Answer:
(1) Bromination, (2) E2 elimination and (3) epoxidation
Explanation:
H2+1/2O2=H2O
13 L
v1/n1 = v2/n2
8.5 L/1.2 mol = v2/1.85 mol
7 L x 1.85 mol = v2/1.85 mol x 1.85 mol
13 L = v2
7
cuz it is trust me hope it helps though