Phosphoric acid, which is commonly used as rust inhibitor, food additive and etching agent for dental and orthopedic use, can be synthesized using a two-step thermal process. In the first step, phosphorus and oxygen react to form diphosphorus pentoxide: PĄ(1)+5 0,(g)→2P,0;(9) In the second step, diphosphorus pentoxide and water react to form phosphoric acid: P,0;(9)+3 H,O(1)–→2H;PO4(1) Write the net chemical equation for the production of phosphoric acid from phosphorus, oxygen and water. Be sure your equation is balanced.

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