Hope it helped u . How many moles of oxygen molecules reacted to 2 moles of Mg? Mg+ O2. If helpfull pls brainliest me . Balance the equation. MG+O2=MGO 2 See answers aadhya1234 aadhya1234 Answer: Explanation: Here is ur answer mate . Equation 1 eqn 1. Larvae of -----metamorphose into adults after settling down at bottom of the sea ... Get the Brainly App How many moles of Oz is needed to form 2 moles of Mgo? Atoms in the equation are already in balance. Which balances the equation Mg + O2→ MgO? 2Mg + O2 → 2MgO. The balanced chemical equation is: Mg_((s))+ 2HCl_((aq))rarrMgCl_(2(aq)) + H_(2(g) The reaction between magnesium and hydrochloric acid combine to form a salt of magnesium chloride and release hydrogen gas. pratyushpandey3352 pratyushpandey3352 ... Get the Brainly App Download iOS App 2mg o2 2mgo however as there are traces of moisture in the air a small amount gets. A. For instance equation C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but PhC2H5 + O2 = PhOH + CO2 + H2O will; Compound states [like (s) (aq) or (g)] are not required. Magnesium has an oxidation number of +2, while oxygen has an oxidation number of -2. This single replacement reaction is a classic example of a metal reacting in an acid to release hydrogen gas. In mass is due to the fact that oxygen from the air has combined with the magnesium to make magnesium oxide mgo. Burning magnesium in air means burning it with the oxygen in the air. 3 B. 2 C. 3 D. 6 2. Which explains how to balance the equation ZnSO4 + Li2CO3 → ZnCO3 + Li2SO4? Lexi is balancing equations. A. Use 3.45 grams of magnesium as a starting point and determine how many grams she should have produced in the reaction if she was flawless in her procedure. MG+O2=MGO. 2Mg+O2=MgO. 6 B. The chemical formula for magnesium oxide is MgO, not MgO2. Mg + O2 MgO She starts wih 3.45 grams of magnesium and produces 5.65 grams of magnesium oxide. In any chemical reaction, the quantities that are preserved are the A. number of moles and the volumes. 2 See answers Meww Meww 2Mg + O2 ==> 2MgO Balanced :) yuvi309 yuvi309 2MG + O2 = 2MGO, NOW IT IS BALANCED EQUATION MARK AS BRILLIANT PLZZ. 2 C.6 D. 4 3. 2 Mg(s) + O2(g) → 2 MgO(s) As magnesium (Mg) has a valency of +2, and oxygen (O) has a valency of -2, the ratio would be 1:1, and magnesium oxide would be represented as MgO. For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = XOH + CO2 + H2O will. 1 B. If you do not know what products are enter reagents only and click 'Balance'. Calculate her theoretical yield of magnesium oxide with a stoichiometry calculation. Balance chemical equation. A. Read our article on how to balance chemical equations or ask for help in our chat. How To Balance Equations. I hope this was helpful. MgO. Compound states [like (s) (aq) or (g)] are not required. 3 C. 1 D. 2 4. New questions in Science. When magnesium oxide is burnt in air, an oxidation of the magnesium and reduction of some of the oxygen in the air occurs according to the equation:2 Mg + O2 -> 2 MgO. How many moles of Mg are needed to give 6 moles of Mgo? You can use parenthesis or brackets []. Hence balanced. In many cases a complete equation … 1. This equation isn't balanced we have to balance it Mg in reactant side is-1 Oxygen in reactant side is -2 Magnesium in product side is 1 Oxygen in product side is 1 Now we have to balance it Leavings u down to my answer Right in my picture 3:16 2Mg(s) + O2(g) --> 2MgO(s) ===== Follow up ===== I suppose we do need to point out that it is possible to have an unusual compound which does have the formula MgO2. She is finding one equation to be very difficult to balance. 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