Answer: c
Step-by-step explanation:
Answer:
when x is any real number
Step-by-step explanation:
commutative property
On the right side, there are
• 2•2 = 4 atoms of Nb
• 2•5 = 10 atoms of O
so among the reactants on the left, the reaction is balanced as
4 Nb + 5 O₂ → 2 Nb₂O₅
D dddddddddddddddddddddfdfddxdddd
Answer:
m=28
n=21
Step-by-step explanation:
3×4=12
7×4=28
28×1.75=49
12×1.75=21