The correct answer is option 4. The conversion of energy is from chemical to electrical energy. Voltaic cells are driven by a spontaneous reaction that produces an electric current. Voltaic cells are a type of electrochemical cell.
Answer:
x=2 (
Explanation:
Mass of
is the mass of remaining sample, because it is a product of loss of drying from initial sample. This means that the mass of water is the mass has been lost.
after fing the masses of
and water you must to find the amount of moles in both cases.



Now you must to find the ratio between both molecules:

So the water is two times copper(II) chloride. (
Answer:
i do not know i think the answer is 23
Explanation:
Is an acid. Methyl red is a pH indicator that changes color indicating acid.