electricity can't flow anymore if the wire isnt connected at the beginning
Subscript... shows how many atoms of an element is present in a substance
However, there is one type of double-replacement reaction that we can predict: the precipitation reaction. A precipitation reaction occurs when two ionic compounds are dissolved in water and form a new ionic compound that does not dissolve; this new compound falls out of solution as a solid precipitate.
Answer:
E= 71dB
Explanation:
See attached file for step by step calculation