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(CH3CO)2O + H2O = 2 CH3COOH
SiCl4 + Zn = Si + ZnCl2 =>
SiCl4 + 2 Zn = Si + 2 ZnCl2
NaMnO4 + MgI2 + H2SO4 = MgSO4 + MnSO4 + Na2SO4 + H2O + I2 =>
2 NaMnO4 + 5 MgI2 + 8 H2SO4 = 5 MgSO4 + 2 MnSO4 + Na2SO4 + 8 H2O + 5 I2
MgS + PbCl4 = MgCl2 + Pb2S4 =>
4 MgS + 2 PbCl4 = 4 MgCl2 + Pb2S4
HC2H3O2 + Cu = HCu + C2H3O2 =>
HC2H3O2 + Cu = HCu + C2H3O2
K + Cr(NO3)2 = K(NO3)2 + Cr =>
K + Cr(NO3)2 = K(NO3)2 + Cr
HdO = Hd + O2 =>
2 HdO = 2 Hd + O2
NaOH + Li2CO3 = Na2CO3 + LiOH =>
2 NaOH + Li2CO3 = Na2CO3 + 2 LiOH
Cr(OH)3 + NaOH = NaCr(OH)4 =>
Cr(OH)3 + NaOH = NaCr(OH)4
H2SO4 + Zn(OH)2 = ZnSO4 + H2O =>
H2SO4 + Zn(OH)2 = ZnSO4 + 2 H2O
NH4CNS + KMnO4 + H2SO4 = MnSO4 + K2SO4 + H2O + CO2 + N2 =>
5 NH4CNS + 14 KMnO4 + 16 H2SO4 = 14 MnSO4 + 7 K2SO4 + 26 H2O + 5 CO2 + 5 N2
NaHCO3 + KOH = Na2CO3 + K2CO3 + H2O =>
2 NaHCO3 + 2 KOH = Na2CO3 + K2CO3 + 2 H2O
Pb(NO3)2 + K3[Fe(CN)6] = Pb[Fe(CN)6] + K3(NO3)2 =>
Pb(NO3)2 + K3[Fe(CN)6] = Pb[Fe(CN)6] + K3(NO3)2
Ba0 + H2SO4 = BaSO4 + H2 =>
Ba0 + H2SO4 = BaSO4 + H2
Cu(OH) + H2SO4 = Cu2(SO4) + H2O =>
2 Cu(OH) + H2SO4 = Cu2(SO4) + 2 H2O
C2H5OH + Na2CO3 = C2H5Na + CO2 + H2O =>
7 C2H5OH + 3 Na2CO3 = 6 C2H5Na + 5 CO2 + 6 H2O
Na3Cr(OH)6 + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 Na3Cr(OH)6 + 3 Br2 + 4 NaOH = 2 Na2CrO4 + 6 NaBr + 8 H2O
Al + Cr2O3 = Al2O3 + Cr =>
2 Al + Cr2O3 = Al2O3 + 2 Cr
Cr(OH)3 + HNO3 = Cr + H2O + NO3 =>
Cr(OH)3 + 3 HNO3 = Cr + 3 H2O + 3 NO3
Ag(NO3)2(aq) + (NH4)2SO4(aq) = AgSO4 + (NH4)2(NO3)2 =>
Ag(NO3)2(aq) + (NH4)2SO4(aq) = AgSO4 + (NH4)2(NO3)2
Pb + HCI = PbCI + H2 =>
2 Pb + 2 HCI = 2 PbCI + H2
Sr(OH)2 + H2GeO2 = SrGeO2 + H2O =>
Sr(OH)2 + H2GeO2 = SrGeO2 + 2 H2O
SO3 + K(OH) = K2SO4 + H2O =>
SO3 + 2 K(OH) = K2SO4 + H2O
KI + Br2 = K2Br + I =>
4 KI + Br2 = 2 K2Br + 4 I
S2 = S =>
S2 = 2 S
AlCl3 + K3[Cr(OH)6] = Cr(OH)3 + Al(OH)3 + KCl =>
AlCl3 + K3[Cr(OH)6] = Cr(OH)3 + Al(OH)3 + 3 KCl
