1. How many grams of potassium oxide (K, O) will be formed when 25 grams of potassium reacts with oxygen according to the following reaction:
4K + 0, -26,0

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Is a pencil falling to the floor anon contact force, a force, or a contact force

Which statement justifies that hydrogen peroxide (h2o2) is a polar molecule? the o – h bond is nonpolar and the molecule is asymmetric. the o – h bond is nonpolar and the molecule is symmetric. the o – h bond is polar and the molecule is asymmetric. the o – h bond is polar and the molecule is symmetric.