Question

!!!СРОЧНО!!! БУДЬ ЛАСКА!!!

Answer 1

$dil$ - разбавленная (-ый) (разб)

$conc$ - концентрированная (-ый) (конц)

Тот кусочек сверху.

Вариант 7.

а) $2NaOH + SiO_{2} xrightarrow{text{hspace{2mm}thspace{2mm}}} Na_{2}SiO_{3} + H_{2}O$

б) $CaO + SiO_{2} xrightarrow{text{hspace{2mm}thspace{2mm}}} CaSiO_{3} downarrow$

Вариант 8.

а) $Li_{2}O + CO_{2} longrightarrow Li_{2}CO_{3}$

б) $BaO + 2HCl longrightarrow BaCl_{2} + H_{2}O$

Основная часть (III и IV).

Вариант 1.

а) $CaO + CO_{2} longrightarrow CaCO_{3} downarrow$

б) $FeO + SiO_{2} xrightarrow{text{hspace{2mm}thspace{2mm}}} FeSiO_{3} downarrow$

в) $6NaOH + P_{2}O_{5} longrightarrow 2Na_{3}PO_{4} + 3H_{2}O$

г) $SO_{3} + Ba(OH)_{2} longrightarrow BaSO_{4} downarrow + H_{2}O$

Вариант 2.

а) $SrO + H_{2}SO_{4} longrightarrow SrSO_{4} + H_{2}O$

б) $CO_{2} + Ca(OH)_{2} longrightarrow CaCO_{3} downarrow + H_{2}O$

в) $P_{2}O_{5} + 3BaO longrightarrow Ba_{3}(PO_{4})_{2} downarrow$

г) $Li_{2}O + H_{2}O longrightarrow 2LiOH$

Вариант 3.

а) $SO_{3} + 2KOH longrightarrow K_{2}SO_{4} + H_{2}O$

б) $SiO_{2} + Na_{2}O xrightarrow{text{hspace{2mm}thspace{2mm}}} Na_{2}SiO_{3}$

в) $2HCl + BaO longrightarrow BaCl_{2} + H_{2}O$

г) $CaO + H_{2}O longrightarrow Ca(OH)_{2}$

Вариант 4.

а) $SO_{3} + K_{2}O longrightarrow K_{2}SO_{4}$

б) $CO_{2} + 2NaOH longrightarrow Na_{2}CO_{3} + H_{2}O$

в) $H_{2}SO_{4}_{(dil)} + FeO longrightarrow FeSO_{4} + H_{2}O$

$4H_{2}SO_{4}_{(conc)} + 2FeO longrightarrow Fe_{2}(SO_{4})_{3} + SO_{2} uparrow + 4H_{2}O$

г) $BaO + H_{2}O longrightarrow Ba(OH)_{2}$

Вариант 5.

а) $2HNO_{3} + ZnO longrightarrow Zn(NO_{3})_{2} + H_{2}O$

б) $P_{2}O_{5} + 3H_{2}O longrightarrow 2H_{3}PO_{4}$

в) $2LiOH + CO_{2} longrightarrow Li_{2}CO_{3} + H_{2}O$

г) $CaO + SO_{2} longrightarrow CaSO_{3} downarrow$

Вариант 6.

а) $SO_{3} + 2KOH longrightarrow K_{2}SO_{4} + H_{2}O$

б) $3K_{2}O + 2H_{3}PO_{4} longrightarrow 2K_{3}PO_{4} + 3H_{2}O$

в) $2HCl + MgO longrightarrow MgCl_{2} + H_{2}O$

г) $Na_{2}O + H_{2}O longrightarrow 2NaOH$

Вариант 7.

а) $N_{2}O_{5} + H_{2}O longrightarrow 2HNO_{3}$

б) $SiO_{2} + CaO xrightarrow{text{hspace{2mm}thspace{2mm}}} CaSiO_{3} downarrow$

в) $SO_{2} + Ca(OH)_{2} xrightarrow{text{hspace{2mm}thspace{2mm}}} CaSO_{3} downarrow + H_{2}O$

г) $CrO + H_{2}SO_{4}_{(dil)} longrightarrow CrSO_{4} + H_{2}O$

$2CrO + 4H_{2}SO_{4}_{(conc)} longrightarrow Cr_{2}(SO_{4})_{3} + SO_{2} uparrow + 4H_{2}O$

Вариант 8.

а) $P_{2}O_{5} + 6KOH longrightarrow 2K_{3}PO_{4} + 3H_{2}O$

б) $H_{2}SO_{4} + CuO longrightarrow CuSO_{4} + H_{2}O$

в) $K_{2}O + H_{2}O longrightarrow 2KOH$

г) $CaO + SO_{2} longrightarrow CaSO_{3} downarrow$