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2 SO2 + 2 H2O = 2 H2S + 3 O2
KC2H3O2 + Cu(NO3)2 = KNO3 + Cu(C2H3O2)2 =>
2 KC2H3O2 + Cu(NO3)2 = 2 KNO3 + Cu(C2H3O2)2
Al(OH)3 + NaOH = Na[Al(OH)4] =>
Al(OH)3 + NaOH = Na[Al(OH)4]
CaBr2 + AgNO3 = AgBr + Ca(NO3)2 =>
CaBr2 + 2 AgNO3 = 2 AgBr + Ca(NO3)2
CH3CH3Br + Br2 = CH3CHBr + HBr =>
CH3CH3Br + Br2 = CH3CHBr + 2 HBr
B(CH3)3 + OH = B(CH3)3OH =>
B(CH3)3 + OH = B(CH3)3OH
HgCO3 + HCl = HgCl2 + CO2 + H2O =>
HgCO3 + 2 HCl = HgCl2 + CO2 + H2O
(CH3COO)2Ca + (HCOO)2Ca = CH3CHO + CaCO3 =>
(CH3COO)2Ca + (HCOO)2Ca = 2 CH3CHO + 2 CaCO3
Co(OH)2 + HNO3 = Co(NO3)2 + H2O =>
Co(OH)2 + 2 HNO3 = Co(NO3)2 + 2 H2O
H2 + Lv = H2Lv =>
H2 + Lv = H2Lv
CuSO4 + NaCl = Na2SO4 + CuCl2 =>
CuSO4 + 2 NaCl = Na2SO4 + CuCl2
K2S(aq) + Pb(NO3)2(aq) = K2(NO3)2(aq) + PbS(s) =>
K2S(aq) + Pb(NO3)2(aq) = K2(NO3)2(aq) + PbS(s)
Zn(CH3COO)2(aq) + Na2CO3(aq) = ZnCO3(s) + Na2(CH3COO)2(aq) =>
Zn(CH3COO)2(aq) + Na2CO3(aq) = ZnCO3(s) + Na2(CH3COO)2(aq)
O2 + C3H13O3 = H2O + CO2 =>
19 O2 + 4 C3H13O3 = 26 H2O + 12 CO2
Er + O2 = Er2O3 =>
4 Er + 3 O2 = 2 Er2O3
C3H7O2 + K2Cr2O7 + H2SO4 = C3H6O2 + Cr2(SO4)3 + K2SO4 + H2O =>
6 C3H7O2 + K2Cr2O7 + 4 H2SO4 = 6 C3H6O2 + Cr2(SO4)3 + K2SO4 + 7 H2O
MnO2 + CaCl2 + H3PO4 = Cl2 + Mn3(PO)2 + Ca3(PO4)2 + H2O =>
3 MnO2 + 9 CaCl2 + 8 H3PO4 = 9 Cl2 + Mn3(PO)2 + 3 Ca3(PO4)2 + 12 H2O
CH3COOH + C2H3OH = CH2COOCH2CH2 + H2O =>
CH3COOH + C2H3OH = CH2COOCH2CH2 + H2O
Zn + HNO3 = Zn(NO3)2 + H2 =>
Zn + 2 HNO3 = Zn(NO3)2 + H2
Ba(OH)2*8H2O(s) + NH4SCN = Ba(SCN)2 + H2O + NH3 =>
Ba(OH)2*8H2O(s) + 2 NH4SCN = Ba(SCN)2 + 10 H2O + 2 NH3
Na3PO4(ac) + Ca(NO3)2(ac) = Ca3(PO4)2(s) + NaNO3(ac) =>
2 Na3PO4(ac) + 3 Ca(NO3)2(ac) = Ca3(PO4)2(s) + 6 NaNO3(ac)
Ag + H2S = Ag2S + H2 =>
2 Ag + H2S = Ag2S + H2
N2H4(l) + N2O4(g) = N2O(g) + H2O(l) =>
N2H4(l) + N2O4(g) = 2 N2O(g) + 2 H2O(l)
HF + (CaOH)2 = CaF + H2O =>
2 HF + (CaOH)2 = 2 CaF + 2 H2O
FeCl2 + NaNO3 + H2SO4 = Fe2(SO4)3 + NO + Na2SO4 + Cl2 + H2O =>
