Question

Scrieti si egalati urmatoarele ecuatii:

1). azot+hidrogen=>amoniac

2). aluminiu cu valenta 3+sulf cu valenta2=>sulfura de aluminiu

3). aluminiu+clor₂=>clorura de aluminiu

4).acid sulfuric+hidroxid de natriu=>sulfat de natriu

Answer 1

$2N+ 3H_{2} =\ \textgreater \ 2 N H_{3}$

$2Al+3S =\ \textgreater \ Al_{2} S_{3}$

$2Al+ 3Cl_{2} =\ \textgreater \ 2AlCl _{3}$

$H_{2} SO_{4} + NaOH =\ \textgreater \ NaSO_{4} + H_{2} O$