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2 FeS + 6 SO2 = Fe2(SO4)3 + 5 S
Pb(NO2)2(aq) + HCl = PbCl2 + HNO2 =>
Pb(NO2)2(aq) + 2 HCl = PbCl2 + 2 HNO2
NO2 + O2 + H2O = HNO3 =>
4 NO2 + O2 + 2 H2O = 4 HNO3
NiCO3 + Fe(NO3)3 = Ni(NO3)2 + Fe2(CO3)3 =>
3 NiCO3 + 2 Fe(NO3)3 = 3 Ni(NO3)2 + Fe2(CO3)3
FeSO3 + K2Cr2O7 + H2SO4 = FeSO4 + K2SO4 + Cr2(SO4)3 + H2O =>
3 FeSO3 + K2Cr2O7 + 4 H2SO4 = 3 FeSO4 + K2SO4 + Cr2(SO4)3 + 4 H2O
Ag + K = Ag2K =>
2 Ag + K = Ag2K
C2N2(g) + F2(g) = CF4(g) + NF3(g) =>
C2N2(g) + 7 F2(g) = 2 CF4(g) + 2 NF3(g)
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
[Ni(NH3)4]{2+} + NH3H2O = [Ni(NH3)6]{2+} + H2O =>
[Ni(NH3)4]{2+} + 2 NH3H2O = [Ni(NH3)6]{2+} + 2 H2O
FeHPO4 + C6H8O7 = H3PO4 + Fe + C4H10 + CO2 =>
7 FeHPO4 + 8 C6H8O7 = 7 H3PO4 + 7 Fe + 5 C4H10 + 28 CO2
HBr + (NH4)2SO4 = H2SO4 + NH4Br =>
2 HBr + (NH4)2SO4 = H2SO4 + 2 NH4Br
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
FeCl3 + K4(Fe(CN)6) = KFe(Fe(CN)6) + KCl =>
FeCl3 + K4(Fe(CN)6) = KFe(Fe(CN)6) + 3 KCl
Br2KBr = Br2 + KBr =>
Br2KBr = Br2 + KBr
Na2WO4 + Na2S + NH3 + H2O = (NH4)2WS4 + NaOH =>
Na2WO4 + 4 Na2S + 2 NH3 + 6 H2O = (NH4)2WS4 + 10 NaOH
C8H12 + K2Cr2O7 + H2SO4 = C8H6O4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C8H12 + 7 K2Cr2O7 + 28 H2SO4 = 3 C8H6O4 + 7 Cr2(SO4)3 + 7 K2SO4 + 37 H2O
SnCl2 + NaI = SnI2 + NaCl =>
SnCl2 + 2 NaI = SnI2 + 2 NaCl
FO = F + O2 =>
2 FO = 2 F + O2
C9H13N + H2O = C9H14N + OH =>
C9H13N + H2O = C9H14N + OH
Na2S2O3 + KMnO4 = K2SO4 + KO + MnO2 + Na2SO4 =>
Na2S2O3 + 3 KMnO4 = K2SO4 + KO + 3 MnO2 + Na2SO4
Co = Co2 =>
2 Co = Co2
AgC = AgC1 =>
AgC = AgC1
Ca3N2 + HI = CaI2 + NH4I =>
Ca3N2 + 8 HI = 3 CaI2 + 2 NH4I
Pb(N3) + Cr(MnO4)2 = Cr2O3 + MnO2 + Pb3O4 + NO =>
15 Pb(N3) + 26 Cr(MnO4)2 = 13 Cr2O3 + 52 MnO2 + 5 Pb3O4 + 45 NO
Cu(ClO4)2(aq) + Na2S(aq) = CuS(s) + NaClO4(aq) =>
Cu(ClO4)2(aq) + Na2S(aq) = CuS(s) + 2 NaClO4(aq)
CuCl2 + NaOH + C6H12O6 = Cu2 + C6H11O7Na + NaCl + H2O =>
2 CuCl2 + 6 NaOH + 2 C6H12O6 = Cu2 + 2 C6H11O7Na + 4 NaCl + 4 H2O
(NH4)2CO3 + K2SO4 = (NH4)2SO4 + K2CO3 =>
(NH4)2CO3 + K2SO4 = (NH4)2SO4 + K2CO3
H2SO4 + BaS = BaSO4 + H2S =>
H2SO4 + BaS = BaSO4 + H2S
CH3COHH2 = C2H5OH =>
CH3COHH2 = C2H5OH
H2SO4 + NaOH = H2O + Na2SO4 =>
H2SO4 + 2 NaOH = 2 H2O + Na2SO4
NiSO4*6H2O = NiSO4 + H2O =>
NiSO4*6H2O = NiSO4 + 6 H2O
CH3COOH + K2CO3 = CH3COK + CO2 + H2O =>
5 CH3COOH + 2 K2CO3 = 4 CH3COK + 4 CO2 + 4 H2O
SnO + KOH = SnOH + KO =>
SnO + KOH = SnOH + KO
C9H13N + H2O = C9H13NH + OH =>
C9H13N + H2O = C9H13NH + OH
H2SO4 + NaHCO3 = Na2SO4 + CO2 + H2O =>
H2SO4 + 2 NaHCO3 = Na2SO4 + 2 CO2 + 2 H2O
FeSO4 + SCN = Fe(SCN)2 + SO4 =>
FeSO4 + 2 SCN = Fe(SCN)2 + SO4
Al(HCO3)3(s) = Al2(CO3)3(s) + H2O(l) + CO2(g) =>
2 Al(HCO3)3(s) = Al2(CO3)3(s) + 3 H2O(l) + 3 CO2(g)
NaOH + Zn = Na2ZnO2 + H =>
2 NaOH + Zn = Na2ZnO2 + 2 H
AgCl + HI = AgI + HCl =>
AgCl + HI = AgI + HCl
C = C2 =>
2 C = C2
CH3CHOOH + Na2CO3 = NaCH3COO + CO2 + H2O =>
16 CH3CHOOH + 9 Na2CO3 = 18 NaCH3COO + 5 CO2 + 13 H2O
Pb(OH)2(s) + HNO3(aq) = Pb(NO3)2(aq) + H2O(l) =>
Pb(OH)2(s) + 2 HNO3(aq) = Pb(NO3)2(aq) + 2 H2O(l)
Si(CO3)2 = SiO2 + CO2 =>
Si(CO3)2 = SiO2 + 2 CO2
C = C60 =>
60 C = C60
P + O3 + H2O = H3PO4 =>
6 P + 5 O3 + 9 H2O = 6 H3PO4
C = C4 =>
4 C = C4
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Cs + Na = CsNa =>
Cs + Na = CsNa
Fe(OH)2 + NaCl + H2O = FeCl3 + H2 + NaOH =>
2 Fe(OH)2 + 6 NaCl + 2 H2O = 2 FeCl3 + H2 + 6 NaOH
Na2CrO4 + Bi(NO2)5 = NaNO2 + Bi2(CrO4)5 =>
5 Na2CrO4 + 2 Bi(NO2)5 = 10 NaNO2 + Bi2(CrO4)5
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