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a method used to refine petrol by breaking covalent bonds between carbon atoms using heat and a catalyst.
the volume of 1 mole of gas. The molar gas volume is equal for all gasses at a given temperature...
redox reactions can be described as two half-reactions (one oxidation, the other reduction).
the sum of the number of protons and neutrons (the nucleons) in the nucleus of an atom. It...
the SI unit of amount of substance. 1 mole contains the same number of particles as there are in...