Question

3Fe + 4H2O Fe3O4 + 4H2
(Fe= 56 H=1, O=16)
If 40 g of iron reacts complementary, calculate:
i) The weight of Fe3O4 formed.
ii) The volume of hydrogen evolved at S.T.P.
iii) The volume of steam used at S.T.P. for the same weight of iron.​

Answer 1

Answer:

Find the additive inverse of the polynomial x^3-4x^3-3x.