pressures from investors to improve its financial performances. The plant manager is currently considering whether to accept a GBP 12million initial outlay project to renovate its polypropylene production line at Merseyside plant. The benefit of the plant is the lower energy requirement of production and a greater manufacturing capacity. This report consist a recommendation for the plant manager which consists
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Chemical Reactions What is a Chemical Reaction? Types of Chemical Reactions Redox Reactions Nonredox Reactions Classifying Reactions What is a Chemical Reaction? A chemical reaction is a process in which the identity of at least one substance changes. A chemical equation represents the total chemical change that occurs in a chemical reaction using symbols and chemical formulas for the substances involved. Reactants are the substances that are changed and products are the substances that are
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A chemical bond is an attraction between atoms that allows the formation of chemical substances that contain two or more atoms. The bond is caused by the electromagnetic force attraction between opposite charges‚ either between electrons and nuclei‚ or as the result of a dipole attraction. The strength of chemical bonds varies considerably; there are "strong bonds" such as covalent or ionic bonds and "weak bonds" such as dipole-dipole interactions‚ the London dispersion force and hydrogen bonding
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World’s Chemical Industry 1.1 Scope of the chemical industry. 1.2 Category wise breakdown of the chemical industry. 1.3 Research and development in the chemical industry. 1.4 Classification of the chemical industry development of Pakistan – Vision 2030. CHAPTER 2 Potential for the development of secondary chemical industries based on feedstocks derived from primary industries. 2.1 Feedstocks derived from primary industries for the potential development of secondary chemical industries
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Element: Simplest form of matter to have unique chemical properties. Atom: The smallest particles with unique chemical identities. Nucleus: Center of an atom (composed of protons and neutrons). Proton: Have a single positive charge (+1). Neutron: Have no charge. Electron: Tiny particles with a single negative charge and very low mass (-1)/determines chemical bonding properties of an atom. Atomic Number: Number of protons in the nucleus. Atomic Mass: Approximate number of protons and neutrons
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Midland Chemical Assignment Midland Chemical Co. is negotiating a loan from Manhattan Bank and Trust. The small chemical company needs to borrow $500‚000. The bank offers a rate of 8 ¼ percent with a 20 percent compensating balance requirement‚ or as an alternative‚ 9 ¾ percent with additional fees of $5‚500 to cover services the bank is providing. In either case the rate on the loan is floating (changes as the prime interest rate changes). The loan would be for one year. a. Which loan carries
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CHEMICAL EQUILIBRIUM Reversible reactions and dynamic equilibrium Ammonia (NH3) is an important industrial chemical that is used in the manufacture of fertilisers. It is manufactured by reacting hydrogen with nitrogen. The reaction is said to be reversible and the conversion of reactants to products is never complete. N2 + 3H2 2NH3 A reversible reaction is a reaction which can take place in either direction When the concentrations of the reactants and product have become constant‚ a
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Abstract Chemical equilibrium occurs when a reversible reaction is happening forward and backward‚ at the same time by the same amount‚ is equal. Two procedures were made. First is the Effect of Concentration on Equilibrium. The solution became orange when it was diluted with ammonium hydroxide and the solution became yellow when water was added to the solution. In the second‚ Effect of Temperature on Equilibrium‚ the solution turned into a light brown gas when it was placed in the refrigerator
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Chemical Reactions Chemical Change • reorganization • original substances form new substances with different formulas • may or may not involve a change of state • symbols used to describe chemical reaction are known as a chemical equation • Chemical equations do not have equal signs (=) they have an arrow Chemical Equations • Must follow the Law of Conservation of Matter • atoms can neither be created or destroyed during a chemical reaction • What
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