why do most polymer blends exhibit lower critical solution temperatures rather than a uppper critical solution temerature

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

Categorize them by metal, nonmetal, in periodic tableductilenon-ductilemalleableoften gain electrons easilygood conductorpoor conductorcan be liquidselements

Use the periodic table to determine how many grams of oxygen would be required to react completely with 859.0 g c2h2