How many grams of Al2O3 are required to react completely with 1500.0 kJ of heat? 2Al2O3 (s) + 3352 kJ → 4Al (s) + 3O2 (g)

answers

91.29 grams

2 grams

45.64 grams

1500 grams

Compute the ionization energy for a single atom of hydrogen

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What quantum numbers specify a 5p orbital?

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To what chemical reaction class does this reaction belong? 2 mg (s) + o2 (g) 2 mgo (s)

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Express in scientific notation (6.0x10^4) (3.1x10^-1)

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