2 FeCl2 + 2 NaNO3 + 4 H2SO4 = Fe2(SO4)3 + 2 NO + Na2SO4 + 2 Cl2 + 4 H2O
Fe(C2H3O2)2 + BaOH = Ba(C2H3O2)2 + FeOH =>
Fe(C2H3O2)2 + BaOH = Ba(C2H3O2)2 + FeOH
KCl + SO2 = KSO2 + Cl2 =>
2 KCl + 2 SO2 = 2 KSO2 + Cl2
CaO + H2O = Ca(OH)2 = (OH)2 + H2CO3 =>
CaO + H2O = Ca(OH)2
CH4(g) + NO(g) = N2(g) + CO2(g) + H2O(g) =>
CH4(g) + 4 NO(g) = 2 N2(g) + CO2(g) + 2 H2O(g)
Li2CrO4 + BaCl3 = Li2Cl3 + BaCrO4 =>
Li2CrO4 + BaCl3 = Li2Cl3 + BaCrO4
HNO3 + Ag(NH3)2 = AgNO3 + NH3 + H2O =>
9 HNO3 + 8 Ag(NH3)2 = 8 AgNO3 + 17 NH3 + 3 H2O
K4[Fe(CN)6] + NaOH + Br2 = K3[Fe(CN)6] + NaBr + KOH =>
2 K4[Fe(CN)6] + 2 NaOH + Br2 = 2 K3[Fe(CN)6] + 2 NaBr + 2 KOH
CH3COOH + LiAlH4 + H2O = CH3CH2OH + Li2O + Al(OH)3 =>
4 CH3COOH + 2 LiAlH4 + 3 H2O = 4 CH3CH2OH + Li2O + 2 Al(OH)3
Zn(OH)2 + HNO3 + H2O = [Zn(H2O)6](NO3)2 =>
Zn(OH)2 + 2 HNO3 + 4 H2O = [Zn(H2O)6](NO3)2
Cu + NiSO4 = Cu3SO4 + Ni =>
3 Cu + NiSO4 = Cu3SO4 + Ni
UCl3 + Mg = MgCl2 + U =>
2 UCl3 + 3 Mg = 3 MgCl2 + 2 U
Na[Cr(OH)4]HNO3 = Cr(OH)3NaNO3H2O =>
Na[Cr(OH)4]HNO3 = Cr(OH)3NaNO3H2O
Na2SO4 + Ba3(PO4)2 = Na3PO4 + BaSO4 =>
3 Na2SO4 + Ba3(PO4)2 = 2 Na3PO4 + 3 BaSO4
C2 + O2 = C2O =>
2 C2 + O2 = 2 C2O
Na2S + Ca = CaS + Na =>
Na2S + Ca = CaS + 2 Na
La2O3 + NiO = La2NiO4 =>
La2O3 + NiO = La2NiO4
Th4 + H3PO4 = Th3(PO4)4 + H1 =>
3 Th4 + 16 H3PO4 = 4 Th3(PO4)4 + 48 H1
K3[Fe(CN)6] + Na3[Co(NO2)6] = Na2K[Co(NO2)6] + NaK2[Fe(CN)6] =>
K3[Fe(CN)6] + Na3[Co(NO2)6] = Na2K[Co(NO2)6] + NaK2[Fe(CN)6]
Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O
Al + Ni(SO4) = Ni + Al(SO4) =>
Al + Ni(SO4) = Ni + Al(SO4)
(CH3COO)2Ca + (HCOO)2Ca = CH3CHO + CaCO3 =>
(CH3COO)2Ca + (HCOO)2Ca = 2 CH3CHO + 2 CaCO3
Bi2O3(s) + HCl(aq) = BiCl3 + H2O =>
Bi2O3(s) + 6 HCl(aq) = 2 BiCl3 + 3 H2O
K2Cr2O7 + K2S + H2O = S + K3Cr(OH)6 + KOH =>
K2Cr2O7 + 3 K2S + 7 H2O = 3 S + 2 K3Cr(OH)6 + 2 KOH
C + H2 = CH6 =>
C + 3 H2 = CH6
KOH(s)SO2(g) = KHSO3(s) =>
KOH(s)SO2(g) = KHSO3(s)
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