In the reaction 2H_2 + O_2 ightarrow 2H_2O, how many moles of hydrogen gas (H_2) are required to react completely with 6.28 mol of oxygen gas (O_2)?

Hexane (C6H14) combusts according to the equation: 2 C6H14 + 19 O2 → 12 CO2 + 14 H2O. How many moles of hexane (C6H14) must burn to produce 18.4 mol of carbon dioxide (CO2)?

In the reaction of potassium permanganate (KMnO4) with oxalic acid (C2H2O4) to produce carbon dioxide (CO2), how many moles of KMnO4 are consumed to form 0.886 moles of CO2? (Assume the balanced equation: 2 KMnO4 + 5 C2H2O4 + 3 H2SO4 → 2 MnSO4 + K2SO4 + 10 CO2 + 8 H2O)

In the reaction 2 H2S + O2 → 2 S + 2 H2O, which species has the greatest rate of appearance?

When 26.5 mol of aluminum oxide (Al_2O_3) are decomposed according to the reaction 2 Al_2O_3 → 4 Al + 3 O_2, how many moles of oxygen gas (O_2) are produced?

In the reaction 2 H_2 + O_2 → 2 H_2O, how many moles of water (H_2O) are produced from 13.35 mol of oxygen (O_2)?

Given the reaction: 2 FePO4 + 3 Na2SO4 → Fe2(SO4)3 + 2 Na3PO4, what is the theoretical yield (in grams) of Fe2(SO4)3 if 20.00 g of FePO4 reacts with excess Na2SO4?

Given 10.0 g of PCl3 and 12.0 g of Cl2, what mass of PCl5 can be produced according to the reaction PCl3 + Cl2 → PCl5, assuming the reaction goes to completion?

If you have 1.21 kg of pure aspirin, how many 81 mg low-dose aspirin tablets can be produced from this amount?