Question

What are the characteristics of chemical of chemical change in reaction h2o=h2+o2

Answer 1

Explanation:

For example, when hydrogen gas, H2(g), is burned in the presence of gaseous oxygen, O2(g), a new substance, liquid water, H2O(l ), forms. The covalent bonds within the H2 molecules and O2 molecules break, and new covalent bonds form between oxygen atoms and hydrogen atoms

Answer 2

water will split into oxygen and hydrogen

so change from liquid to gas

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