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2 K3[Cr(OH)6] + 3 K2O2 = 2 K2CrO4 + 8 KOH + 2 H2O
C2H4O + O2 = CO2 + H2O =>
2 C2H4O + 5 O2 = 4 CO2 + 4 H2O
KI + H2SO4 = K2SO4 + I2 + H2S + H2O =>
8 KI + 5 H2SO4 = 4 K2SO4 + 4 I2 + H2S + 4 H2O
Ni(NO3)2 + Na2S = NiS + NaNO3 =>
Ni(NO3)2 + Na2S = NiS + 2 NaNO3
CS2 + NH3 = H2S + NH4SCN =>
CS2 + 2 NH3 = H2S + NH4SCN
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
K2FeO4 + H2O = KOH + Fe(OH)3 + O2 =>
4 K2FeO4 + 10 H2O = 8 KOH + 4 Fe(OH)3 + 3 O2
CH3COONa + NaOH = CH4 + Na2CO3 =>
CH3COONa + NaOH = CH4 + Na2CO3
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
Ca + OH = Ca(OH)2 =>
Ca + 2 OH = Ca(OH)2
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
NaHCO3 + H3C6H5O7 = CO2 + H2O + Na3C6H5O7 =>
3 NaHCO3 + H3C6H5O7 = 3 CO2 + 3 H2O + Na3C6H5O7
CH3COONa + NaOH = CH4 + Na2CO3 =>
CH3COONa + NaOH = CH4 + Na2CO3
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
CH4 + O = CO2 + H2O =>
CH4 + 4 O = CO2 + 2 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CaCl2 + H2SO4 = CaSO4 + HCl =>
CaCl2 + H2SO4 = CaSO4 + 2 HCl
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
(NH4)2S + Pb(NO3)2 = NH4NO3 + PbS =>
(NH4)2S + Pb(NO3)2 = 2 NH4NO3 + PbS
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
O2 = O3 =>
3 O2 = 2 O3
K + CaCl2 = KCl + Ca =>
2 K + CaCl2 = 2 KCl + Ca
SO2 + Ca(OH)2 + O2 = CaSO4 + H2O =>
2 SO2 + 2 Ca(OH)2 + O2 = 2 CaSO4 + 2 H2O
H2 + I2 = HI =>
H2 + I2 = 2 HI
P2O5 + KOH = K3PO4 + H2O =>
P2O5 + 6 KOH = 2 K3PO4 + 3 H2O
H2 + I2 = HI =>
H2 + I2 = 2 HI
H2O = H + O =>
H2O = 2 H + O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
KMnO4 + K2SO3 + H2SO4 = MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 K2SO3 + 3 H2SO4 = 2 MnSO4 + 6 K2SO4 + 3 H2O
H2O = H + O =>
H2O = 2 H + O
FeCl3 + KI = FeCl2 + I2 + KCl =>
2 FeCl3 + 2 KI = 2 FeCl2 + I2 + 2 KCl
F + HOH = HF + OH =>
F + HOH = HF + OH
Au + HCl = AuCl + H2 =>
2 Au + 2 HCl = 2 AuCl + H2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na + Zn(ClO3)2 = Zn + NaClO3 =>
2 Na + Zn(ClO3)2 = Zn + 2 NaClO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Au + HNO3 + HCl = AuCl3 + NO + H2O =>
Au + HNO3 + 3 HCl = AuCl3 + NO + 2 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
C6H14O4 + SOCl2 = C6H12Cl2O2 + HCl + SO2 =>
C6H14O4 + 2 SOCl2 = C6H12Cl2O2 + 2 HCl + 2 SO2
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