Chemistry Chemical Reactions Chemical Equations. White phosphorus(P4) reacts with oxygen to form a variety of molecular compounds, inc. diphosphorus pentoxide. Explanation: phosphorus is kept in bottle to prevent it's oxidation. Reactions with water. Give the balanced chemical reaction. Sodium. As we have said, the metals in the same group will react in the same way as each other with oxygen. Therefore, the balanced equation for Phosphorus + Oxygen > Diphosphorus Pentoxide is P4 + 5 O2 > P4 O10.Phosphorus Phosphorus has the atomic number 15, and is a non-metal that belongs to the nitrogen group. Answer: PO2. To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. Nitrogen gas and hydrogen gas form ammonia (NH3) 4. carbon dioxide and ammonia react to form OC(NH2)2 and water 5. Use uppercase for the first character in the element and lowercase for the second character. Phosphorus is by far the most reactive of the pnicogens, forming binary compounds with every element in the periodic table except antimony, bismuth, and the noble gases. What is the chemical equation for this reaction: Solid phosphorous, oxygen gas, and heat yield solid diphosphorous pentoxide? Phosphorus reacts rapidly with O 2, whereas arsenic burns in pure O 2 if ignited, and antimony and bismuth react with O 2 only when heated. P 4 (s) + 4I 2 (g) → 2P 2 I 4 (g) Reaction of phosphorus with acids. Magnesium has a very slight reaction with cold water, but burns in steam. Alumnium and iron(II) oxide react to form aluminum oxide and pure iron 6. The reactants' side contains four atoms of phosphorus, 4 xx "P" two atoms of oxygen, 2 xx "O" The products' side contains four atoms of phosphorus, 4 xx "P" ten atoms of oxygen, 10 xx "O" Notice that the atoms of phosphorus are already balanced, since you have four on each side of the chemical equation. Sodium has a very exothermic reaction with cold water producing hydrogen and a colourless solution of sodium hydroxide. Magnesium. The chemical equations also show similarities. problems: 1. phosphorus pentachloride reacts with water to form hydrogen chloride and hydrogen phosphate 2. iron and water react to form Fe3O4 and hydrogen gas 3. The balanced equation will appear above. the chemical equation of phosphorus burns in oxygen to form diphosphorus trioxide is given below .4P+5O2 -> 2P2O5P stands for phosporous .10 atoms of Oxygen.on the … Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. The same compound is formed in the reaction between red phosphorus and iodine, I 2, at 180°C. Answer to: Phosphorus reacts with oxygen gas to produce diphosphoroous pentoxide. What is the oxidation number for P and O on both sides of the reaction? Answer (1 of 5): The chemical annotation for phosphorus is P, whilst for oxygen it is O. 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