In the reaction 2H2+O2→2H2O, how many moles of hydrogen are required to fully react with 8 mol of oxygen?

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explanation:

a electronegativity decreases beacuse the size of nucleus is bigger.

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.