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Chemistry question

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Got Tech? GO TECH:
Please open O/N 06 paper 3 question 5c.). Why is water produced in this reaction? Would anybody be so kind enough to explain this point?

Thanks!

elemis:
Hang on

elemis:
Look carefully at the products and the reactants.

CO(NH2)2

Notice how Urea (above) seems to be very familiar to a combo of NH3 (ammonia) and CO2 (Carbon Dioxide) ??

But notice that the one Hydrogen from Ammonia and the One Oxygen from CO2 are missing ?

Where did they go ? Thus, you can make an informed guess that a water molecule was formed in this reaction.

I believe this reaction was part of the syllabus for 2006 but not for us.

J.Darren:

--- Quote from: Ari Ben Canaan on June 06, 2010, 05:20:13 pm ---Look carefully at the products and the reactants.

CO(NH2)2

Notice how Urea (above) seems to be very familiar to a combo of NH3 (ammonia) and CO2 (Carbon Dioxide) ??

But notice that the one Hydrogen from Ammonia and the One Oxygen from CO2 are missing ?

Where did they go ? Thus, you can make an informed guess that a water molecule was formed in this reaction.

I believe this reaction was part of the syllabus for 2006 but not for us.

--- End quote ---
It was formerly included under "Air and water - NPK fertilisers", it has since been scraped and all we need to know for the examination would be that adding ammonia to nitric acid and sulphuric acid would produce ammonium nitrate and ammonium sulphate respectively.

elemis:

--- Quote from: J.Darren on June 06, 2010, 05:28:42 pm ---It was formerly included under "Air and water - NPK fertilisers", it has since been scraped and all we need to know for the examination would be that adding ammonia to nitric acid and sulphuric acid would produce ammonium nitrate and ammonium sulphate respectively.

--- End quote ---

All the better for us :D

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