C: cracking and photosynthesis
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Ammonia is made by a reversible reaction between nitrogen and hydrogen. N₂(g) + 3H₂(g) ⇌ 2NH₃(g) ΔH = −92 kJ/mol What…
Sulfur dioxide and oxygen react together. 2SO2(g) + O2(g) ⇌ 2SO3(g) ΔΗ = -197kJ/mol Which change(s) will increase bot…
The apparatus shown can be used to find the rate of some chemical reactions. The rate of which reaction can be follow…
The diagram shows a reaction scheme. ethene + steam catalyst → compound X acidified potassium dichromate(VI) → compou…
How does the number of carbon, hydrogen and oxygen atoms in an ester differ from the total number of carbon, hydrogen…
The two statements are about the fractional distillation of crude oil. The statements may or may not be correct. They…