T
X
xumen.ma
NaNo3 => NaNo2 + 1/2O2
O2 =>>>>>>>>>>>>>>>>>>>
[TEX]3{O}_{2}+ 4Fe \rightarrow 2{Fe}_{2}{O}_{3}[/TEX] (ĐK: Đun nóng)
X
xumen.ma
[TEX]{Fe}_{3}{O}_{4}+ 8HCl\rightarrow Fe{Cl}_{2}+ 2Fe{Cl}_{3}+ 4{H}_{2}O[/TEX]
[TEX]Fe{Cl}_{3}???????[/TEX]
N
nguyengiahoa10
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X
xumen.ma
[TEX]Cu{Cl}_{2}+ 2NaOH \rightarrow 2NaCl+ Cu{(OH)}_{2}[/TEX]
[TEX]Cu{(OH)}_{2}\rightarrow ????[/TEX]
K
kute_monkey_98
S
sky_net115
N
nguyenminhduc2525
N
nguyengiahoa10
tl
$ NaAlO_{2} + CO_{2} + 2H_{2}O \longrightarrow Al(OH)_{3}\downarrow + NaHCO_{3} $
$ NaHCO_{3} $
$ NaAlO_{2} + CO_{2} + 2H_{2}O \longrightarrow Al(OH)_{3}\downarrow + NaHCO_{3} $
$ NaHCO_{3} $
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H
hellangel98
2NaHCO3+2KOH=>K2CO3+Na2CO3+2H2O
2NaHCO3=>Na2CO3+CO2+H20
>>> Na2CO3
..................................................................
2NaHCO3=>Na2CO3+CO2+H20
>>> Na2CO3
..................................................................
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M
muathuvang_9x
[TEX]Na _2CO_3 + 2H_2O => 2NaOH + H_2CO_3[/TEX]
[TEX]H_2CO_3 \Rightarrow ....[/TEX]
[TEX]H_2CO_3 \Rightarrow ....[/TEX]
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H
hellangel98
F
fulful
h2o + caco3 + co2 ---> ca(hco3)2
______________________________________________________________
ca(hco3)2
______________________________________________________________
ca(hco3)2
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T
thienlong233
H
hellangel98
H20+so2=>H2SO3
.......................................................
.......................................................
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M
muathuvang_9x
[TEX]2H_2O + 2Na => H_2 + 2NaOH[/TEX]
.................................................
H
hellangel98
3H2+Fe2O3=>2Fe+3H20
>>>H20
............................................................
p/s:HClO+Na2S=>HCl+Na2SO4
cái này là của a thienlong233
>>>H20
............................................................
p/s:HClO+Na2S=>HCl+Na2SO4
cái này là của a thienlong233
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L
lovechemical
3H2+Fe2O3=>2Fe+3H20
>>>H20
............................................................
mọi người tập viết pt ion đi, để quen dần.
NH4^+ + H2O ------> H3O^+ + NH3
NH3 ----------->
>>>H20
............................................................
mọi người tập viết pt ion đi, để quen dần.
NH4^+ + H2O ------> H3O^+ + NH3
NH3 ----------->
M
meoluoi95tb
L
luffy_1998
$NH_4Cl + AgNO_3 \rightarrow NH_4NO_3 + AgCl$
Tiếp: AgCl
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Tiếp: AgCl
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