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2 Na(s) + CuSO4(aq) = Na2SO4 + Cu
MgCl2 + K3Po4 = Mg3(Po4)2 + KCl =>
3 MgCl2 + 2 K3Po4 = Mg3(Po4)2 + 6 KCl
Na2S2O3 + NaOH = Na2S + Na2SO4 + H2O =>
Na2S2O3 + 2 NaOH = Na2S + Na2SO4 + H2O
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
S(s) + O2 = SO3(g) =>
2 S(s) + 3 O2 = 2 SO3(g)
ZnCl2 = Cl2 + Zn =>
ZnCl2 = Cl2 + Zn
K3[Fe(CN)6] + FeCl2 = KCl + Fe3[Fe(CN)6]2 =>
2 K3[Fe(CN)6] + 3 FeCl2 = 6 KCl + Fe3[Fe(CN)6]2
NaI(aq) + Br2(g) = BrI + Na =>
2 NaI(aq) + Br2(g) = 2 BrI + 2 Na
NH3 + H3NO4 = NH4NO3 + H2O =>
NH3 + H3NO4 = NH4NO3 + H2O
Li + Ni(SO4) = Ni + Li2(SO4) =>
2 Li + Ni(SO4) = Ni + Li2(SO4)
C2H6 + Br2 = C2H3Br + HBr =>
C2H6 + 2 Br2 = C2H3Br + 3 HBr
KMnO4 + (NH4)2S + H2O = MnO2 + KOH + NH4OH + SO =>
4 KMnO4 + 3(NH4)2S + 5 H2O = 4 MnO2 + 4 KOH + 6 NH4OH + 3 SO
CH3COCH3 + HCHO + CH3NH3Cl = (CH3COCH2CH2)2NCH3HCl + H2O =>
2 CH3COCH3 + 2 HCHO + CH3NH3Cl = (CH3COCH2CH2)2NCH3HCl + 2 H2O
Mg + H2O = Mg(OH)2 + hydrogen =>
Mg + 2 H2O = Mg(OH)2 + H2
Ni2S3 = Ni + S2 =>
2 Ni2S3 = 4 Ni + 3 S2
AgCl + H2O = HCl + Ag(OH) =>
AgCl + H2O = HCl + Ag(OH)
Sr + H2CO3 = H2 + SrCO3 =>
Sr + H2CO3 = H2 + SrCO3
CuCl + Ba(NO3)2 = BaCl2 + CuNO3 =>
2 CuCl + Ba(NO3)2 = BaCl2 + 2 CuNO3
Mg + OH2 = MgOH2 =>
Mg + OH2 = MgOH2
Fe(NO3)3 + NH3 = Fe(NO3)2 + HNO2 =>
2 Fe(NO3)3 + NH3 = 2 Fe(NO3)2 + 3 HNO2
Zn + HNO3(dilc) = Zn(NO3)2 + NO + H2O =>
3 Zn + 8 HNO3(dilc) = 3 Zn(NO3)2 + 2 NO + 4 H2O
N2 + I6 = NI3 =>
N2 + I6 = 2 NI3
SrCl2(ac) + H2SO4(ac) = SrSO4(s) + HCl(ac) =>
SrCl2(ac) + H2SO4(ac) = SrSO4(s) + 2 HCl(ac)
Na2CO3 + Al + H2O = NaAl(OH)4 + CO2 + H2 =>
Na2CO3 + 2 Al + 7 H2O = 2 NaAl(OH)4 + CO2 + 3 H2
Pb(C4H8O6)2 + KI = K(C4H8O6) + PbI2 =>
Pb(C4H8O6)2 + 2 KI = 2 K(C4H8O6) + PbI2
HgO + Cl2 = HgCl + O2 =>
2 HgO + Cl2 = 2 HgCl + O2
AgNO3 + BaCl2 = AgCl + BaN2O6 =>
2 AgNO3 + BaCl2 = 2 AgCl + BaN2O6
K2[OsO2(OH)4] + HCl = K2[OsCl6] + H2O + O2 =>
2 K2[OsO2(OH)4] + 12 HCl = 2 K2[OsCl6] + 10 H2O + O2
SeCl + O2 = SeO2 + Cl2 =>
2 SeCl + 2 O2 = 2 SeO2 + Cl2
PbH4 = Pb + H2 =>
PbH4 = Pb + 2 H2
C6H13OH + O2 = CO2 + H2O =>
C6H13OH + 9 O2 = 6 CO2 + 7 H2O
MnO4{-} + HC2O4{-} + H{+} = MnO2 + CO2 + H2O =>
2 MnO4{-} + 3 HC2O4{-} + 5 H{+} = 2 MnO2 + 6 CO2 + 4 H2O
Cr(OH)3 + H3PO4 = CrPO4 + H2O =>
Cr(OH)3 + H3PO4 = CrPO4 + 3 H2O
NaOH + CrCl3 = Cr(OH)3 + NaCl =>
3 NaOH + CrCl3 = Cr(OH)3 + 3 NaCl
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
CaCl2 + O2 = CaO + Cl2 =>
2 CaCl2 + O2 = 2 CaO + 2 Cl2
AuH3 + H2O = Au(OH)3 + H2 =>
AuH3 + 3 H2O = Au(OH)3 + 3 H2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
K2Cr2O7 + NH3 + H2O = Cr(OH)3 + KNO3 + KOH =>
4 K2Cr2O7 + 3 NH3 + 10 H2O = 8 Cr(OH)3 + 3 KNO3 + 5 KOH
C8H8O3 + Br2 = C8H8BrO3 =>
2 C8H8O3 + Br2 = 2 C8H8BrO3
SrO + KOH = Sr(OH)2 + K2O =>
SrO + 2 KOH = Sr(OH)2 + K2O
KMnO4 + HCl + CH3OH = MnCl2 + CO2 + KCl + H2O =>
6 KMnO4 + 18 HCl + 5 CH3OH = 6 MnCl2 + 5 CO2 + 6 KCl + 19 H2O
Co(NO3)2 + Na2HPO4 = NaNO3 + CoHPO4 =>
Co(NO3)2 + Na2HPO4 = 2 NaNO3 + CoHPO4
PBr5 + Cl2 + H2O = H3PO4 + Br2 + HCl =>
2 PBr5 + 5 Cl2 + 8 H2O = 2 H3PO4 + 5 Br2 + 10 HCl
N2H2 + C10H10O2 = C10H14O2 + N2 =>
2 N2H2 + C10H10O2 = C10H14O2 + 2 N2
Ga + HNO3 = GaNO3 + H2 =>
2 Ga + 2 HNO3 = 2 GaNO3 + H2
HCHO + [Ag(NH3)2]OH = HCOOH + Ag + H2O + NH3 =>
HCHO + 2[Ag(NH3)2]OH = HCOOH + 2 Ag + H2O + 4 NH3
Ge + CO3 = GeO + C2 =>
6 Ge + 2 CO3 = 6 GeO + C2
CH3COH + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
CH3COH + 2 KMnO4 + 3 H2SO4 = 2 CO2 + 2 MnSO4 + K2SO4 + 5 H2O
FeCl3 + HCl = FeCl4 + H =>
FeCl3 + HCl = FeCl4 + H
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