Answer:
porous = allowing liquid or air to pass through slowly
I hope it's helpful
Answer:
It will depend on the situation to call it either way
Explanation:
Answer:
The limiting reagent is O₂ if 5.2 grams of oxygen was present. The theoretical yield is 17.25g of Fe₂O₃
Explanation:
The reaction is:
4Fe + 3O₂ → 2Fe₂O₃
We convert the mass of each reactant to moles:
12.5 g . 1mol / 55.85g = 0.224 moles of Fe
5.2g . 1 mol/ 32g = 0.1625 moles of oxygen.
We analyse the stoichiometry.
4 moles of Fe react to 3 moles of O₂
Then 0.224 moles of Fe will react to (0.224 . 3)/4 = 0.1678 moles of O₂
I need 0.1678 moles of O₂ and I only have 0.1625. Oxygen is the limiting reactant.
Now we go to the products:
3 moles of O₂ can produce 2 moles of Iron (III) oxyde
Then, 0.1625 moles of O₂ may produce (0.1625 . 2)/3 = 0.108 moles of Fe₂O₃
We convert the moles to mass:
0.108 mol . 159.7g /1mol = 17.25 g
