Which of the following is a valid mole ratio from the balanced equation 2Fe2O3 + 3C – 4Fe + 3CO2? 2mol FeO,
4 mol Fe
4 mol C
3 mol Fe
3 mol C
4 mol CO2
2 mol Fe, o,
4 mol C

They carry out the exchange of gases as we breathe ( oxygen and carbon dioxide).

Thermohaline circulation and gyres

The correct answer is c. orbital shape. "the angular momentum quantum number l describes the shape of an orbital. it corresponds to each orbital type, i.e. (0,1,2,−1)=(s,p,d,f,g,"