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2 marksAmmonia

CAPE Chemistry Unit 2 · 2010 · Paper 2 · Question 6(d)

Account for the differences between the theoretical optimal conditions described in (c) and the actual conditions used in the Haber Process.

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  1. 6(a)Identify the raw material source and the process used to produce nitrogen.[2 marks]
  2. 6(b)(i)State the name of the process used to obtain hydrogen from natural gas and steam.[1 mark]
  3. 6(b)(ii)Write the chemical equation for the production of hydrogen from natural gas and steam.[2 marks]
  4. 6(c)Using Le Chatelier's principle, describe the reaction conditions (temperature and pressure) under which optimal equilibrium yields of ammonia can be obtained.[2 marks]
  5. 6(e)Complete Table 2 by suggesting one source and one polluting effect for each of the following pollutants: NO3^-, PO4^3-, and Pb^2+.[6 marks]

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