Check all answers that apply. copper oxide is a(n): atom. molecule. subatomic particle. element. compound.

answer: -

reaction:

na + cl ⇌ nacl

balanced chemical equation:

na + 2cl ⇌ nacl2

sodium + clorine goes to form sodium chloride (table salt).

the product is nacl2.

and the reactants are na and cl.

(note: if you don’t know what ⇌ means, read below: -

⇌(double head arrow) means reversible reaction).

in the analysis of systems that involve fluid flow, we frequently encounter the combination of properties u and pv.