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 · 7 EXPLORATION STEPS
Sulfuric acid production by the contact process
How can sulfur in ore be converted into sulfuric acid rapidly, with high yield, low cost and limited pollution?
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▶ Open 3D simulationYOUR EXPLORATION
One step, one new insight.
- 01
Why five process stages?
- 02
Why clean the gas first?
- 03
Why this temperature?
- 04
Why near atmospheric pressure?
- 05
Inspect inside the tower
- 06
Why concentrated sulfuric acid?
- 07
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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