The chemical equation below is correctly balanced. 4 Al + 3 O2 → 2 Al2O3

How many moles of Al2O3 will be formed when 27 grams of Al reacts completely with O2?

Agas mixture with a total pressure of 745 mmhg contains each of the following gases at the indicated partial pressures: co2, 245 mmhg ; ar, 119 mmhg ; and o2, 163 mmhg . the mixture also contains helium gas. part a what is the partial pressure of the helium gas? phe p h e = nothing mmhg request answer part b what mass of helium gas is present in a 10.2-l sample of this mixture at 283 k ? m m = nothing g request answer

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

How do you convert 4 mmol of bromobenzene to ml?