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Spanish verbs (words like 'to do' or 'to say' or 'to eat', in English) come in two main groups. Firstly, there are the -ar ending verbs, which make up about 70 per ...
Looking at the reaction between hydrogen and carbon monoxide to form methanol:
CO + 2 H2 ⇌ CH3OH
There are 3 moles on the left hand side and 1 mole on ...
x2 + y2 = 36 (1)
x = 2y + 6 (2)
You can solve simulateous equations in three ways: Substitution, addition or subtraction. If one equatio...
A useful way to answer oxidation/reduction questions is to remeber the acronym OIL RIG:
Oxidation Is Loss (of electrons)
...
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