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Cu + 2 H2SO4 = CuSO4(a) + SO2(g) + 2 H2O(l)
Ag + Fe2(CO3)3 = Fe3 + Ag2CO3 =>
18 Ag + 3 Fe2(CO3)3 = 2 Fe3 + 9 Ag2CO3
Ag2S = Ag + S =>
Ag2S = 2 Ag + S
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
H2O + Pb + Cr2O7 = PbCrO4 + H =>
H2O + 2 Pb + Cr2O7 = 2 PbCrO4 + 2 H
AlBr3 + CaCr2O7 + H3PO4 = Br2 + CrPO4 + Ca3(PO4) + AlPO4 + H2O =>
14 AlBr3 + 6 CaCr2O7 + 28 H3PO4 = 21 Br2 + 12 CrPO4 + 2 Ca3(PO4) + 14 AlPO4 + 42 H2O
KNO3 + C2H6O = N2 + CO2 + H2O + K2CO3 =>
12 KNO3 + 5 C2H6O = 6 N2 + 4 CO2 + 15 H2O + 6 K2CO3
Al + NaOH + H2O = Na2Al(OH)3 + H2 =>
2 Al + 4 NaOH + 2 H2O = 2 Na2Al(OH)3 + H2
CH2CO + H2O = CH3COOH =>
CH2CO + H2O = CH3COOH
NaCl + S = Na + SCl2 =>
2 NaCl + S = 2 Na + SCl2
Os + HNO3 = Os(NO3)2 + H2O + NO =>
3 Os + 8 HNO3 = 3 Os(NO3)2 + 4 H2O + 2 NO
MoO3 + KOH = K2MoO4 + H2O =>
MoO3 + 2 KOH = K2MoO4 + H2O
Co + H2PO4 + HCl = H3PO2 + CoCl2 + H2O =>
5 Co + 2 H2PO4 + 10 HCl = 2 H3PO2 + 5 CoCl2 + 4 H2O
C2H7O2N + O2 = CO2 + H2O + NH3 =>
C2H7O2N + 2 O2 = 2 CO2 + 2 H2O + NH3
KClO3 + C6H12O6 + H2SO4 = HCl + CO2 + K2SO4 + H2O =>
4 KClO3 + C6H12O6 + 2 H2SO4 = 4 HCl + 6 CO2 + 2 K2SO4 + 6 H2O
K3(PO4) + Sr(NO3) = Sr3(PO4)2 + K2(NO3) =>
2 K3(PO4) + 3 Sr(NO3) = Sr3(PO4)2 + 3 K2(NO3)
MnO2(s) + HCl(l) = MnCl2(s) + H2O(l) + Cl2(g) =>
MnO2(s) + 4 HCl(l) = MnCl2(s) + 2 H2O(l) + Cl2(g)
CH3COOH + NaHCO3 = NaC2O2 + H2O + CO2 =>
5 CH3COOH + 8 NaHCO3 = 8 NaC2O2 + 14 H2O + 2 CO2
AlCl3 + NH3 + H2O = NH4 + Al(OH)4 + NH4Cl =>
AlCl3 + 4 NH3 + 4 H2O = NH4 + Al(OH)4 + 3 NH4Cl
AlOOH + NaNH2 = AlN + NaOH + N2 + H2 =>
2 AlOOH + 4 NaNH2 = 2 AlN + 4 NaOH + N2 + 3 H2
LiBr + ZnCl2 = LiCl + ZnBr2 =>
2 LiBr + ZnCl2 = 2 LiCl + ZnBr2
NH3(g) + O2(g) + CH4(g) = HCN(g) + H2O(g) =>
2 NH3(g) + 3 O2(g) + 2 CH4(g) = 2 HCN(g) + 6 H2O(g)
AlCl3 + NH3 + H2O = NH4 + Al(OH)4 + NH4Cl =>
AlCl3 + 4 NH3 + 4 H2O = NH4 + Al(OH)4 + 3 NH4Cl
Cu(NO3)2(aq) + Li2S(aq) = LiNO3(s) + CuS(s) =>
Cu(NO3)2(aq) + Li2S(aq) = 2 LiNO3(s) + CuS(s)
