Glysdi Lin P. Martin Grade-V Bais City-Special Science Elem. School October‚11‚2013 Activity 2 I Problem: Identifying the products of chemical change. II Hypothesis: I think that the chemical change is an irreversible process. The wet iron filings by the next day it will turn into rusting material because it is exposed to the atmosphere. While the dry iron filings is not III Materials: The setup in the previous activity‚ small plate‚ dry iron filings. IV Procedure: 1. Place the
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Biological and Chemical Outline Biological and chemical warfare has been around since the beginning of time. From poison tipped arrows to purposely transmitting smallpox to individuals. There has been ongoing political conflict on biological and chemical warfare for quite some time for legitimate reasons too. Biological and chemical warfare is very deadly and sometimes inhumane‚ but on the other hand it is very cost efficient and is very effective at doing its job. Biological and chemical warfare
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Observation of Chemical Change Course: General College Chemistry Purpose This experiment examines the reactions of common chemical s contained in consumer products. The purpose is to observe the macroscopic changes that these chemicals undergo. The goals of the experiment observe properties of chemical reactions and to associate chemical properties with household products. Procedure We do not have the ability to see with a naked eye individual atoms and molecules reacting during chemical changes
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UV2493 Version 1.5 DIAMOND CHEMICALS PLC (A): THE MERSEYSIDE PROJECT Late one afternoon in January 2001‚ Frank Greystock told Lucy Morris‚ “No one seems satisfied with the analysis so far‚ but the suggested changes could kill the project. If solid projects like this can’t swim past the corporate piranhas‚ the company will never modernize.” Morris was plant manager of Diamond Chemicals’ Merseyside Works in Liverpool‚ England. Her controller‚ Frank Greystock‚ was discussing a capital project that
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Sample Paper – 2012 Class – X Subject –Chemistry Chemical Equations and reactions Very Short Answer (1 marks each) Write the name and formula of compounds forms between a. Potassium and iodine ion .b.Sodium and sulphide ions . c. Aluminums and chloride ions 2. Why does milk sour when kept for a long time/ 3. What happen when hydrogen combine with oxygen in presence of electric current/ 4. Define electrolysis. 5. What is decomposition reaction? Give an
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Anorexia nervosa (AN): an eating disorder characterized by an in ability to maintain normal weight‚ an intense fear of gaining weight‚ and distorted body perception. Clinicians diagnose an individual with anorexia nervosa when he or she shows three basic types of symptoms: severely restricted eating‚ which leads the person to have an abnormally low body weight‚ intense and unrealistic fear of getting fat or gaining weight‚ and disturbed self-perception of body shape or weight. In other words people
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parasympathetic nervous system (PNS) generally slows down everything but digestion. Signals from the SNS cause the heart rate to _________‚ while signals from the PNS cause the heart rate to ___________. Signals from the SNS cause smooth muscles of the intestine to _________ contractions‚ while signals from the PNS cause these muscles to _________ contractions. Signals from the SNS also cause the adrenal gland to _________ epinephrine and norepinephrine. 3. Neurons
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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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Autoimmune Disorders Dr. Frances Angelique A. Tequillo Cebu Doctors’ University Definitions: * group of >80 serious‚ chronic illnesses * underlying problem is the samefor all * immune system is misdirected * body attacking its own self * 4th largest cause of disability (Europe & the US) * Demonstration of: * immunoglobulins * autoantibodies * cytotoxic T * cells * self antigens * auto-antigens 1.persistent activation of immunologic
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------------------------------------------------- As many as 19 million Americans million are affected by mood disorders ( The two main types of mood disorders are bipolar disorder and major depressive disorder which are described as disturbances in mood‚ behavior and emotion.“ Bipolar disorder is a complex disorder in which the core feature is pathological disturbance in mood ranging from extreme elation‚ or mania‚ to severe depression usually accompanied by disturbances in thinking and behavior‚
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