Hydrogen Gas

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7 Terms

1
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How is hydrogen manufactured on a large scale?

Steam reforming of natural gas

Hydrolysis of water

Dehydrocyclisation of a hydrocarbon

2
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Give the formula for steam reforming of natural gas

CH4(s) +H2O (g) >>>>> 3H2 (g) +CO (g)

3
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Give the formula for hydrolysis of water

H2O (l) >>>>> H2 (g) +1/2O2 (g)

4
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Give 3 uses of hydrogen gas

manufacture of ammonia used in cleaners and bleaches

make margarine

fuel

5
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Give the formula for the formation of ammonia from hydrogen

haber process : N2 (g) + 3H2 (g) >>Fe2SO3 (s) << 2NH3 (g)

6
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Give two advantages of using hydrogen as a fuel

clean fuel

burns efficiently - high kilogram calorific value

7
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Give a disadvantage of hydrogen as a fuel

explosive with oxygen