Answer: The coefficient for 
is 12.
Explanation:
According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.
Thus in the reactants, there are 12 molecules of oxygen in balanced chemical equation. Thus the coefficient for is 12.
Answer:Yes I am very good at acid
Explanation:
Answer:
Getting coated with tarnish
Explanation:
Silver, the original substance is combining with a new substance tarnish to make a whole new chemical.
Answer:
There are two factors that can affect electron affinity. These are atomic size and nuclear charge. ... The smaller the atom is, the closer the outermost shell is; therefore, it is a stronger attraction between the nucleus and the incoming electron. That means the electron affinity is higher for smaller atoms.
Explanation:
mark me as the brainliest
