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Drakened Light

What causes hydrogen peroxide to fizz?

Does it mean that it's killing germs when it fizzes?
Russ:

It is an unstable compound. The foam is oxygen,as it breaks down to water and oxygen.

Gbob_north:

No, it means that it's losing oxygen molecules because it is oxidizing something rapidly...heard of anti-oxidants? this' the opposite, it causes cells to come apart, it destroys anaerobic bacteria pretty well, but it speeds the growth of aerobic bacteria (like with in-situ bioremediation).

Tu:

- The unstability in molecular structure. Hydrogen peroxide's molecular structure is H2O2, while that of water, which is stable because the number of valance electron is balanced (+1 from H, +1 from another H and -2 from O, sum=0), is H2O. Oxygen one atom is excess in H2O2. This is the driving force for fizzing.
- If there are germs, yes. If there are not, your hydrogen peroxide is not killing germs and it's still fizzing anyway.

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