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4 Al + 3 O2 = 2 Al2O3
Br{-} + Fe{2+} = Br + Fe =>
2 Br{-} + Fe{2+} = 2 Br + Fe
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Li + HNO3 = LiNO3 + H2O + N2O =>
8 Li + 10 HNO3 = 8 LiNO3 + 5 H2O + N2O
Sb + HNO3 = Sb2O5 + NO2 + H20 =>
8 Sb + 20 HNO3 = 4 Sb2O5 + 20 NO2 + H20
N + H2 = NH3 =>
2 N + 3 H2 = 2 NH3
Ca(OH)2(aq) + Na2SO4(aq) = NaOH(aq) + CaSO4(s) =>
Ca(OH)2(aq) + Na2SO4(aq) = 2 NaOH(aq) + CaSO4(s)
CuCl3 + Zn = Cu + ZnCl3 =>
CuCl3 + Zn = Cu + ZnCl3
SE + KOH = K2SEO3 + K2SE + H2O =>
3 SE + 6 KOH = K2SEO3 + 2 K2SE + 3 H2O
CO2 + NaOH = NaHCO3 =>
CO2 + NaOH = NaHCO3
Na3AsO3 + KMnO4 + KOH = Na3AsO4 + K2MnO4 + H2O =>
Na3AsO3 + 2 KMnO4 + 2 KOH = Na3AsO4 + 2 K2MnO4 + H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
KI + Cu(NO3)2 = CuI + I2 + KNO3 =>
4 KI + 2 Cu(NO3)2 = 2 CuI + I2 + 4 KNO3
Zn + P = Zn3P2 =>
3 Zn + 2 P = Zn3P2
C + H2O = CO + H2 =>
C + H2O = CO + H2
CAO + H2O = CA(OH)2 =>
CAO + H2O = CA(OH)2
H2O + Na = NaOH + H =>
H2O + Na = NaOH + H
C3H8O + O2 = CO2 + H20 =>
10 C3H8O + 25 O2 = 30 CO2 + 4 H20
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Cl2 + KOH = KCl + KClO3 + H20 =>
30 Cl2 + 60 KOH = 40 KCl + 20 KClO3 + 3 H20
Br2 + NaOH = NaBrO3 + NaBr + H20 =>
30 Br2 + 60 NaOH = 20 NaBrO3 + 40 NaBr + 3 H20
Zn(NO3)2 + CO(NH2)2 = ZnO + N2 + CO2 + H2O =>
3 Zn(NO3)2 + 5 CO(NH2)2 = 3 ZnO + 8 N2 + 5 CO2 + 10 H2O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
H2O + Sb4O6 + KOH = K3[Sb(OH)6] =>
6 H2O + Sb4O6 + 12 KOH = 4 K3[Sb(OH)6]
KMNO4 + KI + H2SO4 = MNSO4 + K2SO4 + H2O + I2 =>
2 KMNO4 + 10 KI + 8 H2SO4 = 2 MNSO4 + 6 K2SO4 + 8 H2O + 5 I2
CuCl2 + Al = Cu + AlCl3 =>
3 CuCl2 + 2 Al = 3 Cu + 2 AlCl3
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Cl2 + KI = I2 + KCl =>
Cl2 + 2 KI = I2 + 2 KCl
Fe(NO3)3 + NH4SCN = Fe(SCN)6 + NO3 + NH4 =>
Fe(NO3)3 + 6 NH4SCN = Fe(SCN)6 + 3 NO3 + 6 NH4
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
B + F2 = BF2 =>
B + F2 = BF2
CH3COOH + C3H7OH = CH3COOC3H7 + H2O =>
CH3COOH + C3H7OH = CH3COOC3H7 + H2O
SO2 + Br2 + H2O = H2SO4 + HBr =>
SO2 + Br2 + 2 H2O = H2SO4 + 2 HBr
FeCl3 + H2SO4 + KI = FeSO4 + I2 + HCl + KSO4 =>
4 FeCl3 + 6 H2SO4 + 2 KI = 4 FeSO4 + I2 + 12 HCl + 2 KSO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Mg(NO3)2 + CO(NH2)2 = MgO + N2 + CO2 + H2O =>
3 Mg(NO3)2 + 5 CO(NH2)2 = 3 MgO + 8 N2 + 5 CO2 + 10 H2O
KOH + H2So4 = K2So4 + H2O =>
2 KOH + H2So4 = K2So4 + 2 H2O
H3Cit + NaOH = Na3Cit + H2O =>
H3Cit + 3 NaOH = Na3Cit + 3 H2O
MnCl2 + KBrO3 + KOH = MnO2 + KBr + KCl + H2O =>
3 MnCl2 + KBrO3 + 6 KOH = 3 MnO2 + KBr + 6 KCl + 3 H2O
KMnO4 + HBr = MnBr2 + KBr + Br2 + H2O =>
2 KMnO4 + 16 HBr = 2 MnBr2 + 2 KBr + 5 Br2 + 8 H2O
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Zn(NO3)2 + CO(NH2)2 = ZnO + N2 + CO2 + H2O =>
3 Zn(NO3)2 + 5 CO(NH2)2 = 3 ZnO + 8 N2 + 5 CO2 + 10 H2O
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
CaCl2 + Na3Po4 = Ca3(Po4)2 + NaCl =>
3 CaCl2 + 2 Na3Po4 = Ca3(Po4)2 + 6 NaCl
La(NO3)3 + Na2CO3 = La2(CO3)3 + NaNO3 =>
2 La(NO3)3 + 3 Na2CO3 = La2(CO3)3 + 6 NaNO3
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