Hi!
I think the oxidation state of all the atoms should change. :)
Hope this helps
Answer:
fjskeowkcnekvo Dee five votes come vote for dog even r
Answer:
In a physical change the appearance or form of the matter changes but the kind of matter in the substance does not. However in a chemical change, the kind of matter changes and at least one new substance with new properties is formed.
Answer:
The answer is "0.0000190 and 2.7 J".
Explanation:


Given:

by putting the value into the above formula so, the value is 2.7 J