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4 FeO + O2 = 2 Fe2O3
(NH4)2S + ZnSO4 = (NH4)2SO4 + ZnS =>
(NH4)2S + ZnSO4 = (NH4)2SO4 + ZnS
K(NO3) + CrF3 = KF + Cr(NO3)3 =>
3 K(NO3) + CrF3 = 3 KF + Cr(NO3)3
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
HClO4 + NH3 = ClO4 + NH4 =>
HClO4 + NH3 = ClO4 + NH4
PCl5 + SO2 = SOCl2 + P4O10 =>
4 PCl5 + 10 SO2 = 10 SOCl2 + P4O10
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cu + MgSO4 = MgCuSO4 =>
Cu + MgSO4 = MgCuSO4
KNO3 + NH4Br = KBr + NH4NO3 =>
KNO3 + NH4Br = KBr + NH4NO3
PbI2 + HClO4 = HI2 + PbClO4 =>
PbI2 + HClO4 = HI2 + PbClO4
FeSO4 + C6H10O5 = H2SO4 + FeC2O4 + C4H8O =>
FeSO4 + C6H10O5 = H2SO4 + FeC2O4 + C4H8O
(NH4)2SO4(aq) + Cr(NO3)3(aq) = (NH4)(NO3)(aq) + Cr2(SO4)3(s) =>
3(NH4)2SO4(aq) + 2 Cr(NO3)3(aq) = 6(NH4)(NO3)(aq) + Cr2(SO4)3(s)
MgCO3 + C2H4O5 = MgCH3COOH + CO2 + H2O =>
MgCO3 + 5 C2H4O5 = MgCH3COOH + 9 CO2 + 8 H2O
C2H5OH + O2 = C2H4O + H2O =>
2 C2H5OH + O2 = 2 C2H4O + 2 H2O
KJ + H2SO4 = H2S + J2 + H2O + KHSO4 =>
8 KJ + 9 H2SO4 = H2S + 4 J2 + 4 H2O + 8 KHSO4
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
KC4H5O6 + NaHCO3 + H2O = KNaC4H4O6*4H2O + CO2 =>
KC4H5O6 + NaHCO3 + 3 H2O = KNaC4H4O6*4H2O + CO2
Mg2 + OH = H2O + MgO =>
Mg2 + 4 OH = 2 H2O + 2 MgO
Ni(OH)2 = Ni2O3*H2O + H =>
2 Ni(OH)2 = Ni2O3*H2O + 2 H
Cu(Cl)2 + Ag = Cu + AgCl =>
Cu(Cl)2 + 2 Ag = Cu + 2 AgCl
N3H2 = N + H3 =>
3 N3H2 = 9 N + 2 H3
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
Ca(NO3)2(aq) + K3PO4(aq) = Ca3(PO4)2(s) + KNO3(aq) =>
3 Ca(NO3)2(aq) + 2 K3PO4(aq) = Ca3(PO4)2(s) + 6 KNO3(aq)
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
SNCl2 + FeCl3 = SNCl4 + FeCl2 =>
SNCl2 + 2 FeCl3 = SNCl4 + 2 FeCl2
O + C8H18 = C + H2O =>
9 O + C8H18 = 8 C + 9 H2O
(NH4)2S2O8 + KI + Na2S2O3 = (NH4)2S2O3 + NaI + K2S2O8 =>
(NH4)2S2O8 + 2 KI + Na2S2O3 = (NH4)2S2O3 + 2 NaI + K2S2O8
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CrH3 + NaClO3 + CaOH = CaCrO4 + NaCl + H2O =>
3 CrH3 + 5 NaClO3 + 3 CaOH = 3 CaCrO4 + 5 NaCl + 6 H2O
BaCl2 + K2CO3 = BaCO3 + KCl =>
BaCl2 + K2CO3 = BaCO3 + 2 KCl
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
FeS2 + O2 + H2O = Fe2O3 + HSSO4 =>
2 FeS2 + 5 O2 + H2O = Fe2O3 + 2 HSSO4
P + Cl = PCl3 =>
P + 3 Cl = PCl3
NaOCl + Na2SO3 = NaSO3 + Na2OCl =>
NaOCl + Na2SO3 = NaSO3 + Na2OCl
SnBr4 + Na2S = SnS2 + NaBr =>
SnBr4 + 2 Na2S = SnS2 + 4 NaBr
SrCl2 + K2Cr2O7 + H2SO4 = SrSO4 + K2SO4 + CrO2Cl2 + H2O =>
2 SrCl2 + K2Cr2O7 + 3 H2SO4 = 2 SrSO4 + K2SO4 + 2 CrO2Cl2 + 3 H2O
Ca3(PO4)2(s) + SiO2(s) = P4O10 + CaSiO3(s) =>
2 Ca3(PO4)2(s) + 6 SiO2(s) = P4O10 + 6 CaSiO3(s)
HBr + CaCO3 = H2CO3 + CaBr2 =>
2 HBr + CaCO3 = H2CO3 + CaBr2
Na2CO3 + CuCl2 = Na2Cu + CO3Cl2 =>
Na2CO3 + CuCl2 = Na2Cu + CO3Cl2
CaCl2KCl = CaClKCl2 =>
CaCl2KCl = CaClKCl2
CH4 + S8 = CS2 + H2S =>
2 CH4 + S8 = 2 CS2 + 4 H2S
Cr2O2 + Al = Cr + Al2O3 =>
3 Cr2O2 + 4 Al = 6 Cr + 2 Al2O3
K + Cl = KCl =>
K + Cl = KCl
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
calciumhydride + water = Ca(OH)2 + hydrogen =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
H3PO4 + K2HPO4 = K(H2PO4) =>
H3PO4 + K2HPO4 = 2 K(H2PO4)
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
K4Fe(CN)6 + K2Cr2O7 + H2SO4 = N2 + CO2 + K2SO4 + Fe2(SO4)3 + Cr2(SO4)3 + H2O =>
6 K4Fe(CN)6 + 31 K2Cr2O7 + 145 H2SO4 = 18 N2 + 36 CO2 + 43 K2SO4 + 3 Fe2(SO4)3 + 31 Cr2(SO4)3 + 145 H2O
Cr2O2 + Al = Cr + Al2O3 =>
3 Cr2O2 + 4 Al = 6 Cr + 2 Al2O3
Cr2O7{2-} + H3O{+} + CH3CH2OH = Cr{3+} + H2O + CH3CHO =>
Cr2O7{2-} + 8 H3O{+} + 3 CH3CH2OH = 2 Cr{3+} + 15 H2O + 3 CH3CHO
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