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IGCSE Chemistry 2018 > Process (contact, Haber Etc) > Flashcards

Process (contact, Haber Etc) Flashcards

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1
Q

Contact process: describe the conversion of sulfur dioxide to sulfur trioxide, giving the conditions and a chemical equation

A
  • vanadium (V) oxide catalyst
  • 450 degree celsius
  • 1-5 atm (1atm)
  • 2SO2 + O2 -> 2SO3
  • reversible reaction
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2
Q

Chemical formula of oleum

when concentrated sulfuric acid is added to sulfur trioxide to form oleum

A

H2S2O7

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3
Q

Calcium oxide (quicklime) is made by heating calcium carbonate (limestone) in the furnace. It is a reversible reaction. Suggest why the conversion to calcium oxide is complete.

A

The carbon dioxide produced escapes / it is not a closed system

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IGCSE Chemistry 2018 (7 decks)

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