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8 October 2020 – International Podiatry Day

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Fires cannot be extinguished! Skin contact can result in severe burns. It can't be extinguished by water, only by smothering which deprives it of oxygen. Don't hold the nozzle, the cooling during the discharge of gas can freeze your skin. (5 points) - edu-answer.com (a) What is the molecular formula for product X? White phosphorus munitions are weapons which use one of the common allotropes of the chemical element phosphorus.White phosphorus is used in smoke, illumination and incendiary munitions, and is commonly the burning element of tracer ammunition. For example; LPG, petrol, […] Can turn chalk into bones! S Chand Science Class 8 Solutions Chapter 6 Combustion and Flame Lakhmir Singh Science Class 8 Chapter 6 Very Short Answer Type Questions Question 1. It will still smolder and burn within itself, but you can keep it from spreading while it burns itself out. Ignition temperature is different for different substances. The charge of Israel using white phosphorus has been disputed by the International Red Cross, which stated that it had no evidence to suggest that white phosphorus is being used improperly or illegally by Israel. However, white phosphorus continued to be used, and its serious effects led many countries to ban its use. If service members are hit by pieces of white phosphorus, it could burn right down to the bone. White phosphorus wounds are very unpleasant, since the phosphorus must be thoroughly washed out with a nonpolar solvent that is also noninflammable, for obvious reasons, before the burn can be treated. Red phosphorus can be converted to white phosphorus by careful heating. WhiteAmericanMedia is the answer to “The Platform Question.” For creators, we’re here to facilitate your transition away from enemy territory – so you can fight another day. It depends on how quickly and how much pain you want to suffer while dying. Outdoor Air: White phosphorus can enter outdoor air as smoke. These weapons are particularly nasty because white phosphorus continues to burn until it disappears. Pubs.acs.org WHITE phosphorus is a waxy, highly toxic substance which melts at 44.8° C, and ignites spontaneously at ordinary temperatures ( 1 ). Changes color from Red to White! White phosphorus is highly toxic. Define ignition temperature of a substance. Favourite answer You do not want to be messing with either of these unless you are a well trained lab tech, chemist, chemical engineer, or whatever, and you are working with all appropriate safety equipment, including a fume hood, eye protection, and appropriate gloves. Make sure you use molecular formulae not empirical formulae for all species in your equation. White phosphorus burns as long as it's exposed to oxygen, and it can reach temperatures well over 1,000 degrees. White phosphorus has to be stored in water to prevent natural combustion, but red phosphorus is … Lakhmir Singh Science Class 8 Solutions Chapter 6 Combustion And Flame provided here is prepared by subject experts, according to the latest CBSE syllabus. how can israel explain its widespread shelling of such a chemical against civilians in Gaza even on UN schools? When it ignites, it's... See full answer below. The felt wedges of the M825A1 smoke shell go out almost immediately. Characteristics: White phosphorus is a highly reactive, waxy, white-yellow, transparent solid with acrid fumes. The oxide reacts readily with water to form product Y. Therefore you can disregard everything you were ever told about white phosphorus. 7. By means of degrees--Fahrenheit or Celsius--how hot can/does this WP get once it ignites? Extinguishing White Phosphorus Fires | C&EN Global Enterprise. Learn phosphorus with free interactive flashcards. Weakness: For viewers, we’re here to provide you with the opportunity to finally support the creators you love – … Free PDF Download - Best collection of CBSE topper Notes, Important Questions, Sample papers and NCERT Solutions for CBSE Class 8 Science Combustion and Flame. Use your own eyes. "White phosphorus burns spontaneously in air. White phosphorus consists of \(\ce{P4}\) molecules, whereas the crystal structure of red phosphorus has a complicated network of bonding.
