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 Post subject: ratios as percentages
PostPosted: Sun Nov 29, 2009 8:42 pm 
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Joined: Thu Sep 27, 2007 3:02 am
Posts: 40
Location: Oklahoma, USA
I can't figure this out. It seems backwards to me.

In electrochemistry, If 0.215 Joules per milliliter is 100% efficient production then what percentage of efficiency is 8.0 Joules per milliliter which is obviously less efficient.


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 Post subject: Re: ratios as percentages
PostPosted: Tue Dec 01, 2009 3:52 am 
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Joined: Mon Jul 10, 2006 6:57 am
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Location: Sydney, Australia
I can't say I have any knowledge of electrochemistry, but presumably you are talking energy input to produce a quantity of product. If 0.215 Joule per ml of product is 100% efficiency, then 0.43 Joule per ml would be 50% efficient. Your efficiency is thus 0.215 divided by your actual energy requirements. 0.215 / 8 = 0.026875, so that's 2.6875% efficiency.

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