THE MICROSCOPE • Vol. 60:2‚ pp 63–72 (2012) C R I T I C A L FOCUS Brian J. Ford Solving the Mystery of Spontaneous Human Combustion L human combustion (SHC) ast November‚ a 42has been well docuyear-old man was In a matter of minutes‚ people have mented‚ and television has standing outside a record sought to demonstrate an store in Sweden‚ appar- burst into flames and were completely answer. But in the scienently waiting for someone. destroyed. All that remained was a heap
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Spontaneous Human Combustion‚ also known as SHC‚ is a type of fire that is mysterious and unexplainable. Many scientists tried to determine if it is real. SHC is when a person bursts into flames from a chemical reaction from an external source. Spontaneous means the fire spreads quickly. Combustion means the process of burning. Most of its victims are elderly and overweight. Also most of the victims were alone at their house. A lot of people think it is a false mystery. This is a controversial topic
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Spontaneous Human Combustion Spontaneous Human Combustion(SHC) pertains to the burning of a person’s body occurring without an outside source of ignition. The characteristics of SHC varies form different cases but most of the time evidences gathered are more likely show similar clues which we can relate to other SHC cases. Now‚ the evidences gathered are as follows; the victim is an elderly‚ the furniture around the victim stayed untouched‚ a part of the ceiling above the victim was damaged
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Explosives A chemical explosive is a compound or a mixture of compounds susceptible of a rapid chemical reaction causing a quick physical outburst of gases or heat radiation. The first explosives were created by the Chinese in the 11th century. These were mixtures of nitrate salts‚ sulfur and charcoal‚ now known as black powder. Gunpowder which is a low explosive‚ exhibits deflagration‚ or rapid burning‚ rather than detonation‚ the reaction exhibited by high explosives. While‚ perhaps counterintuitively
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Explosives TNT C6H2(NO2)3CH3 → 6CO + 2.5H2 + 1.5N2 + Definition: A chemical that causes a sudden‚ almost instantaneous release of pressure‚ gas‚ and heat when subjected to sudden shock‚ pressure‚ or high temperature. Types: Low explosives- This includes gun powder‚ and flares. They are usually a mixture or a combustible substance and an oxidant the decomposes rapidly. This is used as a propellant. Ex// firing a gun. High explosives: This is used in mining‚ demolition and military warheads
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DELHI PUBLIC SCHOOL‚RANIPUR‚HARIDWAR LESSON 6:COMBUSTION AND FLAME DATED:24.07.14 1 COMBUSTION: When a substance combines readily with oxygen to give heat and (light) it is called combustion. 2 COMBUSTILE SUBSTANCE: A substance which burns easily to give heat it is said to be combustible. For ex. Wood ‚paper 3 FUEL: A substance that is burnt for obtaining heat and light is called a fuel. Carbon based fuel: wood ‚coal‚wax ‚petrol etc. Non carbon based fuel: hydrogen 4 CHARACTERISTICS OF AN
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04.05 Chemical Reactions: Combustion: Lab Worksheet and Rubric Before You Begin: You may either copy and paste this document into a word processing program of your choice or print this page. Procedure: 1. Iron (III) and copper (II) sulfate solution 2. Fill a small test tube halfway with copper (II) sulfate solution. Add a 2.0 gram iron rod to the solution and observe the reaction. 3. 4. 5. Lead (II) nitrate and potassium iodide solutions 6. Pour about 2.0 mL of lead (II) nitrate into the test tube
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Spontaneous Pneumothorax 1 Spontaneous Pneumothorax Lacey Shelton Professional Role Development Middle TN State University Spontaneous Pneumothorax 2 Kevin is a healthy nonsmoking 18 year old male who was 6 ’2" and weighed about 145 pounds. On May 16th‚ 2001 he was sitting in his high school chemistry class when he started getting hot and sweaty. He got up and went to the water fountain when he started noticing right arm pain. When he returned to the class room the teacher told him
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Unit 1 Assignment: Critical Terms Study Guide FS101: Fire Behavior and Combustion Unit 1 Unit 1 Assignment: Critical Terms Study Guide Auto-ignition temperature The minimum temperature to which a material must be raised before combustion will occur. Also called “ignition temperature.” Backdraft A sudden‚ violent reignition of the contents of a closed container fire that has consumed the oxygen within the space when a new source of oxygen is introduced. The introduction of
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Heat of Combustion Questions 1. When bonds are broken‚ energy is required. When bond are formed‚ energy is released. All combustion reactions are exothermic. Suggest a reason for this in terms of the bonds broken and bonds formed. The energy required to break the bonds is greater than the energy required to form. 2. Explain why the heat of combustion of alkanols increases as the length of the carbon chain increases. The heat of combustion of alkanol increases as the length of carbon chain
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