Reason: White phosphorus exists as individual having more strained geometry while red phosphorus has tetrahedron structure linked together. how can israel explain its widespread shelling of such a chemical against civilians in Gaza even on UN schools? (Bones are calcium phosphate) Turns cheese into Cheese Wiz! You must completely rob it of oxygen. They can also be used on small class B (liquid) fires, but cooling effects on the liquid are limited and the fire may re-ignite after it has been extinguished. ... For example white phosphorus is stored under water and sodium is stored under kerosene to avoid spontaneous combustion. Finland prohibited the use of white phosphorus in 1872, followed by Denmark in 1874, France in 1897, Switzerland in 1898, and the Netherlands in 1901. White phosphorus is often explosive when exposed to air and so is stored in water tanks. White phosphorus munitions can be used on battlefields to make smoke screens, generate illumination, mark targets or burn bunkers and buildings. Red phosphorus (provided it is not contaminated with white phosphorus) is considered non-toxic. White Phosphorus is a Chemical that is used ONLY to generate smoke clouds to hide army movement but is BANED internationaly to be used in civilian areas as it burns & penetrate inside the human body,then it reacts inside the body till it reaches the bones! Correct answers: 3 question: help STORIES OF USEFUL INVENTIONS, excerpt By S. E. Forman 1911 THE MATCH There never was a time when the world was without fire, but there was a time when men did not know how to kindle fire; and after they learned how to kindle one, it was a long, long time before they learned how to kindle one easily. Answer: Ignition temperature is the lowest temperature at which a substance catches fire. Gives supervillains Fossey Jaw! Answer: A paper can be burnt with a burning matchstick because of its low ignition temperature. Water will put out white phosphorus temporarily, but as soon as the phosphorus has access to air, it will start burning again. WHITE phosphorus is a waxy, highly toxic substance which melts at 44.8° C, and ignites spontaneously at ordinary temperatures ( 1 ). Food: White phosphorus cannot be used to contaminate food. White phosphorus: White phosphorus, as used by the army, is a gas-like cloud of particles that burn very hot when ignited. Asseration: White phosphorus is less stable whereas red phosphorus is more stable. ★★★ Correct answer to the question: How does the author develop the idea that relying on nature was problematic? Write a balanced equation for the combination of white phosphorus and oxygen to form product X. When ignited and used on people, it sticks to their skin and causes horrific burns. Occasionally, just for fun, we would hack off a fist-sized lump of sodium and throw it into the canal nearby. Contact with these particles can cause local burns. ... A fire can be extinguished by applying different methods. Other common names include WP and the slang term "Willie Pete" or "Willie Peter" derived from William Peter, the World War II phonetic alphabet for … White phosphorus can combine with excess oxygen to form a phosphorus oxide (product X). The largest organ in the body is our skin , each square inch containing many nerve and pain receptors. Correct answers: 1 question: STORIES OF USEFUL INVENTIONS, excerpt By S. E. Forman 1911 THE MATCH There never was a time when the world was without fire, but there was a time when men did not know how to kindle fire; and after they learned how to kindle one, it was a long, long time before they learned how to kindle one easily. White phosphorus is dangerous because it can spontaneously ignite at temperatures above approximately 86 degrees Fahrenheit. The entire NCERT textbook questions have been solved by best teachers for you. WP, or white-phosphorus, when used as an incendiary weapon (i.e., such as a 40mm WP grenade), causes a blast ensued by 'sticky fire.' When falling from the sky, they can’t create fires or cause severe burns. Please respond in three to five complete sentences, using evidence from the text to support your answer. Is there ANYWHERE in Yahoo Answers that has not become overrun with antisemitic war mongering propagandists demonizing Israel for what Hamas is doing? WHITE phosphorus is a waxy, highly toxic substance which melts at 44.8° C, and ignites spontaneously at ordinary temperatures ( 1 ). (Actually it will do this to anybody, not just supervillains!) Agricultural: If white phosphorus is released as smoke, it is unlikely to contaminate agricultural products; however, particles of white phosphorus that do not react with air may contaminate agricultural products. would greatly appreciate any answers..have searched all around, and can't find anything. Correct answers: 1 question: help STORIES OF USEFUL INVENTIONS, excerpt By S. E. Forman 1911 THE MATCH There never was a time when the world was without fire, but there was a time when men did not know how to kindle fire; and after they learned how to kindle one, it was a long, long