Physical & Chemical Properties Data Table 1: Solubility or Reaction Substance Name Color Odor Effect of Heat Cold Water Hot Water Litmus test Dilute HCl Dilute NaOH Mg Silver None None None None Base Fizzes‚ gas‚ increased temperature None Cu Brown None None None None Base None None Zn Silver None None None None Base Fizzes None MgO White Slight odor None None Bubbles Base Dissolves‚ turns yellow‚ increased temperature None CuCO3 Green None Melts
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the level of functional or metabolic efficiency of a living organism. In humans it is the ability of individuals or communities to adapt and self-manage when facing physical‚ mental or social challenges.[1] The World Health Organization(WHO) defined health in its broader sense in its 1948 constitution as "a state of complete physical‚ mental‚ and social well-being and not merely the absence of disease or infirmity. MENTAL HEALTH Mental health is a level of psychological well-being‚ or an absence
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Chemical Properties of Ethylbenzene Property (Condition‚ Method) Synonyms Name Ethylbenzene; benzene; ethylbenzol; phenylethane; etilbenzene; ethylbenzeen; aethylbenzo; ethylobenzen Chemical Formula C8H10 Chemical Structure Table 1.1: The table of chemical properties of Ethylbenzene. Table 1.2 The table of the physical properties of Ethylbenzene. Chemical and Physical Properties of Styrene Property (Condition‚ method) Common Synonym Vinyl Benzene; phenylethene; ethenyl Benzene; cinnamene Molecular
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BIOL 140 Lab—The Chemical Composition of Cells Name ____________________________ I) Introduction All cells contain four major types of macromolecules: carbohydrates‚ lipids‚ nucleic acids‚ and proteins. In today’s lab‚ we will be studying three of the four-proteins‚ carbohydrates and lipids. Various chemical tests can be used to detect the presence of each of these molecules. Most of the tests involve a color change visible to the eye. If a color change is observed‚ the test is considered positive
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Interatomic Bonding Tutorial Suggested Solutions 1. |Substances |Type of bonding |Type of structure | |H2O |Covalent |Simple molecular | |SiCl4 |covalent |simple molecular | |RbCl |ionic |giant lattice/ionic | |Si |covalent
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* * Yogi’s Minimum * Case 08-4 * * Background * * A public utility company‚ Big Bear Power‚ has signed a 10-year non-cancelable lease from Goliath Company for a combustion turbine. The lease agreement is signed on December 15‚ 2004 and Big Bear has the right to use the turbine as of January 1‚ 2005. * Annual lease payments are $1 million per year‚ payable ratably over 12 months at the beginning of each month‚ according to the lease agreement. The minimum rent
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I did this lab to find out the differences between chemical and physical changes. I also did this lab to learn the signs that would indicate the chemical reactions and physical changes. I needed to learn the odor change‚ color change‚ bubbles or gas‚ irreversible‚ temperature changes and finger prints. By the end of the lab‚ my goal was to be able to didtinguish easily the difference between chemical and physical changes. Question #1 answer. 1. Gas. 2. Dissolved in water. 3
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Physical examination Definition A physical examination is the evaluation of a body to determine its state of health. The techniques of inspection include palpation (feeling with the hands and/or fingers)‚ percussion (tapping with the fingers)‚ auscultation (listening)‚ and smell. A complete health assessment also includes gathering information about a person’s medical history and lifestyle‚ conducting laboratory tests‚ and screening for disease. These elements constitute the data on which a diagnosis
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Traumatic stress is a completely normal reaction to traumatic events‚ such as an automobile accident‚ a shooting‚ a natural disaster‚ a plane crash or a terrorist attack. These types of events are extremely stressful for everyone involved‚ including the survivors and the family members as well as the witnesses. A traumatic event can be and typically is a turning point in your life. These events generally happen at unexpected times and can be extremely difficult to overcome. If you have previously
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Chemical Bonding and Structure In his essay I will be discussing the scientific background and explanation of chemical bonding and structure‚ I will also be describing the method of injection molding and its benefits and limitations and how it is superior to the previous methods of making plastic. Finally I will also list the implication effect of plastic and its effect (economically and environmentally) A chemical bond is the result of a lure (attraction) between atoms or ions
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