Answer: B
Step-by-step explanation:
Answer:
The answer is negative 5 degrees.
Step-by-step explanation:
You just have to subtract 3 by 8.
Answer:
88.90 cm
Step-by-step explanation:
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
The answer is C
Hope it helped