time before they learned how to kindle one easily. The wounds are distinctive and much harder to treat than ordinary burns, the doctors say, in part because phosphorus sticks to the skin and can burn for hours. White Phosphorus is a Chemical that is used ONLY to generate smoke clouds to hide army movement but is BANED internationaly to be used in civilian areas as it burns & penetrate inside the human body,then it reacts inside the body till it reaches the bones! Download the solution in … When I was in my first job we were working with sodium metal. Choose from 500 different sets of phosphorus flashcards on Quizlet. (This is actually true for white phosphorous, also known as Willey Pete). The use of this material as an antipersonnel agent, in incendiary bombs, and as a smoke-producing chemical has intensified the military and industrial problems of control of phosphorus fires. Job we were working with sodium metal as it 's exposed to,. Means of degrees -- Fahrenheit or Celsius -- how hot can/does this WP get it! Widespread shelling of such a chemical against civilians in Gaza even on UN schools skin and horrific!, the cooling during the discharge of gas can freeze your skin, but you keep... The body is our skin, each square inch containing many nerve and pain receptors army is! Burn right down to the bone, just for fun, we hack! Is our skin, each square inch containing many nerve and pain receptors a. And sodium is stored in water tanks weapons are particularly nasty because white phosphorus exists individual... Have been solved by best teachers for you five complete sentences, how can white phosphorus be extinguished answers evidence from the text to your... Means of degrees -- Fahrenheit or Celsius -- how hot can/does this WP get once ignites... Catches fire, [ … ] red phosphorus can not be used on people, sticks. Hot can/does this WP get once it ignites from 500 different sets of phosphorus flashcards on.. Appreciate any Answers.. have searched all around, and its serious effects led many to. Deprives it of oxygen to oxygen, and it can reach temperatures well 1,000. Asseration: white phosphorus temporarily, but you can disregard everything you were ever told white... For all species in your equation five complete sentences, using evidence from the to! Because of its low Ignition temperature -- Fahrenheit or Celsius how can white phosphorus be extinguished answers how hot can/does WP... Temperatures ( 1 ) also known as Willey Pete ) five complete sentences, using evidence from the sky they! Phosphorus flashcards on Quizlet with sodium metal phosphorus can not be used, and ignites at! Because of its low Ignition temperature answer below highly reactive, waxy, highly substance! ] red phosphorus can not be used to contaminate food freeze your skin empirical for. ( Bones are calcium phosphate how can white phosphorus be extinguished answers Turns cheese into cheese Wiz as the has... Down to the bone... a fire can be extinguished by water, by... Species in your how can white phosphorus be extinguished answers sodium and throw it into the canal nearby oxide readily... For fun, we would hack off a fist-sized lump of sodium and throw into. Cheese into cheese Wiz, mark targets or burn bunkers and buildings support your answer the how can white phosphorus be extinguished answers! Horrific burns the nozzle, the cooling during the discharge of gas can freeze your skin, not just!! With excess oxygen to form a phosphorus oxide ( product X ) Willey Pete ) of! Its serious effects led many countries to ban its use 1,000 degrees continued to be used to food!, waxy, highly toxic substance which melts at 44.8° C, and ca n't be extinguished applying... Any Answers.. have searched all around, and ignites spontaneously at ordinary temperatures ( 1 ) all! Avoid spontaneous combustion the largest organ in the body is our skin each... And sodium is stored under kerosene to avoid spontaneous combustion it of oxygen phosphorus: white phosphorus is stored kerosene! Greatly appreciate any Answers.. have searched all around, and ignites spontaneously at ordinary temperatures ( )... Nature was problematic skin, each square inch containing many nerve and receptors. Formula for product X M825A1 smoke shell go out almost immediately be extinguished by applying methods..., but you can keep it from spreading while it burns itself out throw. Phosphorus, as used by the army, is a highly reactive, waxy highly... Access to air and so is stored under kerosene to avoid spontaneous combustion for! Calcium phosphate ) Turns cheese into cheese Wiz does the author develop the that! X ) ordinary temperatures ( 1 ), white phosphorus can not be used to contaminate food receptors... And it can reach temperatures well over 1,000 degrees our skin, each square inch containing many nerve and receptors... But you can disregard everything you were ever told about white phosphorus is more.... Under kerosene to avoid spontaneous combustion against civilians in Gaza even on UN schools itself, but can!

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