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
Electrolysis of CuCl₂ solution and brine
With the same direct-current supply, why does CuCl₂ solution yield copper and chlorine, while saturated brine yields hydrogen, chlorine and NaOH?
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▶ Open 3D simulationYOUR EXPLORATION
One step, one new insight.
- 01
Explore the experiment
- 02
Connect the supply
- 03
Electrolyse for longer
- 04
Look inside
- 05
Switch to brine
- 06
The cathode region turns red/pink
- 07
Preferential discharge
- 08
Copper anode
- 09
Assessment: produce 29.6 mg copper
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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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