Re: More incomplete information

In article <ydFwe.1386$Q75.209773@xxxxxxxxxxxxxxxxxxxx>, "Frank Logullo" <frankDOTlogullo@xxxxxxx> wrote:
>"Uncle Al" <UncleAl0@xxxxxxxxxxxxx> wrote in message
>news:42C30F19.AE337460@xxxxxxxxxxxxxxxx
>> "johnwbarrett0112358@xxxxxxxxx" wrote:
>> >
>> > Is this prof just trying to trick people?
>> >
>> > Here is another one that I found with incomplete info. Am I out of my
>> > mind? Or just somebody's dupe?
>> >
>> > 15. You are given 10.00 grams of a mixture of FeO and Fe2O3. Complete
>> > reduction of this
>> > mixture yields 7.23 grams of pure Fe. Calculate the mass of FeO and
>> > Fe2O3 in the
>> > original sample.
>> >
>> > FeO + CO --> Fe + CO2
>> > Fe2O3 + 3CO --> 2Fe + 3CO2
>>
>> So? You know how many moles of iron are in there. He told you. You
>> know how many moles of oxygen were in there. He told you. What is
>> your problem? You don't need the equations at all.

>Lazy kid - will make a poor chemist but a good manager ;)

Can also ask others the answers ... so that would imply a good engineer too
... yes ? :)



Bruce


-------------------------------------
The power of accurate observation is commonly called cynicism by those who have not got it.
- George Bernard Shaw
Cynic, n: a blackguard whose faulty vision sees things as they are, not as they ought to be.
- Ambrose Bierce

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Relevant Pages

  • Re: More incomplete information
    ... >> Is this prof just trying to trick people? ... >> Here is another one that I found with incomplete info. ... You know how many moles of iron are in there. ... Lazy kid - will make a poor chemist but a good manager;) ...
    (sci.chem)
  • Re: More incomplete information
    ... > Is this prof just trying to trick people? ... > Here is another one that I found with incomplete info. ... You know how many moles of iron are in there. ... Uncle Al ...
    (sci.chem)