In the first reaction‚ magnesium was burned to produce magnesium oxide. The reaction produced a bright light‚ which is evidence of a chemical change. The second reaction occurred as a result of solid magnesium reacting with hydrochloric acid. The reaction produced heat and bubbles‚ both indications of a chemical change. A wood splint was used to determine that the gas produced was hydrogen gas‚ hence the other product is magnesium dichloride. In the third reaction‚ ammonium carbonate was heated to
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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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required the successful identification of two unknown substances through experimental testing on a selective collection of materials and equipment. For the first substance (which will be either tin or aluminium)‚ two tests shall be done to ensure a decisive and educated decision onto what the substance is. The first step utilizes the dramatic difference in density between the two substances by measuring the volume and mass of the unknown substance. By calculating the volume (through displacement of
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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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EXPERIMENT NO. 9 CHEMICAL EQUILIBRIUM Audrey De Castro FCD3‚ Group 9‚ Ms. Sarah Sibug Kristine Tavares March 27‚ 2014 I. ABSTRACT Chemical equilibrium is mostly involved in industrial processes such as synthesis of ammonia
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This past week in class we discussed substance abuse disorder‚ this can be diagnosed as someone who has a dependency on a substance which leads to distress in one’s well-being. Recently‚ the famous actress and musical artist Demi Lovato‚ released a documentary informing others of her past drug use problem and the distress it caused throughout her life. Substance abuse disorder is very prominent in our society and Lovato’s documentary helps spreads awareness of this situation. The star is currently
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Chemical Bonding Chemical compounds are formed by the joining of two or more atoms. A stable compound occurs when the total energy of the combination has lower energy than the separated atoms. The bound state implies a net attractive force between the atoms ... a chemical bond. The two extreme cases of chemical bonds are: Covalent Bonds Covalent chemical bonds involve the sharing of a pair of valence electrons by two atoms‚ in contrast to the transfer of electrons in ionic bonds. Such bonds lead
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Substance abuse considered as a strong risk factor for non-adherence among patients with mental illness‚ the MHN would have to make a treatment plan addressing his cannabis use and that will help him long term. It is significant to assess the patient for substance use to know how much and how long they have been using and to encourage them to seek treatment (Macaluso & Mcknight‚ 2013). Different screening‚ diagnosis‚ and treatment for substance abuse are important. A combination of Psychopharmacological
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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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negative way to deal with their daily lives and that way is in the form of substance abuse and/or addiction. This kind of destructive behavior is a global problem and I don’t think people will ever realize the harm that it brings. Sometimes there is misunderstandings between substance abuse and substance addiction and the two often get their definitions mixed up‚ even though there may be some bit of overlapping. Substance abuse doesn’t consist of drug tolerance as a factor. It refers to an
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