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Na2 + 2 H2O = H2 + 2 NaOH
Cr(s) + O2(g) = Cr2O3(s) =>
4 Cr(s) + 3 O2(g) = 2 Cr2O3(s)
Na2S2O3 + O2 = Na2SO4 + SO2 =>
2 Na2S2O3 + 3 O2 = 2 Na2SO4 + 2 SO2
K3PO4 = K2O + P4O10 =>
4 K3PO4 = 6 K2O + P4O10
K2CO3 + FeCl3 = Fe2(CO3)3 + KCl =>
3 K2CO3 + 2 FeCl3 = Fe2(CO3)3 + 6 KCl
KCN + Cu2O = K2O + CuCN =>
2 KCN + Cu2O = K2O + 2 CuCN
HSCH2CO2H = HSCH2CO2{-} + H{+} =>
HSCH2CO2H = HSCH2CO2{-} + H{+}
CrO3 + HF = CrO2F2 + H2O =>
CrO3 + 2 HF = CrO2F2 + H2O
H2CO3 + Sr(OH)2 = SrCO3 + H2O =>
H2CO3 + Sr(OH)2 = SrCO3 + 2 H2O
Ca(OH)2 + C2H5OH = (C2H5O)2Ca + H2O =>
Ca(OH)2 + 2 C2H5OH = (C2H5O)2Ca + 2 H2O
K2[Zn(OH)4] = KOH + Zn(OH)2 =>
K2[Zn(OH)4] = 2 KOH + Zn(OH)2
PH + Cl2 + H2O = H3PO4 + HCl =>
PH + 3 Cl2 + 4 H2O = H3PO4 + 6 HCl
HCOONa + HCOOH = H2COONa + COOH =>
HCOONa + HCOOH = H2COONa + COOH
KBrO + SnCl2 + KOH + H2O = K2[Sn(OH)6] + KBr + KCl =>
KBrO + SnCl2 + 4 KOH + H2O = K2[Sn(OH)6] + KBr + 2 KCl
NaNo3 + PBO = PB(No3)2 + Na2O =>
2 NaNo3 + PBO = PB(No3)2 + Na2O
Na2S + ZnSO4 = ZnS + Na2SO3 =>
4 Na2S + 3 ZnSO4 = 3 ZnS + 4 Na2SO3
Zn(OH)2 + NH3 = ZnO + NH4OH =>
Zn(OH)2 + NH3 = ZnO + NH4OH
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
F + H = FH =>
F + H = FH
FeO + Na2CO3 = Fe2(CO3)2 + Na2O =>
2 FeO + 2 Na2CO3 = Fe2(CO3)2 + 2 Na2O
Br2 + NaNO2 + H2O = HBr + NaNO3 =>
Br2 + NaNO2 + H2O = 2 HBr + NaNO3
(NH4)3PO4 + CaOH2 = Ca3(PO4)2 + NH4 + H2O =>
2(NH4)3PO4 + 3 CaOH2 = Ca3(PO4)2 + 6 NH4 + 3 H2O
C4H8HCl = C2H6C2H3Cl =>
C4H8HCl = C2H6C2H3Cl
FeO + O2 = Fe2O3 =>
4 FeO + O2 = 2 Fe2O3
Fe2(SO3)3 + BaCl2 = BaSO3 + FeCl3 =>
Fe2(SO3)3 + 3 BaCl2 = 3 BaSO3 + 2 FeCl3
SrOHNO3 = SrOH + NO3 =>
SrOHNO3 = SrOH + NO3
CrCl3 + Al(OH)3 = Cr(OH)3 + AlCl3 =>
CrCl3 + Al(OH)3 = Cr(OH)3 + AlCl3
NaOH + H2SO4 = NaOHSO4 + H =>
NaOH + H2SO4 = NaOHSO4 + 2 H
NaCO3 + HCl = NaCl2 + H2CO3 =>
NaCO3 + 2 HCl = NaCl2 + H2CO3
CH3COOH + NH4OH = CH3COO + H2O + NH4 =>
CH3COOH + NH4OH = CH3COO + H2O + NH4
Al + FeCl2 = Al(FeCl2) =>
Al + FeCl2 = Al(FeCl2)
(NH4)2CrO4 + BaCl2 = BaCrO4 + (NH4)Cl =>
(NH4)2CrO4 + BaCl2 = BaCrO4 + 2(NH4)Cl
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
C6H2O(l) + O2(g) = CO2 + H2O =>
C6H2O(l) + 6 O2(g) = 6 CO2 + H2O
PbSH2SO4 = PbSO4H2S =>
PbSH2SO4 = PbSO4H2S
LiOHBaCl2 = BaOHLiCl2 =>
LiOHBaCl2 = BaOHLiCl2
KBrO + SnCl2 + KOH + H2O = K2[Sn(OH)6] + KBr + KCl =>
KBrO + SnCl2 + 4 KOH + H2O = K2[Sn(OH)6] + KBr + 2 KCl
NaC2H3O2 + H2SO4 = Na2SO4 + HC2H3O2 =>
2 NaC2H3O2 + H2SO4 = Na2SO4 + 2 HC2H3O2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Cr(OH)3 + NaOH = Na3[Cr(OH)6] =>
Cr(OH)3 + 3 NaOH = Na3[Cr(OH)6]
SCl2 + NaF = SF4 + S2Cl2 + NaCl =>
3 SCl2 + 4 NaF = SF4 + S2Cl2 + 4 NaCl
Fe3SO4 + NaOH = Fe3(OH)2 + Na2SO4 =>
Fe3SO4 + 2 NaOH = Fe3(OH)2 + Na2SO4
C5H12 + HCl = C5H11Cl + H2 =>
C5H12 + HCl = C5H11Cl + H2
I2 + HNO3 = HIO3 + NO2 + H2O =>
I2 + 10 HNO3 = 2 HIO3 + 10 NO2 + 4 H2O
Sr(OH)2 + NO2 = Sr(NO3)2 + H2 =>
Sr(OH)2 + 2 NO2 = Sr(NO3)2 + H2
KCl + Na3[CO(NO2)6] = NaCl + K3[CO(NO2)6] =>
3 KCl + Na3[CO(NO2)6] = 3 NaCl + K3[CO(NO2)6]
methane + oxygen = CH4O2 =>
CH4 + O2 = CH4O2
P + Na = Na3P =>
P + 3 Na = Na3P
FeS + NaOH = Fe(OH)2 + Na2S =>
FeS + 2 NaOH = Fe(OH)2 + Na2S
BaBr2 + (NH4)2SO3 = BaSO3 + NH4Br =>
BaBr2 + (NH4)2SO3 = BaSO3 + 2 NH4Br
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