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2 Pb + 2 H2SO4 + O2 = 2 PbSO4 + 2 H2O
Ba3(PO4)2(aq) + K2SO4(aq) = BaSO4(s) + K3PO4 =>
Ba3(PO4)2(aq) + 3 K2SO4(aq) = 3 BaSO4(s) + 2 K3PO4
NaOH + Ag2O = Na2O + AgOH =>
2 NaOH + Ag2O = Na2O + 2 AgOH
HCOONa + Br2 + NaOH = Na2CO3 + HBr =>
HCOONa + Br2 + NaOH = Na2CO3 + 2 HBr
NaClO + I2 + NaOH = NaIO3 + NaCl + H2O =>
5 NaClO + I2 + 2 NaOH = 2 NaIO3 + 5 NaCl + H2O
NH3 + CH3COOH = H4 + N(CH3COO)3 =>
2 NH3 + 6 CH3COOH = 3 H4 + 2 N(CH3COO)3
P4 + KOH + H2O = KH2P2O3 + PH3 =>
3 P4 + 4 KOH + 8 H2O = 4 KH2P2O3 + 4 PH3
CO2(g) + H2O(l) = H2(CO3)(l) =>
CO2(g) + H2O(l) = H2(CO3)(l)
K2Cr2O7 + NaOH + BaCl2 = KCl + BaCrO4 + NaCl + H2O =>
K2Cr2O7 + 2 NaOH + 2 BaCl2 = 2 KCl + 2 BaCrO4 + 2 NaCl + H2O
PbSO4(aq) + Na2SO4(aq) = Pb(s) + NaSO4(s) =>
PbSO4(aq) + Na2SO4(aq) = Pb(s) + 2 NaSO4(s)
MnO4{-} = MnO3{-} + O2 =>
2 MnO4{-} = 2 MnO3{-} + O2
Mg(CO3) = MgO + C2O4 =>
2 Mg(CO3) = 2 MgO + C2O4
Zn + Ag1NO3 = Ag + Zn2NO3 =>
2 Zn + Ag1NO3 = Ag + