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 · 9 EXPLORATION STEPS
Titration of a strong acid with a strong base
More than 20 mL has been added with almost no visible change. Why does the final half-drop cause a clear colour change?
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▶ Open 3D simulationYOUR EXPLORATION
One step, one new insight.
- 01
Explore titration apparatus
- 02
Condition apparatus and remove air bubbles
- 03
Measure sample and add indicator
- 04
Add dropwise
- 05
Half a drop to the endpoint
- 06
Read and calculate
- 07
Observe particles
- 08
Errors and incorrect procedures
- 09
Practical titration 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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