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How many grams of magnesium and oxygen react to form 20 g of magnesium oxide?
Balanced Formula:2Mg + O2 --> 2MgOMole ratio:2 : 1 : 2Givens:.486 g oxygen.738 g magnesium24.3 g = atomic mass of magnesium16.0 g = atomic mass of oxygen40.3 g = molecular mass of magnesium oxideFind the amount (in moles) of Magnesium oxide that oneelement will make:(.486 g O) / (16.0 g O) × (2 moles MgO)= .0608 moles MgO(.783 g Mg) / (24.3 g Mg) = .0322 moles MgOThere is less MgO produced with magnesium than oxygen; therefore, magnesium is the limiting reactant and the oxygen is the excess reactant. The magnesium determines how much Magnesium oxide is produced. It would be good to get .0608 moles of MgO, but there isn't enough magnesium. So the amount of MgO produced will be determined on the amount of Magnesium.Convert moles of MgO produced with the amount of oxygen to grams:.0322 mol MgO (40.3 g) = 1.30 grams of MgO produced--------------------------------------------------------------------------------------------------------You will need 3 moles of oxygen if you start with six moles of magnesium. This will allow you to produce 6 moles of magnesium oxide.Source: (e2020)
Which is true of the reaction below 2H2 plus O2 2H2O?
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Is this chemical equation considered a combustion reaction and if yes why 4Na plus O2 equals 2NaO2?
4Na+O2=2Na2O? That must be the equation... Im not sure what you're asking... But, in a combustion reaction, something reacts with oxygen gas (O2). In this equation sodium is reacting with oxygen... So, yes, this is a combustion reaction.
What is the role of KOH in the preparation of potassium manganate?
KOH is the reactant in this reaction:2 MnO2 + 4 KOH + O2 = 2 K2MnO4 + 2 H2O
What area of science does rust pertain to?
The question is a little vague, but rust could be categorised under chemistry as rust is a chemical reaction between oxygen (O2) and water (H2O)
The chemical formula of the product formed from the reaction between Mg and O2 is?
This compound is the magnesium oxide, MgO.
Write a balanced symbol equation for the reaction between magnesium and oxygen to form magnesium oxide?
I'm not entirely sure but an unbalanced equation is: Mg + O2 -----> MgO
If Mg reacts with O the compound is MgO?
The reaction is between Mg and O2. 2Mg+O2->2MgO
How many atoms of oxygen are there on each side what chemical equation 2 Mg O2 -- 2 MgO?
There are two atoms of oxygen on each side.
Symbol equation for magnesium?
The symbol equation for the reaction of magnesium with oxygen to form magnesium oxide is: 2Mg + O2 -> 2MgO
What is the balanced equation for magnesium with molecular oxygen?
2Mg + O2 --------> 2MgO
The number of moles of MgO produced when 0.200 mol of O2 reacts completely with magnesium is?
The balanced chemical equation for the reaction is: 2 Mg + O2 → 2 MgO. This means that for every 1 mole of O2, 2 moles of MgO are produced. Therefore, if 0.200 mol of O2 reacts completely, it will produce 0.400 mol of MgO.
Why is 2 Mg O2 equals 2 MgO is not a combustion reaction?
The reaction 2 Mg + O2 -> 2 MgO is indeed a combustion reaction, where magnesium (Mg) reacts with oxygen (O2) to produce magnesium oxide (MgO). Combustion reactions are characterized by rapid reactions with oxygen, resulting in the release of energy in the form of heat and light. In this case, magnesium undergoes combustion to form magnesium oxide.
What are observation when Mg react with O2?
When magnesium (Mg) reacts with oxygen (O2), a vigorous exothermic reaction occurs, producing magnesium oxide (MgO) as the product. The magnesium metal undergoes oxidation, forming a white powdery residue of magnesium oxide. The reaction is accompanied by a bright white light as the magnesium burns in the presence of oxygen.
Balance the equation mg no3 2 forms mgo plus no2 plus o2?
Balanced Equation: 2Mg(NO3)2 = 2MgO + 4NO2 + O2
What type of chemical reaction is the burning of magnesium?
Oxidation reaction 2Mg + O2 ----------- 2MgO
What is the volume of oxygen that will be used by 12g of Mg to be completely converted into MgO?
The reaction : Mg + O2-----------> MgO The balanced reaction : 2 Mg + O2-----------> 2 MgO that is 2 moles of Mg reacts with one mole of oxygen gas. moles of Mg reacted = 12 g / 24 g mol-1=0.5 mol. Thus the no. of mol of O2 reacted = 0.5 mol /2 =0.25 mol If the gas is at standard temperature and pressure, then Volume of 1 mol of O2 gas = 22.4 dm3 Volume of 0.25 mol of O2 gas = 22.4 x 0.25 dm3= 5.6 dm3 the volume of oxygen that will be used to react completely with 12 g Mg =5.6 dm3 (provided that the gas is at the standard conditions.)
