Answer:
I think it's
2 HgO (s) → 2 Hg (l) + O2 (g)
Step-by-step explanation:
This is an oxidation-reduction (redox) reaction:
2 HgII + 4 e- → 2 Hg0
(reduction)
2 O-II - 4 e- → 2 O0
(oxidation)
Answer: You can't. Read explanation.
Step-by-step explanation:
You can't subtract an expression from an equation. If you said something like subtract 8b-ab+7a from 3a-9ab+b that would work, but not here.
Let's just assume You mean it as 8b-ab-7a, then (3a-9ab+b)-(8b-ab-7a) = -8ab + 10a - 7b.
Hope that helped,
-sirswagger21
Answer:
$200.00
Step-by-step explanation:
12 widgets cost $30.00, meaning 1 widget costs ¢2.5. So then multiply 80 and 2.5, getting a total of $200.00.
Answer:
321
Step-by-step explanation:
just divide 4815÷15
