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2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
IO{-}3(aq) + HSO{-}3(aq) = I{-}(aq) + SO2{-}4(aq) + H2O =>
3 IO{-}3(aq) + 2 HSO{-}3(aq) = 3 I{-}(aq) + 2 SO2{-}4(aq) + H2O
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
C2H43O + H2O = C6H12O6 + H2 =>
6 C2H43O + 6 H2O = 2 C6H12O6 + 123 H2
CH2Cl2 + O2 = CO2 + H2OCl2 =>
2 CH2Cl2 + 3 O2 = 2 CO2 + 2 H2OCl2
Sn + CuSO4 = SnSO4 + Cu =>
Sn + CuSO4 = SnSO4 + Cu
NaOH + P4 + H2O = NaH2PO2 + PH6 =>
24 NaOH + 7 P4 + 24 H2O = 24 NaH2PO2 + 4 PH6
NaHCO3 + Fe(OH)2 + H2O = Na + Fe(OH)3 + H2CO3 =>
NaHCO3 + Fe(OH)2 + H2O = Na + Fe(OH)3 + H2CO3
NaNO3 + H3BO3 = Na2B4O7 + HNO3 + H2O =>
2 NaNO3 + 4 H3BO3 = Na2B4O7 + 2 HNO3 + 5 H2O
Na2S + SnCl2 = NaCl + SnS =>
Na2S + SnCl2 = 2 NaCl + SnS
Mg + Co(No3)2 = MgCo(No3)2 =>
Mg + Co(No3)2 = MgCo(No3)2
Fe + S2 = Fe2S3 =>
4 Fe + 3 S2 = 2 Fe2S3
SbF3 + CCl4 = SbCl3 + CF4 =>
4 SbF3 + 3 CCl4 = 4 SbCl3 + 3 CF4
Na + HCl = NaCl + H2 =>
2 Na + 2 HCl = 2 NaCl + H2
Zn(OH)2 + NH4OH = (Zn(NH3)6)(OH)2 + H2O =>
Zn(OH)2 + 6 NH4OH = (Zn(NH3)6)(OH)2 + 6 H2O
H3AsO4 + Fe(OH)3 = [Fe(OH)2]3AsO4 + H2O =>
H3AsO4 + 3 Fe(OH)3 = [Fe(OH)2]3AsO4 + 3 H2O
K(OH)2 + H3PO4 = K3(PO4)2 + H2O =>
3 K(OH)2 + 2 H3PO4 = K3(PO4)2 + 6 H2O
H2SO4 + KMnO4 + FeSO4 = Fe2(SO4)3 + H2O + K2SO4 + MnSO4 =>
8 H2SO4 + 2 KMnO4 + 10 FeSO4 = 5 Fe2(SO4)3 + 8 H2O + K2SO4 + 2 MnSO4
H2ON = H2NO =>
H2ON = H2NO
LiCl + Br2 = LiBr + Cl2 =>
2 LiCl + Br2 = 2 LiBr + Cl2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
KMnO4(aq) + K2C2O4(aq) + H2SO4(aq) = MnSO4(aq) + K2SO4(aq) + CO2(g) + H2O =>
2 KMnO4(aq) + 5 K2C2O4(aq) + 8 H2SO4(aq) = 2 MnSO4(aq) + 6 K2SO4(aq) + 10 CO2(g) + 8 H2O
FeS + C = Fe + CS =>
FeS + C = Fe + CS
NaB(OH)4 + H2SO4 = B(OH)3 + Na2SO4 + H2O =>
2 NaB(OH)4 + H2SO4 = 2 B(OH)3 + Na2SO4 + 2 H2O
CuCO3*Cu(OH)2*H2O + H2NCH2CO2H = Cu(NH2CH2CO2)2(OH2) + H2O + CO2 =>
CuCO3*Cu(OH)2*H2O + 4 H2NCH2CO2H = 2 Cu(NH2CH2CO2)2(OH2) + 2 H2O + CO2
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
PO2 + H2O = H3PO4 + H =>
PO2 + 2 H2O = H3PO4 + H
Cr2O7{-} + H{+} + Cl{-} = Cr{+3} + H2O + Cl2 =>
2 Cr2O7{-} + 28 H{+} + 14 Cl{-} = 4 Cr{+3} + 14 H2O + 7 Cl2
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Zn(NO3)2 + Fe(NO3)3 + NH2CONH2 = ZnFe2O4 + CO2 + H2O + N2 =>
3 Zn(NO3)2 + 6 Fe(NO3)3 + 20 NH2CONH2 = 3 ZnFe2O4 + 20 CO2 + 40 H2O + 32 N2
CH3COOC2H5NaOH = C2H5OHCH3COONa =>
CH3COOC2H5NaOH = C2H5OHCH3COONa
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
C6H5NO2 + HCl = C6H5NH2 + Cl2 + H2O =>
C6H5NO2 + 6 HCl = C6H5NH2 + 3 Cl2 + 2 H2O
C2H2H2O = CH3COH =>
C2H2H2O = CH3COH
C3H6O + O2 = C5 + H2O =>
5 C3H6O + 5 O2 = 3 C5 + 15 H2O
AlOH3 + KOH + H2O = K[Al(OH)6] + H2 =>
AlOH3 + KOH + 4 H2O = K[Al(OH)6] + 3 H2
ZnSO4 + NH4OH + NH3 = [Zn(NH3)6](OH)2 + (NH4)2SO4 =>
ZnSO4 + 2 NH4OH + 6 NH3 = [Zn(NH3)6](OH)2 + (NH4)2SO4
O2 + (CH3)2CO = H2O + CO2 =>
4 O2 + (CH3)2CO = 3 H2O + 3 CO2
NH4VO3 + H2SO4 + SO2 = VOSO4 + NH3 + H2O =>
2 NH4VO3 + H2SO4 + SO2 = 2 VOSO4 + 2 NH3 + 2 H2O
Al4Cl3 + H2O = AlO3H3 + ClH4 =>
Al4Cl3 + 12 H2O = 4 AlO3H3 + 3 ClH4
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Br2 + H2O + HgO = HgBr2 + HOBr =>
2 Br2 + H2O + HgO = HgBr2 + 2 HOBr
Pd + Cl2 = Cl4Pd =>
Pd + 2 Cl2 = Cl4Pd
NaHCO3(aq) + HCl(aq) = NaCl + HHCO3 =>
NaHCO3(aq) + HCl(aq) = NaCl + HHCO3
Cu + KPO4 = CuPO4 + K =>
Cu + KPO4 = CuPO4 + K
KOH + NiCl2 = KCl + Ni(OH)2 =>
2 KOH + NiCl2 = 2 KCl + Ni(OH)2
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
KOH + Na2B4O7 = K2B4O7 + NaOH =>
2 KOH + Na2B4O7 = K2B4O7 + 2 NaOH
Na2O2 + H2O = Na2H20 + O2 =>
Na2O2 + 10 H2O = Na2H20 + 6 O2
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