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ZnCO3 = ZnO + CO2
CrO4{2-} + I{-} + H3O{+} = Cr + I2 + H2O =>
CrO4{2-} + 6 I{-} + 8 H3O{+} = Cr + 3 I2 + 12 H2O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Cr + H2O = CrH2 + O =>
Cr + H2O = CrH2 + O
NaH + BF3 = NaF + BH3 =>
3 NaH + BF3 = 3 NaF + BH3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Br2 + KI = I1 + KBr =>
Br2 + 2 KI = 2 I1 + 2 KBr
CO + OH = C6H12O6 + O2 =>
6 CO + 12 OH = C6H12O6 + 6 O2
N2 + O2 = NO =>
N2 + O2 = 2 NO
Sb2S3 + NO3 = NO2 + SO4 + Sb2O3 =>
Sb2S3 + 15 NO3 = 15 NO2 + 3 SO4 + Sb2O3
Br2 + HCl = BrCl + HBr =>
Br2 + HCl = BrCl + HBr
(NH4)2BeF4 = BeF2 + NH3 + HF =>
(NH4)2BeF4 = BeF2 + 2 NH3 + 2 HF
Cr2O3 + KNO3 + Na2CO3 = CO2 + KNO2 + Na2Cr2O7 =>
Cr2O3 + 3 KNO3 + Na2CO3 = CO2 + 3 KNO2 + Na2Cr2O7
Ca(s) + H2O = Ca(OH)2(aw) + H2(g) =>
Ca(s) + 2 H2O = Ca(OH)2(aw) + H2(g)
Na2O + H2S = Na2S + H2O =>
Na2O + H2S = Na2S + H2O
HVO3 = V2O5 + H2O =>
2 HVO3 = V2O5 + H2O
C16H18 + O2 = CO + H2O =>
2 C16H18 + 25 O2 = 32 CO + 18 H2O
Pb + NaOH + HOH = Na[Pb(OH)3] + H2 =>
Pb + NaOH + 2 HOH = Na[Pb(OH)3] + H2
MgCO3(s) + H2SO4(aq) = MgSO4(aq) + H2CO3(s) =>
MgCO3(s) + H2SO4(aq) = MgSO4(aq) + H2CO3(s)
Zn + AgNo3 = ZnNo32 + Ag =>
3 Zn + 32 AgNo3 = 3 ZnNo32 + 32 Ag
La4O6 + Sr2CO6 + Co2O2 = La3Sr1Co2O8 + C2O4 + O4 =>
6 La4O6 + 4 Sr2CO6 + 8 Co2O2 = 8 La3Sr1Co2O8 + 2 C2O4 + O4
PbSO4 + Ba3(PO4)2 = Pb3(PO4)2 + BaSO4 =>
3 PbSO4 + Ba3(PO4)2 = Pb3(PO4)2 + 3 BaSO4
NaCHO3 + CaCl2 = CaCO3 + NaCl + H2O + CO2 =>
2 NaCHO3 + CaCl2 = CaCO3 + 2 NaCl + H2O + CO2
Rb2SO4 + Ca3(PO4)2 = CaSO4 + Rb3PO4 =>
3 Rb2SO4 + Ca3(PO4)2 = 3 CaSO4 + 2 Rb3PO4
K2CrO4 + (NH4)2S + H2O = Cr(OH)3 + (NH4)2SO4 + KOH =>
8 K2CrO4 + 3(NH4)2S + 20 H2O = 8 Cr(OH)3 + 3(NH4)2SO4 + 16 KOH
Co(OH)3 + HCl = O2 + CoCl2 + H2O =>
4 Co(OH)3 + 8 HCl = O2 + 4 CoCl2 + 10 H2O
CuCl + O2 = Cu(ClO3) =>
2 CuCl + 3 O2 = 2 Cu(ClO3)
K2SO4(aq) + CaCl2(aq) = KCl + CaSO4 =>
K2SO4(aq) + CaCl2(aq) = 2 KCl + CaSO4
ZnC2H3O2 + AlNO3 = ZnNO3 + AlC2H3O2 =>
ZnC2H3O2 + AlNO3 = ZnNO3 + AlC2H3O2
BaCl2 + NaHCO3 = Ba(HCO3)2 + NaCl =>
BaCl2 + 2 NaHCO3 = Ba(HCO3)2 + 2 NaCl
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
H2SO4(aq) + Ca(OH)2(aq) = H2O(l) + CaSO4 =>
H2SO4(aq) + Ca(OH)2(aq) = 2 H2O(l) + CaSO4
NaH2PO4 = Na + H + HPO4 =>
NaH2PO4 = Na + H + HPO4
K2S + HClO4 + H2O = KCl + S + KOH =>
4 K2S + HClO4 + 3 H2O = KCl + 4 S + 7 KOH
CH3CH2OH + H2SO4 + KMnO4 = CH3COH + K2SO4 + MnSO4 + H2O =>
5 CH3CH2OH + 3 H2SO4 + 2 KMnO4 = 5 CH3COH + K2SO4 + 2 MnSO4 + 8 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
HNO3 + KI + HCl = NO2 + KICl4 + H2O =>
4 HNO3 + KI + 4 HCl = 4 NO2 + KICl4 + 4 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Na2CO3(aq) + CoCl2(aq) = CoCO3(s) + NaCl =>
Na2CO3(aq) + CoCl2(aq) = CoCO3(s) + 2 NaCl
(C6H5)2SiCl2 + H2O = (C6H5)2Si(OH)2 + HCl =>
(C6H5)2SiCl2 + 2 H2O = (C6H5)2Si(OH)2 + 2 HCl
KNO3(s) = KNO2(a) + O2(g) =>
2 KNO3(s) = 2 KNO2(a) + O2(g)
CuCl2 + K4FeCN6 = Cu2FeCN6 + KCl =>
2 CuCl2 + K4FeCN6 = Cu2FeCN6 + 4 KCl
C8H16O2 + NaOH = C8H15NaO2 + H2O =>
C8H16O2 + NaOH = C8H15NaO2 + H2O
K + SI = KSI =>
K + SI = KSI
H3PO4{+} + KOH = K3PO4{+} + H2O =>
H3PO4{+} + 3 KOH = K3PO4{+} + 3 H2O
NaCl + AgNO3 = Ag + NaNO3 + Cl =>
NaCl + AgNO3 = Ag + NaNO3 + Cl
Fe3O4(s) + O2(g) = Fe2O3(s) =>
4 Fe3O4(s) + O2(g) = 6 Fe2O3(s)
Cl2 + NH4Cl = NCl + HCl =>
2 Cl2 + NH4Cl = NCl + 4 HCl
H2S + NaOH = Na2S + H2O =>
H2S + 2 NaOH = Na2S + 2 H2O
CuSO4 + NaS = SCu + NaSO4 =>
CuSO4 + NaS = SCu + NaSO4
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