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2 Zn(OH)2 + CO2 = Zn2(OH)2CO3 + H2O
K = K8 =>
8 K = K8
Au + CaCO3 = Au2(CO3)3 + Ca =>
2 Au + 3 CaCO3 = Au2(CO3)3 + 3 Ca
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CH2CHCH2CH3(g) + O2(g) = CO2(g) + H2O(g) =>
CH2CHCH2CH3(g) + 6 O2(g) = 4 CO2(g) + 4 H2O(g)
K2SO3(aq) + H3PO4(aq) = H2O(l) + K3PO4(aq) + SO2 =>
3 K2SO3(aq) + 2 H3PO4(aq) = 3 H2O(l) + 2 K3PO4(aq) + 3 SO2
NH4Cl + H2O + CaO = NH4OH + CaCl2 =>
2 NH4Cl + H2O + CaO = 2 NH4OH + CaCl2
NO2 + CO = N2 + CO2 =>
2 NO2 + 4 CO = N2 + 4 CO2
SnF4 + Mg = MgF2 + Sn =>
SnF4 + 2 Mg = 2 MgF2 + Sn
P2O5 + NaOH = Na2HPO4 + H2O =>
P2O5 + 4 NaOH = 2 Na2HPO4 + H2O
Ca + ErF3 = Er + CaF2 =>
3 Ca + 2 ErF3 = 2 Er + 3 CaF2
HI(aq) + Sr(OH)2(aq) = H3O2(aq) + SrI(aq) =>
HI(aq) + Sr(OH)2(aq) = H3O2(aq) + SrI(aq)
Ni(OH)3 = Ni2O3 + H2O =>
2 Ni(OH)3 = Ni2O3 + 3 H2O
(NH4)2CO3 + HI = NH4I + H2CO3 =>
(NH4)2CO3 + 2 HI = 2 NH4I + H2CO3
BaSO4 + KCl = BaCl2 + K2SO4 =>
BaSO4 + 2 KCl = BaCl2 + K2SO4
SeO2 + Mg = MgO + MgSe =>
SeO2 + 3 Mg = 2 MgO + MgSe
(NH4)3PO4 + MgCO3 = (NH4)2CO3 + Mg3(PO4)2 =>
2(NH4)3PO4 + 3 MgCO3 = 3(NH4)2CO3 + Mg3(PO4)2
H3COH + KMnO4 + H2SO4 = HCOOH + K2SO4 + MnSO4 + H2O =>
5 H3COH + 4 KMnO4 + 6 H2SO4 = 5 HCOOH + 2 K2SO4 + 4 MnSO4 + 11 H2O
V + Fe2O3 = VO + Fe =>
3 V + Fe2O3 = 3 VO + 2 Fe
BaHPO4 + NaOH = Ba3(PO4)2 + NaH2PO4 + H2O =>
3 BaHPO4 + NaOH = Ba3(PO4)2 + NaH2PO4 + H2O
SrCrO4 = Cr + O4 + Sr =>
SrCrO4 = Cr + O4 + Sr
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Na2S2O3 + HNO3 = NaNO3 + H2O + SO2 + S8 =>
8 Na2S2O3 + 16 HNO3 = 16 NaNO3 + 8 H2O + 8 SO2 + S8
Pb + SO4 = Pb(SO4)2 =>
Pb + 2 SO4 = Pb(SO4)2
S + Hg = HgS =>
S + Hg = HgS
KMnO4 + HSO4 + Br = HBrO4 + K2SO4 + MnSO4 + H2O =>
14 KMnO4 + 21 HSO4 + 13 Br = 13 HBrO4 + 7 K2SO4 + 14 MnSO4 + 4 H2O
Cl2 + (NH4)3N = NH4Cl + N2 =>
3 Cl2 + 2(NH4)3N = 6 NH4Cl + N2
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
Ca2 + Fe(CN)6 = Ca(Fe(CN)6) =>
Ca2 + 2 Fe(CN)6 = 2 Ca(Fe(CN)6)
C2H6O + K2Cr2O7 + H2SO4 = C2H4O2 + Cr2(SO4)2 + K2S04 + H2O =>
17 C2H6O + 2 K2Cr2O7 + 12 H2SO4 = 17 C2H4O2 + 2 Cr2(SO4)2 + 2 K2S04 + 29 H2O
Mg + CuSO4 = MgSO4 + MgCu =>
2 Mg + CuSO4 = MgSO4 + MgCu
MgF2 = Mg + F2 =>
MgF2 = Mg + F2
Cu + AgNo3 = Cu3(No3)2 + Ag =>
3 Cu + 2 AgNo3 = Cu3(No3)2 + 2 Ag
C3H7O6 + O4 = CO2 + H2O =>
8 C3H7O6 + 7 O4 = 24 CO2 + 28 H2O
P7 + O2 = P4O6 =>
4 P7 + 21 O2 = 7 P4O6
KO2 + CO2 = K5C5O2 + O =>
5 KO2 + 5 CO2 = K5C5O2 + 18 O
MnO4{-} + HSO3{-} + OH{-} = MnO4{2-} + SO4{2-} + H2O =>
2 MnO4{-} + HSO3{-} + 3 OH{-} = 2 MnO4{2-} + SO4{2-} + 2 H2O
FeCl3 + NaCo3 = Fe(Co3)3 + NaCl =>
FeCl3 + 3 NaCo3 = Fe(Co3)3 + 3 NaCl
HCl + Ca(HCO3)2 = HCaCl3 + H2O + CO2 =>
3 HCl + Ca(HCO3)2 = HCaCl3 + 2 H2O + 2 CO2
CH3COOH + CH3CH2CH2CH2OH = CH3COOCH2CH2CH2CH2CH3 + H2O =>
4 CH3COOH + 5 CH3CH2CH2CH2OH = 4 CH3COOCH2CH2CH2CH2CH3 + 5 H2O
K2SO3 + H3PO4 = H2O + K3PO4 + SO2 =>
3 K2SO3 + 2 H3PO4 = 3 H2O + 2 K3PO4 + 3 SO2
Br2 + KJ = BrJ + K =>
Br2 + 2 KJ = 2 BrJ + 2 K
Sb + Cl2 = SbCl3 =>
2 Sb + 3 Cl2 = 2 SbCl3
C7H5O2H + H2O = H3O + C7H5O2 =>
C7H5O2H + H2O = H3O + C7H5O2
C2H6O + HNO3 = CO2 + H2O + N =>
5 C2H6O + 12 HNO3 = 10 CO2 + 21 H2O + 12 N
Br2 + KJ = BrJ + K =>
Br2 + 2 KJ = 2 BrJ + 2 K
Ca3P2 + Cr2O3 = CaO + CrP =>
Ca3P2 + Cr2O3 = 3 CaO + 2 CrP
MnSO4 + CaOCl2 + NaOH = MnO2 + CaCl2 + Na2SO4 + H2O =>
MnSO4 + CaOCl2 + 2 NaOH = MnO2 + CaCl2 + Na2SO4 + H2O
HNO3 + Fe(OH)3 = Fe(NO3)3 + H2O =>
3 HNO3 + Fe(OH)3 = Fe(NO3)3 + 3 H2O
Br2 + KJ = BrJ + K =>
Br2 + 2 KJ = 2 BrJ + 2 K
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