The solubility of oxygen in water is 2.43×10−3mol/dm3 at 250C and 1 atm pressure. Calculate the concentration of oxygen at 250C and 0.2 atm pressure.
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Explanation:
Magnesium Oxide. A compound is a material in which atoms of different elements are bonded to one another. Oxygen and magnesium combine in a chemical reaction to form this compound. After it burns, it forms a white powder of the magnesium oxide. Magnesium gives up two electrons to oxygen atoms to form this powdery product. This is an exothermic reaction as well as combination reaction.
2Mg(s)+O
2
(g)→2MgO(s)+energy
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