[Jewelry making - Article 00956] - Re: [Orchid] Tarnish remover use aluminium foil

[John Burgess]

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G'day;

    The monatomic hydrogen does join up with neighbours all the time, but
    the H-H bond is fairly weak, and the S-H bond is relatively stronger;
    thus the preference. But do understand that we are talking in the
    hundreds of millions here, and there are plenty of unbonded H atoms
    ready to link up with 'anybody' But we are also talking in
    micro/nano seconds too. This 'bonding' business is concerned with
    electronic attractions, and the fact that the electronic fields are
    similar in sign does not mean there is no attraction of one to the
    other; it is just a question of how much. Atoms are whizzing around
    all the time, their speeds and energy depending on their temperature.
    The faster the 'whizzing' the greater is the opportunity for the
    electronic attractions to come into play. Thus on warming, reacting
    molecules increase their speed of reaction. At temperatures close to
    absolute zero (-273C) there is virtually very little movement and the
    possibility of reactions occurring are more remote. Everything
    depends on probability; thus the comment by some learned fellow, (I
    think it must have been our old mate Albert) "Does God play dice with
    the universe"? 

    Sodium carbonate will release it's hydrogen atoms more easily that
    those of the bicarbonate molecule, and is more aggressively alkaline
    and reactive. So here endeth the lesson. 

    May I wish you a happy and peaceful Noel?

Cheers for now,
John Burgess; johnb AT ts.co.nz of Mapua, Nelson NZ

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