CaBr2 + AgNO3 = AgBr + Ca(NO3)2 =>
CaBr2 + 2 AgNO3 = 2 AgBr + Ca(NO3)2
Li2S(aq) + Ca(NO3)2(aq) = LiNO3(aq) + CaS(s) =>
Li2S(aq) + Ca(NO3)2(aq) = 2 LiNO3(aq) + CaS(s)
C3H3NO + O2 = CO2 + H2O + N2 =>
4 C3H3NO + 13 O2 = 12 CO2 + 6 H2O + 2 N2
KCN(aq) + HBr(aq) = KBr(s) + HCN(aq) =>
KCN(aq) + HBr(aq) = KBr(s) + HCN(aq)
Cu + H2SO4 = Cu2S + Cu2S2O8 + H2O =>
10 Cu + 8 H2SO4 = 2 Cu2S + 3 Cu2S2O8 + 8 H2O
Al(C2H3O2)3 + NH4OH = Al(OH)3 + NH4(C2H3O2) =>
Al(C2H3O2)3 + 3 NH4OH = Al(OH)3 + 3 NH4(C2H3O2)
Ag2SiO3 + HCl = AgCl + H2SiO3 =>
Ag2SiO3 + 2 HCl = 2 AgCl + H2SiO3
(NH4)2C2O4 + Mo(OH)3 = NH3 + H2O + Mo2(C2O4)3 =>
3(NH4)2C2O4 + 2 Mo(OH)3 = 6 NH3 + 6 H2O + Mo2(C2O4)3
KI + Fe(OH)2 = K(OH) + FeI2 =>
2 KI + Fe(OH)2 = 2 K(OH) + FeI2
NH4Cl + Sn(OH)4 = NH4OH + SnCl4 =>
4 NH4Cl + Sn(OH)4 = 4 NH4OH + SnCl4
B6H10 + H2O = B(OH)3 + H2 =>
B6H10 + 18 H2O = 6 B(OH)3 + 14 H2
C12H24N2O4 + O2 = CO2 + H2O + NO2 =>
C12H24N2O4 + 18 O2 = 12 CO2 + 12 H2O + 2 NO2
Na + O2 = Na2O98 =>
2 Na + 49 O2 = Na2O98
Fe(OH)2 + NaOH + Cl2 = Na2FeO4 + NaCl + H2O =>
Fe(OH)2 + 6 NaOH + 2 Cl2 = Na2FeO4 + 4 NaCl + 4 H2O
Ca(PO4) = Ca + PO4 =>
Ca(PO4) = Ca + PO4
Cr(OH)3 = Cr2O3 + H2O =>
2 Cr(OH)3 = Cr2O3 + 3 H2O
Al + H2SO4 = H2 + Al2(SO4)3 =>
2 Al + 3 H2SO4 = 3 H2 + Al2(SO4)3
Br2 + OH{-}1 = Br{-}1 + BrO3{-}1 + H2O =>
3 Br2 + 6 OH{-}1 = 5 Br{-}1 + BrO3{-}1 + 3 H2O
Sn(OH)4 = SnO2 + HOH =>
Sn(OH)4 = SnO2 + 2 HOH
Ba(ClO3)2(aq) + Na3PO4(aq) = Ba3(PO4)2(s) + NaClO3 =>
3 Ba(ClO3)2(aq) + 2 Na3PO4(aq) = Ba3(PO4)2(s) + 6 NaClO3
CH2CHCH3 + KMnO4 + H2O = CH2(OH)CH(OH)CH3 + MnO2 + KOH =>
3 CH2CHCH3 + 2 KMnO4 + 4 H2O = 3 CH2(OH)CH(OH)CH3 + 2 MnO2 + 2 KOH
Za + HNO3 = Za(NO3)2 + H2 =>
Za + 2 HNO3 = Za(NO3)2 + H2
NH4NO3 + C20H30O2 = CO2 + H2O + N2 =>
53 NH4NO3 + C20H30O2 = 20 CO2 + 121 H2O + 53 N2
P + HNO3 = H3PO4 + NO2 + H2O =>
P + 5 HNO3 = H3PO4 + 5 NO2 + H2O
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