пж помогите. Даю 30 баллов...

nikitakamynin432 @nikitakamynin432

August 2022 1 5 Report

пж помогите. Даю 30 баллов

Answers & Comments

dobrovana141

Ответ:

А:

$H_{2}$ + $S_{}$ = $H_{2}S$

$2Mg_{}+N{2}=Mg_{2}N_{2}$

$2Li_{}+H_{2}=LiH$

$NH_{3}+HCl=NH_{4}Cl$

$4HCl+O_{2}=2H_{2}+2Cl_{2}$

$Li_{2}O+H_{2}O=2LiOH$

B:

$Ca+HI=H_{2}+CaI_{2}$

$Fe_{2}O_{3}+H_{2}O=Fe+H_{2}O$

$2Al+6HCl=2AlCL_{3}+3H_{2}$

$Fe(OH)_{2}=Fe_{2}O_{3}+H_{2}O$

$Ca(OH)_{2}+HCl=CaCl_{2}+H_{2}O$

$NH_{3}+H_{3}PO_{4}=(NH_{4})_{3}PO_{4}$

$2Na+2H_{2}O=2NaOH+H_{2}$

$Ca+HNO_{3}=Cu(NO_{2})_{3}+2NO_{2}+H_{2}O$

3.

$CuO+2HNO_{3}=Cu(NO_{3})_{2}+2H_{2}O$ - Правильно

$2LiOH+SO_{3}=Li_{2}SO_{4}+2H_{2}O$ - Не правильно

$3Fe+O_{2}=Fe_{2}O_{4}$ - Не правильно

$4HNO_{3}=NO_{2}+2H_{2}O+O_{2}$ - Правильно

$2NaOH+H_{2}CO_{2}=Na_{2}CO_{3}+H_{2}O$ - Не правильно

4.

$H_{2}+S=H_{2}S$

$2Al+3I_{2}=2AlI_{3}$

$Al+C=?$

$2Al+N_{2}=2AlN$

$4Al+3O_{2}=2Al_{2}O_{3}$

$2Ca+O_{2}=2CaO$

$3Ca+N_{2}=Ca_{3}N_{2}$

Объяснение:

1 votes Thanks 0

nikitakamynin432 Спасибо, но уже поздно

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