Br2 + C18H34O2 = BrO + C18H34 =>
Br2 + C18H34O2 = 2 BrO + C18H34
Ag + Pd(NO3)2 = AgNO3 + Pd =>
2 Ag + Pd(NO3)2 = 2 AgNO3 + Pd
K2FeO4 + KBr + H2SO4 = Fe2(SO4)3 + Br2 + K2SO4 + H2O =>
2 K2FeO4 + 6 KBr + 8 H2SO4 = Fe2(SO4)3 + 3 Br2 + 5 K2SO4 + 8 H2O
CaO(aq) + H2O(l) = Ca(OH)2(aq) =>
CaO(aq) + H2O(l) = Ca(OH)2(aq)
Li2S = Li + S =>
Li2S = 2 Li + S
CaCl2 + Ag2PO4 = Ca2(PO4)2 + AgCl =>
2 CaCl2 + 2 Ag2PO4 = Ca2(PO4)2 + 4 AgCl
AgClO3 + Mn2O5 = Ag2O + Mn(ClO3)5 =>
10 AgClO3 + Mn2O5 = 5 Ag2O + 2 Mn(ClO3)5
Na + Hg + CH3I = (CH3)2Hg + NaI =>
2 Na + Hg + 2 CH3I = (CH3)2Hg + 2 NaI
KBrO2 = KBrO3 + KBr =>
3 KBrO2 = 2 KBrO3 + KBr
Sr(NO3)2 + KBr = SrBr2 + K(NO3) =>
Sr(NO3)2 + 2 KBr = SrBr2 + 2 K(NO3)
KBrO2 = KBrO3 + KBr =>
3 KBrO2 = 2 KBrO3 + KBr
FeCl2 + FeCl3 + NaOH = Fe3O4 + NaCl + H2O =>
FeCl2 + 2 FeCl3 + 8 NaOH = Fe3O4 + 8 NaCl + 4 H2O
Cu2C2O4 + KMnO4 + H2SO4 = CuSO4 + CO2 + MnSO4 + K2SO4 + H2O =>
5 Cu2C2O4 + 4 KMnO4 + 16 H2SO4 = 10 CuSO4 + 10 CO2 + 4 MnSO4 + 2 K2SO4 + 16 H2O
KBrO2 = KBrO3 + KBr =>
3 KBrO2 = 2 KBrO3 + KBr
CrI2 + KOH + Cl2 = K2Cr2O7 + KIO4 + KCl + H2O =>
2 CrI2 + 46 KOH + 20 Cl2 = K2Cr2O7 + 4 KIO4 + 40 KCl + 23 H2O
COH2 + O2 = CO2 + H2O =>
COH2 + O2 = CO2 + H2O
KBrO2 = KBrO3 + KBr =>
3 KBrO2 = 2 KBrO3 + KBr
K2Cr2O7 + KCl + NaOH = K2CrO4 + NaCl + H2O =>
K2Cr2O7 + 2 KCl + 2 NaOH = 2 K2CrO4 + 2 NaCl + H2O
AlPO4 + Na2O = Al2O3 + Na3PO4 =>
2 AlPO4 + 3 Na2O = Al2O3 + 2 Na3PO4
KBrO2 = KBrO3 + KBr =>
3 KBrO2 = 2 KBrO3 + KBr
C6H5C2H3 + KMnO4 + H2O = C6H5CHOHCH2OH + MnO2 + KOH =>
3 C6H5C2H3 + 2 KMnO4 + 4 H2O = 3 C6H5CHOHCH2OH + 2 MnO2 + 2 KOH
HCl(aq) + K(s) = H(s) + KCl =>
HCl(aq) + K(s) = H(s) + KCl
KBrO2 = KBrO3 + KBr =>
3 KBrO2 = 2 KBrO3 + KBr
Pb(CH3COO)2 + K2S = PbS + K(CH3COO) =>
Pb(CH3COO)2 + K2S = PbS + 2 K(CH3COO)
Hg2(ClO4)2 + NaBr = Hg2Br2 + Na(ClO4) =>
Hg2(ClO4)2 + 2 NaBr = Hg2Br2 + 2 Na(ClO4)
CO3{2-} + H3O{+} = HCO3{-} + H2O =>
CO3{2-} + H3O{+} = HCO3{-} + H2O
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