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2 PBr3 + 3 Ca = 3 CaBr2 + 2 P
Pb + H2O = Pb(OH)2 + H2 =>
Pb + 2 H2O = Pb(OH)2 + H2
Na2C2O4 + KMnO4 + H2SO4 = MnS04 + K2SO4 + CO2 + H2O + Na2SO4 =>
31 Na2C2O4 + 2 KMnO4 + 40 H2SO4 = 2 MnS04 + K2SO4 + 62 CO2 + 40 H2O + 31 Na2SO4
Fe(OH)2 + Na2O2 + H2O = Fe(OH)3 + NaOH =>
2 Fe(OH)2 + Na2O2 + 2 H2O = 2 Fe(OH)3 + 2 NaOH
Mn3O4 + H2SO4 = MnSO4 + MnO2 + H2O =>
Mn3O4 + 2 H2SO4 = 2 MnSO4 + MnO2 + 2 H2O
Al(OH)3 + Fe = Fe(OH)3 + Al =>
Al(OH)3 + Fe = Fe(OH)3 + Al
Ca(s) + Fe(No3)2(aq) = Ca(No3)2 + Fe =>
Ca(s) + Fe(No3)2(aq) = Ca(No3)2 + Fe
C57H104O6 + KOH = C3H8O3 + C18H33O2K =>
C57H104O6 + 3 KOH = C3H8O3 + 3 C18H33O2K
H2 + NO = H2O + N2 =>
2 H2 + 2 NO = 2 H2O + N2
Na2S + CH3COOAg = CH3COONa + Ag2S =>
Na2S + 2 CH3COOAg = 2 CH3COONa + Ag2S
NiSO4 + NH4Cl = NiCl2 + (NH4)2SO4 =>
NiSO4 + 2 NH4Cl = NiCl2 + (NH4)2SO4
(COOH)2 + NaOH = COONa + H2O =>
(COOH)2 + 2 NaOH = 2 COONa + 2 H2O
N2H4 + O = N2 + H2O =>
N2H4 + 2 O = N2 + 2 H2O
CO3 + H2 = CO2 + H2O =>
CO3 + H2 = CO2 + H2O
H2O + NO2 = O2 + NH3 =>
6 H2O + 4 NO2 = 7 O2 + 4 NH3
K2Cr2O7 + K2S2O3 + HCl = KCl + CrCl3 + H2SO4 + H2O =>
4 K2Cr2O7 + 3 K2S2O3 + 38 HCl = 14 KCl + 8 CrCl3 + 6 H2SO4 + 13 H2O
Mg + AgNO3 = Mg(NO3)2 + Ag =>
Mg + 2 AgNO3 = Mg(NO3)2 + 2 Ag
Ba + NiSO4 = BaSO4 + Ni2 =>
2 Ba + 2 NiSO4 = 2 BaSO4 + Ni2
H2C2 + H2 = H6C2 =>
H2C2 + 2 H2 = H6C2
CH3(CH2)20COOH + O2 = CO2 + H2O =>
CH3(CH2)20COOH + 32 O2 = 22 CO2 + 22 H2O
Mn(NO3)2 + BeCl2 = Be(NO3)2 + MnCl2 =>
Mn(NO3)2 + BeCl2 = Be(NO3)2 + MnCl2
Cl2 + BI3 = BCl3 + I2 =>
3 Cl2 + 2 BI3 = 2 BCl3 + 3 I2
O2(g) + MnO(s) = Mn3O4(s) =>
O2(g) + 6 MnO(s) = 2 Mn3O4(s)
C14H29F + O2 = CO2 + H2O + F2 =>
4 C14H29F + 85 O2 = 56 CO2 + 58 H2O + 2 F2
NO2 + O3 = NO3 + O2 =>
NO2 + O3 = NO3 + O2
CH2O2(g) + O2(g) = CO2(g) + H2O =>
2 CH2O2(g) + O2(g) = 2 CO2(g) + 2 H2O
Mg(s) + AgNO3(s) = Ag(s) + Mg(NO3)2(aq) =>
