Test 4: Combustion of iron S + O 2 SO 2 Sulphur dioxide is soluble in water and has an unpleasant and suffocating smell of burnt matches. Elemental sulfur burning in oxygen gas. Sulfur reacts with oxygen in air to form Sulfur dioxide which is a major irritant and one of the causes for acid rain. Sulphur and oxygen react to form either sulfur dioxide or sulfur trioxide, depending on reaction conditions. Flue gas always (almost) contains substantial water vapor (hydrogen in the combustibles combines with oxygen in the combustion air to form H2O). Sulfur dioxide is a heavy, colourless, poisonous gas with a pungent, irritating odour familiar as the smell of a just-struck match. Is burning of sulfur physical change? Burning Sulfur Compounds Sulfur compounds such as hydrogen sulfide (H2S), methyl mercaptan (CH4S) and sulfur (S) burn in the presence of oxygen to produce sulfur oxides (SO2 and SO3) in the flue gas. Insert the spoon with the burning sulfur in Bottle #3 and record your observations. Sulfur burns with a bright blue flame, producing sulfur dioxide gas. Sulfur. (You will find that the video calls this by an alternative name, sulfur(IV) oxide. Occurring in nature in volcanic gases and in solution in the waters of some warm springs, sulfur dioxide usually is prepared industrially by the burning in air or oxygen of sulfur or such compounds of sulfur as iron pyrite or copper pyrite. It burns with a pale blue flame. D. 3 2 0 grams. You just formed SO2, which is a poisonous gas. When finished, extinguish the burning sulfur in the beaker of water provided in the hood. Sulfur burns with a tiny blue flame in air, but a much brighter blue flame in oxygen. Sulfur in a gaseous state mixes with oxygen to form sulfur dioxide, which is hazardous 2. Answer. When you used your torch lighter (who knows why you chose to...), you made a combustion reaction which formed the flame, and some of the Oxygen in the reaction reacted with the Sulfur … Sulfur dioxide gas is produced. The sulfur will first melt, then burn with an almost invisible blue flame. B. 6 4 0 grams. Then insert it in the empty bottle, and again record your observations. The sulfur reacted with the Oxygen in the air. C. 8 0 grams. https://www.sciencephoto.com/media/5050/view/sulphur-burning-in-flask-of-oxygen Health Hazards. What weight of S O 2 can be made by burning sulphur in 5. The equation for this reaction is S + O2 --> SO2. The reaction between sulphur and oxygen is a chemical reaction in which, with gentle heating, sulphur burns in oxygen to produce colorless sulphur dioxide gas. A. 1 6 0 grams. 0 moles of oxygen? About 32*g. This problem uses your understanding of equivalent mass. At this level, the simpler sulfur dioxide is almost always used.) 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