Given the following equation: 4 Fe + 3 02 → 2 Fe2O3 What mass of iron is needed to react with 12 grams of oxygen gas?*

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm