Which value represents the first ionization energy of a nonmetal? a: 497.9 kj . b: 577.4 kj c: 811.7kj d: 1000. kj

How many grams of aluminum will there be in 98g of al2o3?

Which are forms of frozen water? check all that apply. dew frost hail rain sleet

Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?