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MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
NO2{-} + Zn + OH{-} = NH3 + ZnO2{2-} + H2O =>
NO2{-} + 3 Zn + 5 OH{-} = NH3 + 3 ZnO2{2-} + H2O
NaCl(aq) + K2CrO4(aq) = KCl + Na2CrO4 =>
2 NaCl(aq) + K2CrO4(aq) = 2 KCl + Na2CrO4
Li + O3 = Li2O =>
6 Li + O3 = 3 Li2O
K2SO4H2SO4 = K(HSO4) =>
K2SO4H2SO4 = 2 K(HSO4)
NaI(s) = Na + I =>
NaI(s) = Na + I
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
C4H6O6 + CaCO3 = H2O + CO2 + CaC4H4O6 =>
C4H6O6 + CaCO3 = H2O + CO2 + CaC4H4O6
C6H12O6 + CuSO4 + NaOH = C6H12O7 + CuOH + Na2SO4 + H2O =>
C6H12O6 + 2 CuSO4 + 4 NaOH = C6H12O7 + 2 CuOH + 2 Na2SO4 + H2O
H2SO4 + Ca = CaSO4 + SO2 + H2O =>
2 H2SO4 + Ca = CaSO4 + SO2 + 2 H2O
KSCN(aq) + Fe(NO3)3 = (Fe(SCN)3)(aq) + KNO3(aq) =>
3 KSCN(aq) + Fe(NO3)3 = (Fe(SCN)3)(aq) + 3 KNO3(aq)
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
As2O3 + H2O = H2As2O4 =>
As2O3 + H2O = H2As2O4
Fe + HF = Fe2F2 + H2 =>
2 Fe + 2 HF = Fe2F2 + H2
KNO3(s) + C(s) = K2CO3(s) + CO(g) + N2 =>
2 KNO3(s) + 4 C(s) = K2CO3(s) + 3 CO(g) + N2
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
C5H10 + O2 = H2C5H6 + H2O =>
2 C5H10 + O2 = 2 H2C5H6 + 2 H2O
S(O3)(g) + H2O = H2(SO4)(l) =>
S(O3)(g) + H2O = H2(SO4)(l)
HCOONa + NaOH = Na2CO3 + H2 =>
HCOONa + NaOH = Na2CO3 + H2
[Fe(C2O4)3] + F = [FeF6] + (C2O4)2 =>
2[Fe(C2O4)3] + 12 F = 2[FeF6] + 3(C2O4)2
SiF4 + NH3 = Si3N4 + HF =>
3 SiF4 + 4 NH3 = Si3N4 + 12 HF
Cl + MgBr = MgCl2 + Br =>
2 Cl + MgBr = MgCl2 + Br
HCl + CaCO3 = H2 + CO3 + CaCl2 =>
2 HCl + CaCO3 = H2 + CO3 + CaCl2
H3O{+} + CO3{2-}— = H2O + CO2 =>
2 H3O{+} + CO3{2-}— = 3 H2O + CO2
HF(aq) + NaHCO3(aq) = NaF(aq) + H2O(l) + CO2(g) =>
HF(aq) + NaHCO3(aq) = NaF(aq) + H2O(l) + CO2(g)
KBrF4 + Rh = K2RhF6 + BrF =>
2 KBrF4 + Rh = K2RhF6 + 2 BrF
Pb3O4 + CO = Pb + CO32 =>
31 Pb3O4 + 4 CO = 93 Pb + 4 CO32
MgO(s) = Mg(s) + O2(g) =>
2 MgO(s) = 2 Mg(s) + O2(g)
NaOH + H2C4H4O5 = NaC4H4O5 + H2O + H =>
NaOH + H2C4H4O5 = NaC4H4O5 + H2O + H
CaCO3 + H = Ca + H3O + CO2 =>
CaCO3 + 3 H = Ca + H3O + CO2
Zn + KNO3 + KOH = K2ZnO2 + NH4NO3 + H2O =>
4 Zn + 2 KNO3 + 6 KOH = 4 K2ZnO2 + NH4NO3 + H2O
NiCl3(aq) + Na2CO3(aq) = NaCl(aq) + Ni2(CO3)3(s) =>
2 NiCl3(aq) + 3 Na2CO3(aq) = 6 NaCl(aq) + Ni2(CO3)3(s)
RbCl + Br2 = RbBr + Cl2 =>
2 RbCl + Br2 = 2 RbBr + Cl2
[Ag(NH3)2]2SO4 + NaOH = Ag2O + Na2SO4 + NH3 + H2O =>
[Ag(NH3)2]2SO4 + 2 NaOH = Ag2O + Na2SO4 + 4 NH3 + H2O
Na(OH)(aq) + HCl(aq) = NaCl(aq) + H2O(l) =>
Na(OH)(aq) + HCl(aq) = NaCl(aq) + H2O(l)
B2O3 + Mg = MgO + B =>
B2O3 + 3 Mg = 3 MgO + 2 B
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Mg + C = Mg2C =>
2 Mg + C = Mg2C
C8H4 + O2 = C + H2O =>
C8H4 + O2 = 8 C + 2 H2O
CaCl2 + Ag3PO4 = CaPO4 + Ag3Cl2 =>
CaCl2 + Ag3PO4 = CaPO4 + Ag3Cl2
NiO + H2SO4 = NiSO4 + H2O =>
NiO + H2SO4 = NiSO4 + H2O
BaCO3 + NH4NO3 = Ba(NO3)2 + NH3 + H2O + CO2 =>
BaCO3 + 2 NH4NO3 = Ba(NO3)2 + 2 NH3 + H2O + CO2
Cu2O(s) + O2(g) = CuO(s) =>
2 Cu2O(s) + O2(g) = 4 CuO(s)
H2S + HNO3 = H2SO4 + NO2 + H2O =>
H2S + 8 HNO3 = H2SO4 + 8 NO2 + 4 H2O
Li2O = Li2 + O =>
Li2O = Li2 + O
K2CrO4 + Zn + H2SO4 = ZnSO4 + Cr2(SO4)3 + KHSO4 + H2O =>
2 K2CrO4 + 3 Zn + 10 H2SO4 = 3 ZnSO4 + Cr2(SO4)3 + 4 KHSO4 + 8 H2O
CuFeS2 + O2 = Cu2S + FeO + SO2 =>
2 CuFeS2 + 4 O2 = Cu2S + 2 FeO + 3 SO2
HI(aq) + CaCO3(s) = CaI2(aq) + H2CO3(aq) =>
2 HI(aq) + CaCO3(s) = CaI2(aq) + H2CO3(aq)
HNO3Cu(OH)2 = H2OCuOHNO3 =>
HNO3Cu(OH)2 = H2OCuOHNO3
Ge + CH3Cl + Cu = CuCl2 + Ge(CH3)4 =>
Ge + 4 CH3Cl + 2 Cu = 2 CuCl2 + Ge(CH3)4
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