Question

Știe cineva?????urgentttt

Answer 1

$H_{2}+ \frac{1}{2} O_{2} => H_2O\\\\\frac{1}{2} Cl_2+ \frac{1}{2} H_2 => HCl\\\\\frac{1}{2} H_2 + \frac{1}{2} F_2 => HF\\\\\frac{1}{2} O_2+Ca=> CaO\\\\\ \frac{1}{2} Br_2+ Mg => MgBr\\\\ \frac{1}{2} I_2+Na => NaI$

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