Mg(s) + 2 AgNO3(s) = 2 Ag(s) + Mg(NO3)2(aq)
HNO3 + NaOH = NaNO3H2O =>
HNO3 + NaOH = NaNO3H2O
Zn + CaCl = Zn(CaCl) =>
Zn + CaCl = Zn(CaCl)
FeCl2 + KNO3 + HCl = FeCl3 + NO + H2O + KCl =>
3 FeCl2 + KNO3 + 4 HCl = 3 FeCl3 + NO + 2 H2O + KCl
K2MnO4 + Cl2 = KMnO4 + KCl =>
2 K2MnO4 + Cl2 = 2 KMnO4 + 2 KCl
NH3 + CuCl2*2H2O = [Cu(NH3)4]Cl2 + H2O =>
4 NH3 + CuCl2*2H2O = [Cu(NH3)4]Cl2 + 2 H2O
Na2SiF6 + O2 = Na2O + SiO2 + F2 =>
2 Na2SiF6 + 3 O2 = 2 Na2O + 2 SiO2 + 6 F2
BaSO4 + NaNO3 = NaSO4 + BaNO3 =>
BaSO4 + NaNO3 = NaSO4 + BaNO3
FeS + FeSO4 = Fe2(SO3)3 + Fe3O4 =>
5 FeS + 31 FeSO4 = 12 Fe2(SO3)3 + 4 Fe3O4
KI + NaNO3 + H2SO4 = I2 + NO + K2SO4 + Na2SO4 + H2O =>
6 KI + 2 NaNO3 + 4 H2SO4 = 3 I2 + 2 NO + 3 K2SO4 + Na2SO4 + 4 H2O
C6H6S2 + O2 = CO + H2O + SO2 =>
2 C6H6S2 + 13 O2 = 12 CO + 6 H2O + 4 SO2
N2 + O + H2O = HNO3 =>
N2 + 5 O + H2O = 2 HNO3
CO2 + MgO = Mg(CO3) =>
CO2 + MgO = Mg(CO3)
HSO4 + BaOH = BaSO4 + H2O =>
HSO4 + BaOH = BaSO4 + H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
MnO2 + KOH + O2 = KMnO4 + H2O =>
4 MnO2 + 4 KOH + 3 O2 = 4 KMnO4 + 2 H2O
Pb(NO3)2 + LiBr = Li(NO3)2 + BrPb =>
Pb(NO3)2 + LiBr = Li(NO3)2 + BrPb
KF + BaBr = BaF + KBr =>
KF + BaBr = BaF + KBr
(Ca(NO3)2)5*NH4NO3*10H2O + KCl = KNO3 + CaCl2 + NH4Cl + H2O =>
(Ca(NO3)2)5*NH4NO3*10H2O + 11 KCl = 11 KNO3 + 5 CaCl2 + NH4Cl + 10 H2O
FeF2 + Cs2S = FeS + Cs2F2 =>
FeF2 + Cs2S = FeS + Cs2F2
NaHSO3 + KOH = K2SO3 + Na2SO3 + H2O =>
2 NaHSO3 + 2 KOH = K2SO3 + Na2SO3 + 2 H2O
Na2Cr2O7 + H2SO4 + Zn = Cr2(SO4)3 + ZnSO4 + Na2SO4 + H2O =>
Na2Cr2O7 + 7 H2SO4 + 3 Zn = Cr2(SO4)3 + 3 ZnSO4 + Na2SO4 + 7 H2O
VO{2+} + IO3{-} + OH{-} = VO3{-} + I{-} + H2O =>
6 VO{2+} + IO3{-} + 18 OH{-} = 6 VO3{-} + I{-} + 9 H2O
C4H10(s) + O2(g) = CO2(g) + H2O(l) =>
2 C4H10(s) + 13 O2(g) = 8 CO2(g) + 10 H2O(l)
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