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
Nitric acid and interconversion of nitrogen oxides
With copper and nitric acid in both cases, why does one flask release a reddish-brown gas and the other a colourless gas?
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▶ Open 3D simulationYOUR EXPLORATION
One step, one new insight.
- 01
All equipment
- 02
Immerse copper wire
- 03
Switch to dilute nitric acid
- 04
Switch to an iron strip
- 05
Where does waste gas go?
- 06
Why a brown bottle?
- 07
Admit air
- 08
Shake and inspect particles
- 09
Assessment · Increase conversion
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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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