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CuFeS2 + 4 Fe{3+} = Cu{2+} + 5 Fe{2+} + 2 S
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Rb + CaCl2 = RbCl + Ca =>
2 Rb + CaCl2 = 2 RbCl + Ca
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaOH + HNO3 = NaNO3 + HOH =>
NaOH + HNO3 = NaNO3 + HOH
KNO3 + K = K2O + N2 =>
2 KNO3 + 10 K = 6 K2O + N2
CuSO4 + Fe = Fe2(SO4)3 + Cu =>
3 CuSO4 + 2 Fe = Fe2(SO4)3 + 3 Cu
H(C2H3O2) + NH4OH = H2O + NH4(C2H3O2) =>
H(C2H3O2) + NH4OH = H2O + NH4(C2H3O2)
Li + HCl = LiCl + H =>
Li + HCl = LiCl + H
Na[Al(OH)4] + H2SO4 = Al2(SO4)3 + Na2SO4 + H2O =>
2 Na[Al(OH)4] + 4 H2SO4 = Al2(SO4)3 + Na2SO4 + 8 H2O
NaBr + O2 = Na2O + Br2 =>
4 NaBr + O2 = 2 Na2O + 2 Br2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
As2O + HCl = AsCl + H2O =>
As2O + 2 HCl = 2 AsCl + H2O
SiO2 + Na2CO3 = Si2(CO3)4 + Na2O =>
2 SiO2 + 4 Na2CO3 = Si2(CO3)4 + 4 Na2O
C12H6Cl4 + O2 = CO2 + HCl + H2O =>
2 C12H6Cl4 + 25 O2 = 24 CO2 + 8 HCl + 2 H2O
Pu + Se = PuSe =>
Pu + Se = PuSe
FeCl3 + HCl = FeH3 + Cl2 =>
FeCl3 + 3 HCl = FeH3 + 3 Cl2
Cu2(Fe(CN)6) + NH4OH = (NH4)4(Fe(CN)6) + (Cu(NH3)4)(OH)2 + H2O =>
Cu2(Fe(CN)6) + 12 NH4OH = (NH4)4(Fe(CN)6) + 2(Cu(NH3)4)(OH)2 + 8 H2O
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
C4H8O + O2 = CO2 + H2O =>
2 C4H8O + 11 O2 = 8 CO2 + 8 H2O
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
Mg + HCl = MgCl2 + H =>
Mg + 2 HCl = MgCl2 + 2 H
Fe{+} + CI{+2) = FeCI{+3} =>
Fe{+} + CI{+2) = FeCI{+3}
KCl + Br2 = KBr + Cl2 =>
2 KCl + Br2 = 2 KBr + Cl2
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
Na2SO3 + H2O = NaHSO3 + NaOH =>
Na2SO3 + H2O = NaHSO3 + NaOH
Ca + CuF2 = Cu + CaF2 =>
Ca + CuF2 = Cu + CaF2
AgNO3 + K3PO4 = Ag3PO4 + KNO3 =>
3 AgNO3 + K3PO4 = Ag3PO4 + 3 KNO3
CH3CH2NH2 + CH3CH2Br = (CH3CH2)2NH + HBr =>
CH3CH2NH2 + CH3CH2Br = (CH3CH2)2NH + HBr
Pt + HNO3 + HCl = H2PtCl6 + NO + H2O =>
3 Pt + 4 HNO3 + 18 HCl = 3 H2PtCl6 + 4 NO + 8 H2O
KOH + Al2O3 = Al(OH)3 + K2O =>
6 KOH + Al2O3 = 2 Al(OH)3 + 3 K2O
KMnO4 + NaNO2 + H2SO4 = K2SO4 + MnSO4 + NaNO3 + H2O =>
2 KMnO4 + 5 NaNO2 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 5 NaNO3 + 3 H2O
(KMn)3O10 + ClH3O = KCl + MnCl2 + Cl2 + H2O =>
2(KMn)3O10 + 40 ClH3O = 6 KCl + 6 MnCl2 + 11 Cl2 + 60 H2O
H + NO = H2O + N =>
2 H + NO = H2O + N
Ca + P = CaP =>
Ca + P = CaP
ZnBr2 = Zn2 + Br =>
2 ZnBr2 = Zn2 + 4 Br
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2(g) + O2(g) = H2O(g) =>
2 H2(g) + O2(g) = 2 H2O(g)
Ba(OH)2(s) = BaO(s) + H2O(l) =>
Ba(OH)2(s) = BaO(s) + H2O(l)
ZnBr2 = Zn2 + Br =>
2 ZnBr2 = Zn2 + 4 Br
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
NaBr + Mg(OH)2 = MgBr2 + NaOH =>
2 NaBr + Mg(OH)2 = MgBr2 + 2 NaOH
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO
CuSO4 + Na2HPO4 = Na2SO4 + Cu3(PO4)2 + NaH2PO4 =>
3 CuSO4 + 4 Na2HPO4 = 3 Na2SO4 + Cu3(PO4)2 + 2 NaH2PO4
Fe{+} + CI{+2) = FeCI{+3} =>
Fe{+} + CI{+2) = FeCI{+3}
SiO2 + C = CO + Si =>
SiO2 + 2 C = 2 CO + Si
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
HCl + S = S(HCl)4 =>
4 HCl + S = S(HCl)4
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