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2 H2O = 2 H2 + O2
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
K + O2 = K2O =>
4 K + O2 = 2 K2O
Na2Cr2O7 + NaOH = Na2CrO4 + H2O =>
Na2Cr2O7 + 2 NaOH = 2 Na2CrO4 + H2O
NaHSO3 + HOCl = NaHSO4 + HCl =>
NaHSO3 + HOCl = NaHSO4 + HCl
Ca(s) + H3Po4(aq) = Ca3(Po4)2(s) + H2(g) =>
3 Ca(s) + 2 H3Po4(aq) = Ca3(Po4)2(s) + 3 H2(g)
C6H12 + KMnO4 = C3H6O2 + KMnO2 =>
C6H12 + 2 KMnO4 = 2 C3H6O2 + 2 KMnO2
CACO3 = CAO + CO2 =>
CACO3 = CAO + CO2
Al + Cl2 = Al2Cl6 =>
2 Al + 3 Cl2 = Al2Cl6
CH3(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)6CH3 + 25 O2 = 16 CO2 + 18 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Na2S2O5 + HOCl + H2O = NaHSO4 + HCl =>
Na2S2O5 + 2 HOCl + H2O = 2 NaHSO4 + 2 HCl
AgNO3 + Al = Ag + Al(NO3)2 =>
2 AgNO3 + Al = 2 Ag + Al(NO3)2
ZN + HCl = ZNCl2 + H2 =>
ZN + 2 HCl = ZNCl2 + H2
Na2S2O5 + HOCl + H2O = NaHSO4 + HCl =>
Na2S2O5 + 2 HOCl + H2O = 2 NaHSO4 + 2 HCl
Mg + AgNO3 = Mg(NO3)2 + Ag =>
Mg + 2 AgNO3 = Mg(NO3)2 + 2 Ag
Be2C + H2O = Be(OH)2 + CH4 =>
Be2C + 4 H2O = 2 Be(OH)2 + CH4
KBrO3 = KBr + O2 =>
2 KBrO3 = 2 KBr + 3 O2
LiI + Br2 = LiBr + I2 =>
2 LiI + Br2 = 2 LiBr + I2
NH4OH + H2S = H3O + NH4S =>
NH4OH + H2S = H3O + NH4S
Na2SO3 + BaCl2 = NaCl + BaSO3 =>
Na2SO3 + BaCl2 = 2 NaCl + BaSO3
(NH4)2CO3 + NaOH = Na2CO3 + NH3 + H2O =>
(NH4)2CO3 + 2 NaOH = Na2CO3 + 2 NH3 + 2 H2O
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
HCl + Fe2O3 = FeCl3 + H2O =>
6 HCl + Fe2O3 = 2 FeCl3 + 3 H2O
C4H8 + O2 = CO2 + H20 =>
5 C4H8 + 20 O2 = 20 CO2 + 2 H20
CoS + CuO = CoO + CuS =>
CoS + CuO = CoO + CuS
KMnO4 + H2C2O4 + HCl = MnCl2 + KCl + CO2 + H2O =>
2 KMnO4 + 5 H2C2O4 + 6 HCl = 2 MnCl2 + 2 KCl + 10 CO2 + 8 H2O
HBr + CaF2 = CaBr2 + HF =>
2 HBr + CaF2 = CaBr2 + 2 HF
NaF + AlF3 = Na3AlF6 =>
3 NaF + AlF3 = Na3AlF6
CaCl2 + AgNO3 = AgCl + Ca(NO3)2 =>
CaCl2 + 2 AgNO3 = 2 AgCl + Ca(NO3)2
NAALO2 + H2O = NAOH + AL(OH)3 =>
NAALO2 + 2 H2O = NAOH + AL(OH)3
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Fe + H2O + O2 = Fe(OH)3 =>
4 Fe + 6 H2O + 3 O2 = 4 Fe(OH)3
CsNO3 + KCl = CsCl + KNO3 =>
CsNO3 + KCl = CsCl + KNO3
AL + H3PO4 = ALPO4 + H2 =>
2 AL + 2 H3PO4 = 2 ALPO4 + 3 H2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
CH3CH2OH + O2 = CH3CHO + H2O =>
2 CH3CH2OH + O2 = 2 CH3CHO + 2 H2O
LiI + Br2 = LiBr + I2 =>
2 LiI + Br2 = 2 LiBr + I2
Al + H3PO4 = AlPO4 + H2 =>
2 Al + 2 H3PO4 = 2 AlPO4 + 3 H2
Ag(NO2) + Ba(SO4) = Ba(NO2)2 + Ag2(SO4) =>
2 Ag(NO2) + Ba(SO4) = Ba(NO2)2 + Ag2(SO4)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CLO2 + H20 = HCLO3 + HCL =>
60 CLO2 + 3 H20 = 40 HCLO3 + 20 HCL
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
J2 + HNO3 = HJO3 + NO2 + H20 =>
5 J2 + 30 HNO3 = 10 HJO3 + 30 NO2 + H20
Ni(NO3)2 + NaOH = Ni(OH)2 + NaNO3 =>
Ni(NO3)2 + 2 NaOH = Ni(OH)2 + 2 NaNO3
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
H3SbO4 + HI = H3SbO3 + I2 + H2O =>
H3SbO4 + 2 HI = H3SbO3 + I2 + H2O
NAALO2 + H2O = NAOH + AL(OH)3 =>
NAALO2 + 2 H2O = NAOH + AL(OH)3
CO + H2O = CO2 + H2 =>
CO + H2O = CO2 + H2
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