I need to show my work as well but on the computer so, please show work for how you got the answers. Thank you!

Answer:
1) [tex]1H_2 + 1Cl_2[/tex] => 2HCl
2) [tex]2Al + 6HCl[/tex] => [tex]2AlCl_3 + 3H_2[/tex]
3) [tex]1Ca_2Br_2 + 2NaCO_3[/tex] => [tex]2CaCO_3 + 2NaBr[/tex]
4) [tex]3NaOH + 1FeCl_3[/tex] => [tex]3NaCl + 1Fe(OH)_3[/tex]
Explanation: