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4 Na + 2 FeBr2 = Fe2 + 4 NaBr
Cu(NO3)2 + Li2S = Li(NO3)2 + Cu + S =>
2 Cu(NO3)2 + Li2S = 2 Li(NO3)2 + 2 Cu + S
Cr2O3(s) + CH4(g) = Cr(s) + CO(g) + H2O =>
Cr2O3(s) + CH4(g) = 2 Cr(s) + CO(g) + 2 H2O
COH + N2 = CN + OH =>
2 COH + N2 = 2 CN + 2 OH
FeS + HCl = HS + FeCl =>
FeS + HCl = HS + FeCl
Ga(OH)3 + KOH = K3(Ga(OH)6) =>
Ga(OH)3 + 3 KOH = K3(Ga(OH)6)
KH2 + Cl2 = KCl + H2 =>
2 KH2 + Cl2 = 2 KCl + 2 H2
ZnSO4 + NaOH = NaHSO4 + ZnO =>
ZnSO4 + NaOH = NaHSO4 + ZnO
NO(gas) + O2(gas) = NO2(gas) =>
2 NO(gas) + O2(gas) = 2 NO2(gas)
W3O6 + H2 = W + H2O =>
W3O6 + 6 H2 = 3 W + 6 H2O
Mg + HBr = MgH + Br2 =>
2 Mg + 2 HBr = 2 MgH + Br2
Li2O*Al2O3*4SiO2 + NaOH + H2O = Li(Al(OH)4(H2O)2) + Na2SiO3 =>
Li2O*Al2O3*4SiO2 + 8 NaOH + 4 H2O = 2 Li(Al(OH)4(H2O)2) + 4 Na2SiO3
K2SO4 + BaCl2 = BaSO4 + KCl =>
K2SO4 + BaCl2 = BaSO4 + 2 KCl
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
CaO + ReO2 = CaReO3 =>
CaO + ReO2 = CaReO3
Bi2S3 + O2 = Bi2O3 + SO2 =>
2 Bi2S3 + 9 O2 = 2 Bi2O3 + 6 SO2
(CH3CO)2O + H2O = CH3COOH =>
(CH3CO)2O + H2O = 2 CH3COOH
SO3{-2} + O = SO4{-2} =>
SO3{-2} + O = SO4{-2}
LiCl + Na2SO4 = Li2SO4 + NaCl =>
2 LiCl + Na2SO4 = Li2SO4 + 2 NaCl
Li(s) + HNO3 = LiNO3 + H2 =>
2 Li(s) + 2 HNO3 = 2 LiNO3 + H2
I2 + NaOH = NaIO3 + NaI + H2O =>
3 I2 + 6 NaOH = NaIO3 + 5 NaI + 3 H2O
H2O2 + C = CH4 + CO =>
2 H2O2 + 5 C = CH4 + 4 CO
ZnO + H = Zn + H2O =>
ZnO + 2 H = Zn + H2O
W + Ni + Te = W90Ni10Te1000 =>
90 W + 10 Ni + 1000 Te = W90Ni10Te1000
ZnCl2 + (NH4)2SO4 = NH4Cl + ZnSO4 =>
ZnCl2 + (NH4)2SO4 = 2 NH4Cl + ZnSO4
CS2 + KMnO4 + H2SO4 = CO2 + K2SO4 + MnSO4 + H2O =>
5 CS2 + 16 KMnO4 + 14 H2SO4 = 5 CO2 + 8 K2SO4 + 16 MnSO4 + 14 H2O
PbI2 + Cl2 = PbCl2 + I =>
PbI2 + Cl2 = PbCl2 + 2 I
N2O4 + KMnO4 + H2O = KNO3 + Mn(NO3)2 + HNO3 =>
5 N2O4 + 2 KMnO4 + 2 H2O = 2 KNO3 + 2 Mn(NO3)2 + 4 HNO3
P3N3Cl6 + (KOC6H4NO2) = P3N3(OC6H4NO2)6 + KCl =>
