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From: Greg Goss <gossg@gossg.org>
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Subject: Re: About the resupply missions in "The Martian".
Date: Sat, 07 Nov 2015 20:58:39 -0700
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Thomas Koenig <tkoenig@netcologne.de> wrote:

>Peter Fairbrother <peter@tsto.co.uk> schrieb:
>
>> Lithium (peroxide) canisters do not just absorb carbon dioxide, they 
>> also produce oxygen:
>>
>> 2 Li2O2 + 2 CO2 ? 2 Li2CO3 + O2
>
>Actually, it is water that is being produced.
>
>The net reaction is
>
>2 LiO + CO2 --> Li2CO3 + H2O

You start with two lithium, four oxygen and a carbon.  You end with
two lithium, four oxygen, a carbon and a hydrogen.

There's a serious problem here.

>which is understandable because water is a much lower energy.

-- 
We are geeks.  Resistance is voltage over current.