Fill in the blank with a number which balances the following reaction.
3Fe+4H2O→Fe3O4+yH2
3Fe+4H2O→Fe3O4+4H2
A balanced chemical equation has the equal number of atoms of each element on both sides.
In the following reaction, the value of y will be:
Then, y = ___
Balance the following reaction
3Fe + 4H2O → Fe3O4 + _H2
In the following reaction, 3Fe + 4H2O → Fe3O4 + dH2. Find the value of d.