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Na2CrO4 + AgNO3 = Na2NO3 + AgCrO4
H2O + CO2 = C6H12O6 + O2 =>
6 H2O + 6 CO2 = C6H12O6 + 6 O2
SiOOH*H2O + H2SO4 = Si2(SO4)3 + H2O =>
2 SiOOH*H2O + 3 H2SO4 = Si2(SO4)3 + 6 H2O
CuFeS2 + FeCl3 = CuCl2 + FeCl2 + S =>
CuFeS2 + 4 FeCl3 = CuCl2 + 5 FeCl2 + 2 S
Zn + O2 = ZnO2 =>
Zn + O2 = ZnO2
Ca + S + O = CaSO4 =>
Ca + S + 4 O = CaSO4
Al(OH)3 + P2O5 = AlPO4 + H2O =>
2 Al(OH)3 + P2O5 = 2 AlPO4 + 3 H2O
Sn(OH)2 + HCl = SnCl2 + H2O =>
Sn(OH)2 + 2 HCl = SnCl2 + 2 H2O
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
NH3 + H2O + CO2 = (NH4)2CO3 =>
2 NH3 + H2O + CO2 = (NH4)2CO3
H2S + Fe(OH)3 = Fe2S3 + H2O =>
3 H2S + 2 Fe(OH)3 = Fe2S3 + 6 H2O
Sn(OH)2 + HCl = SnCl2 + H2O =>
Sn(OH)2 + 2 HCl = SnCl2 + 2 H2O
CO2 + KOH = H2O + K2CO3 =>
CO2 + 2 KOH = H2O + K2CO3
Na + H3PO4 = Na2HPO4 + H2 =>
2 Na + H3PO4 = Na2HPO4 + H2
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Fe(s) + O2(g) = Fe2O3(s) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(s)
PbS + H2O2 = PbSO4 + H2O =>
PbS + 4 H2O2 = PbSO4 + 4 H2O
HNO3 + KOH = H2O + KNO3 =>
HNO3 + KOH = H2O + KNO3
Sn(OH)2 + NaOH = Na2[Sn(OH)4] =>
Sn(OH)2 + 2 NaOH = Na2[Sn(OH)4]
CUS + HNO3 = CUSO4 + H20 + NO2 =>
5 CUS + 20 HNO3 = 5 CUSO4 + H20 + 20 NO2
K + N2 + O2 = KNO3 =>
2 K + N2 + 3 O2 = 2 KNO3
NaOH + Cl2 = H2O + NaCl + NaClO =>
2 NaOH + Cl2 = H2O + NaCl + NaClO
H2O = H + O =>
H2O = 2 H + O
Cr + PbCl2 = CrCl2 + Pb =>
Cr + PbCl2 = CrCl2 + Pb
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
H2O = H + O =>
H2O = 2 H + O
Cu + MgSO4 = CuSO4 + Mg =>
Cu + MgSO4 = CuSO4 + Mg
CUS + HNO3 = CUSO4 + NO2 + H2O =>
CUS + 8 HNO3 = CUSO4 + 8 NO2 + 4 H2O
H2O + {-4} = OH{-} + H2 =>
4 H2O + {-4} = 4 OH{-} + 2 H2
HCl + Fe = FeCl2 + H2 =>
2 HCl + Fe = FeCl2 + H2
KI + H2O2 = I2 + KOH =>
2 KI + H2O2 = I2 + 2 KOH
Cr + PbCl3 = CrCl + Pb =>
3 Cr + PbCl3 = 3 CrCl + Pb
K + HNO3 = K2NO3 + H2 =>
4 K + 2 HNO3 = 2 K2NO3 + H2
Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O
Zn + S = ZnS =>
Zn + S = ZnS
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
K2S + KMnO4 + KOH = SO + K2MnO4 + H2O =>
K2S + 4 KMnO4 + 2 KOH = SO + 4 K2MnO4 + H2O
Pb(CH3COO)2 + NaOH = Pb(OH)2 + CH3COONa =>
Pb(CH3COO)2 + 2 NaOH = Pb(OH)2 + 2 CH3COONa
Mg + CO2 = MgO + C =>
2 Mg + CO2 = 2 MgO + C
Fe2O3 + Al = Al2O3 + Fe =>
Fe2O3 + 2 Al = Al2O3 + 2 Fe
FeS2 + O2 = SO2 + Fe2O3 =>
4 FeS2 + 11 O2 = 8 SO2 + 2 Fe2O3
KMNO4 + H2SO4 + Na2SO3 = MNSO4 + K2SO4 + H2O + Na2SO4 =>
2 KMNO4 + 3 H2SO4 + 5 Na2SO3 = 2 MNSO4 + K2SO4 + 3 H2O + 5 Na2SO4
H2SO4 + NaOH = NaSO4 + OH3 =>
H2SO4 + NaOH = NaSO4 + OH3
H2C2O4 + KClO3 = K2CO3 + CO2 + ClO2 + H2O =>
H2C2O4 + 2 KClO3 = K2CO3 + CO2 + 2 ClO2 + H2O
KClO3 = KCl + KClO4 =>
4 KClO3 = KCl + 3 KClO4
H2O + {-4} = OH{-} + H2 =>
4 H2O + {-4} = 4 OH{-} + 2 H2
KMnO4 + HCl = MnO2 + Cl2 + KCl + H2O =>
2 KMnO4 + 8 HCl = 2 MnO2 + 3 Cl2 + 2 KCl + 4 H2O
Fe2O3 + Al = Al2O3 + Fe =>
Fe2O3 + 2 Al = Al2O3 + 2 Fe
Cl2 + K2CO3 = KCl + KClO + CO2 =>
Cl2 + K2CO3 = KCl + KClO + CO2
C4H10O + O2 = CO2 + H2O =>
C4H10O + 6 O2 = 4 CO2 + 5 H2O
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