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Cr2O7 + 7 C2H4O = 7 C2H4O2 + 2 Cr
CaHPO4 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
2 CaHPO4 + H2SO4 = CaSO4 + Ca(H2PO4)2
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
S2O3{2-} + H2O = SO4{2-} + H{+} + e =>
S2O3{2-} + 5 H2O = 2 SO4{2-} + 10 H{+} + 8e
NaClHNO3 = HClNaNO3 =>
NaClHNO3 = HClNaNO3
BaCl2 + Mg = MgCl2 + Ba =>
BaCl2 + Mg = MgCl2 + Ba
Al2(SO4)3 + H2O = Al(OH)3 + H2SO4 =>
Al2(SO4)3 + 6 H2O = 2 Al(OH)3 + 3 H2SO4
FeCl3 + H2SO4 + KI = K2SO4 + I2 + HCl + Fe =>
2 FeCl3 + 3 H2SO4 + 6 KI = 3 K2SO4 + 3 I2 + 6 HCl + 2 Fe
CH3CH2CH2OH + CuO = CH3CH2COH + H2O + Cu =>
CH3CH2CH2OH + CuO = CH3CH2COH + H2O + Cu
FeSO4 + HNO3 + H2SO4 = Fe2(SO4)3 + NO + H2O =>
6 FeSO4 + 2 HNO3 + 3 H2SO4 = 3 Fe2(SO4)3 + 2 NO + 4 H2O
M2X6 = M + X =>
M2X6 = 2 M + 6 X
WO3 + SnCl2 + HCl = H2SnCl6 + W3O6 + H2O =>
3 WO3 + 3 SnCl2 + 12 HCl = 3 H2SnCl6 + W3O6 + 3 H2O
Na2CrO4 + BaCl2 = BaCrO4 + NaCl =>
Na2CrO4 + BaCl2 = BaCrO4 + 2 NaCl
H3PO4 + NH4 = (NH4)2HPO4 + H2 =>
H3PO4 + 2 NH4 = (NH4)2HPO4 + H2
HClO4 + Ni = Ni(ClO4)3 + H =>
3 HClO4 + Ni = Ni(ClO4)3 + 3 H
Ca(OH)2 + (NH4)2CO3 = Ca(CO3) + NH3 + H2O =>
Ca(OH)2 + (NH4)2CO3 = Ca(CO3) + 2 NH3 + 2 H2O
CH4 + C = C5H10 =>
5 CH4 + 5 C = 2 C5H10
Pb(NO3)02(aq) + KI(aq) = KNO3(aq) + PbI2(aq) =>
Pb(NO3)02(aq) + 2 KI(aq) = 2 KNO3(aq) + PbI2(aq)
Ra + O2 = RaO =>
2 Ra + O2 = 2 RaO
H2O2 + KI = KO + HI =>
H2O2 + 2 KI = 2 KO + 2 HI
MgSO4 + LiOH = LiSO4MgOH =>
MgSO4 + LiOH = LiSO4MgOH
HOCl = Cl2 + H2O + O =>
2 HOCl = Cl2 + H2O + O
Al(s) + H2SO4(aq) = Al2(SO4)4(aq) + H2(g) =>
2 Al(s) + 4 H2SO4(aq) = Al2(SO4)4(aq) + 4 H2(g)
S + OCl = SO3 + Cl =>
S + 3 OCl = SO3 + 3 Cl
CH3CH2(OH) + K2Cr2O7 + H2SO4 = CH3COOH + K2SO4Cr2(SO4)3 + H2O =>
3 CH3CH2(OH) + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 K2SO4Cr2(SO4)3 + 11 H2O
Ge + HNO3 = Ge(NO3)2 + NO + H2O =>
3 Ge + 8 HNO3 = 3 Ge(NO3)2 + 2 NO + 4 H2O
HNO2 + HCl = NO + Cl2 + H2O =>
2 HNO2 + 2 HCl = 2 NO + Cl2 + 2 H2O
CH3COOH(g) + O2(g) = CO2(g) + H2O(aq) =>
CH3COOH(g) + 2 O2(g) = 2 CO2(g) + 2 H2O(aq)
NiCl2(aq) + Na2SO4(aq) = NiSO4 + NaCl =>
NiCl2(aq) + Na2SO4(aq) = NiSO4 + 2 NaCl
KHCO3*MgCO3*4H2O + Mg = MgCO3*3H2O + K + CO2 =>
2 KHCO3*MgCO3*4H2O + Mg = 3 MgCO3*3H2O + 2 K + CO2
KI + Pb(NO3)4 = K(NO3)2 + PbI2 =>
2 KI + Pb(NO3)4 = 2 K(NO3)2 + PbI2
HCOOH + Ag2O = CO2 + H2O + Ag =>
HCOOH + Ag2O = CO2 + H2O + 2 Ag
Ca(OH)2 + H3PO3 = CaOHH2PO3 + H2O =>
Ca(OH)2 + H3PO3 = CaOHH2PO3 + H2O
C8H18S + O2 = CO2 + H2O + SO3 =>
C8H18S + 14 O2 = 8 CO2 + 9 H2O + SO3
B2O3 + NH2CONH2 = BN + CO2 + H2O =>
B2O3 + NH2CONH2 = 2 BN + CO2 + 2 H2O
MgNH4PO4 + NaOH = Mg(OH)2 + Na2HPO4 + NH3 =>
MgNH4PO4 + 2 NaOH = Mg(OH)2 + Na2HPO4 + NH3
O2 + CN2 = CO2 + NO2 =>
3 O2 + CN2 = CO2 + 2 NO2
HI(aq) + Zn(NO3)2(aq) = HNO3(aq) + ZnI2(aq) =>
2 HI(aq) + Zn(NO3)2(aq) = 2 HNO3(aq) + ZnI2(aq)
Fr(s) + Cl2(g) = FrCl =>
2 Fr(s) + Cl2(g) = 2 FrCl
Zn2CO3 + O2 = ZnO + CO2 =>
2 Zn2CO3 + O2 = 4 ZnO + 2 CO2
NH4 + HCl = H4 + NCl =>
4 NH4 + 4 HCl = 5 H4 + 4 NCl
Fe2(CO3)2 = Fe + CO3 =>
Fe2(CO3)2 = 2 Fe + 2 CO3
C2H3 = C8 + H8 =>
8 C2H3 = 2 C8 + 3 H8
Na2SO3 + C2H4O2 = NaC2H3O2 + SCO2 + H2O =>
2 Na2SO3 + 5 C2H4O2 = 4 NaC2H3O2 + 2 SCO2 + 4 H2O
H2C2O4 + H2O2 = CO2H2O =>
H2C2O4 + H2O2 = 2 CO2H2O
K2Cr2O7 + KI + H2SO4 = Cr2(SO)3 + KIO3 + H2O + K2SO4 =>
K2Cr2O7 + 4 KI + 4 H2SO4 = Cr2(SO)3 + 4 KIO3 + 4 H2O + K2SO4
FeCl2 + NaNO3 = Fe(NO3)2 + NaCl =>
FeCl2 + 2 NaNO3 = Fe(NO3)2 + 2 NaCl
HNO3 + MgCO3 = MgNO3 + HCO3 =>
HNO3 + MgCO3 = MgNO3 + HCO3
HBr(aq) + NH3(aq) = NH4Br(s) =>
HBr(aq) + NH3(aq) = NH4Br(s)
IO5 + CO = I2 + CO2 =>
2 IO5 + 10 CO = I2 + 10 CO2
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