Over time, an iron nail reacts with water to produce iron oxide, or rust. Which of the following is a signal that rusting has ta
2 answers:
Explanation:
When iron reacts with the moisture present in air then an oxide layer tends to develop on the surface of iron. This process is known as rusting of iron.
Chemical formula of rust is . This layer of oxide on the surface of iron is orange-brown in color.
This change is a chemical change as a new compound iron oxide has formed in this process of rusting.
Hence, this orange-brown color on the surface of iron helps us to know that rusting has taken place.
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The equation structure for the above mentioned reaction can be written as
<u>Explanation:</u>
Considering the above reaction, When Boron sulfide, reacts with water more violently to form boric acid and hydrogen sulfide gas.
In order to balance the equation, we can do as follows.There are 2 B - atoms on both sides of the equation, but only 2 H - atoms, and one O - atom on LHS, so we have to balance it by putting 6 in front of water and 2 in front of Boric acid and 3 in front of hydrogen sulphide gas, so that we have 2 B - atoms, 3 - S atoms, 12 H - atoms on both sides of the equation, and it is balanced. Balanced equation is given as,
Thus a Balanced equation of the above mentioned reaction is written.
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