P3N3Cl6 + 6(KOC6H4NO2) = P3N3(OC6H4NO2)6 + 6 KCl
ZnCl2 + KI = ZnI + KCl2 =>
ZnCl2 + KI = ZnI + KCl2
H{+} + Mn + ClO2{-} = Mn{2+} + Cl{-} + H2O =>
4 H{+} + 2 Mn + ClO2{-} = 2 Mn{2+} + Cl{-} + 2 H2O
Mn + H2O = Mn2O5 + H2 =>
2 Mn + 5 H2O = Mn2O5 + 5 H2
MnO3 + C = MnO + CO2 =>
MnO3 + C = MnO + CO2
K2CO3(aq) + BaCl2(aq) = KCl2(aq) + Ba2CO3(aq) =>
K2CO3(aq) + 2 BaCl2(aq) = 2 KCl2(aq) + Ba2CO3(aq)
Pb(NO3)2(aq) + K2(CO3)(aq) = KNO3(aq) + Pb(CO3)(s) =>
Pb(NO3)2(aq) + K2(CO3)(aq) = 2 KNO3(aq) + Pb(CO3)(s)
Al(s) + NiCl2(aq) = Ni(s) + AlCl2(aq) =>
Al(s) + NiCl2(aq) = Ni(s) + AlCl2(aq)
Al(NO3)3(aq) + KBr(aq) = K(NO3)3(aq) + AlBr(aq) =>
Al(NO3)3(aq) + KBr(aq) = K(NO3)3(aq) + AlBr(aq)
AgCl + HCl = AgH + Cl =>
AgCl + HCl = AgH + 2 Cl
Ag + SnO2 = Ag2O + Sn =>
4 Ag + SnO2 = 2 Ag2O + Sn
NH3 + NH4Cl + CoCl2 + H2O2 = [Co(NH3)6Cl3] + H2O =>
10 NH3 + 2 NH4Cl + 2 CoCl2 + H2O2 = 2[Co(NH3)6Cl3] + 2 H2O
Na2CO3 + K2CO3 = Na2C2O6K2 =>
Na2CO3 + K2CO3 = Na2C2O6K2
CH3CH2CH2CH2OH + HCl + ZnCl2 = CH3CH2CH2ClCl2 + Zn + H2O =>
3 CH3CH2CH2CH2OH + 4 HCl + 4 ZnCl2 = 4 CH3CH2CH2ClCl2 + 4 Zn + 3 H2O
MnCl2 + KBrO3 + KOH = K2MnO4 + KClO3 + Br2 + H2O =>
5 MnCl2 + 16 KBrO3 + 4 KOH = 5 K2MnO4 + 10 KClO3 + 8 Br2 + 2 H2O
HClO4 + NH3 = NH4ClO4 =>
HClO4 + NH3 = NH4ClO4
(NH4)3PO4 + K(OH) = NH4OH + K3PO4 =>
(NH4)3PO4 + 3 K(OH) = 3 NH4OH + K3PO4
Mg(s) + Fe(NO3)3(aq) = Mg(NO3)2(aq) + Fe =>
3 Mg(s) + 2 Fe(NO3)3(aq) = 3 Mg(NO3)2(aq) + 2 Fe
H3(PO4) + Li(OH) = H(OH) + Li3(PO4) =>
H3(PO4) + 3 Li(OH) = 3 H(OH) + Li3(PO4)
CoCO3 + HAcAc + H2O2 = Co(AcAc)3 + CO2 + H2O =>
2 CoCO3 + 6 HAcAc + H2O2 = 2 Co(AcAc)3 + 2 CO2 + 4 H2O
CoBr2(aq) + Na3PO4(aq) = Co3(PO4)2(s) + NaBr(aq) =>
3 CoBr2(aq) + 2 Na3PO4(aq) = Co3(PO4)2(s) + 6 NaBr(aq)
C2H5OH + KMnO4 + H2SO4 = CH3COOH + K2MnO4 + MnSO4 + H2O =>
3 C2H5OH + 4 KMnO4 + 2 H2SO4 = 3 CH3COOH + 2 K2MnO4 + 2 MnSO4 + 5 H2O
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