Ammonia production by the Haber process
How can nitrogen from the air be converted into ammonia quickly, efficiently and economically?
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CHEMISTRY · 8 EXPLORATION STEPS
Pig iron production in a blast furnace
How does ore charged at the top become molten pig iron within hours, while fuel consumption is kept low?
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One step, one new insight.
- 01
From ore to metal
- 02
Charge in layers
- 03
Inspect furnace zones
- 04
Coke combustion at tuyeres
- 05
Staged reduction
- 06
Limestone and slag
- 07
Hot-blast benefit
- 08
Operating assessment
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Factors affecting reaction rate
Why do some reactions finish in seconds while others take a long time? What determines how fast a reaction proceeds?
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Molecular models of organic compounds
Molecular formulae are drawn on flat paper, but what are the actual three-dimensional shapes? What can a ball-and-stick model reveal?
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