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Cyclohexene contains a double bond, which has a greater electron density than the system of pi-bonds present in a benzene molecule. This means that a dipole can be induced in the bromine molecule due to t...

1st step; Free Radical Subsitituition Start using Ethane UV light Chlorine/Bromine/Flourine used To prevent further subsitituiton, add and excess of Ethane.

2nd step; Nucleophilic Substutition Reac...

1. Change % of elements in to moles: 30.7 mol of S, 23.3 mol of Mg and 46 mol of O₂.
   
2. Find the mass of each of the elements: 30.7 mol / 32.06 g/mol = 0.96 g of S;  23.3 mol / 2...

Zn(s) + H₂SO₄ (aq) –> ZnSO₄(aq) + H₂(g)

Zinc reacts with sulfuric acid to form zinc sulphate and hydrogen gas

Balance the carbon atoms first by adding a 4 in front of the CO2,

Then balance the hydrogen atoms by adding a 4 in front of the H2O, 

Count up the number of oxgens on the right hand side: (4...