Question

Мне нужно срочно все 5! Даю 100

Answer 1

$1) 4P+5O_{2}=2P_{2}O_{5} \\2) N_{2}+3H_{2}=2NH_{3} \\3) Na_{2}O+H_{2}O=2NaOH\\4) 2Al+3H_{2}SO_{4}=Al_{2}(SO_{4})_{3}+3H_{2} \\5) 2Fe(OH)_{3}-->Fe_{2}O_{3}+3H_{2}O$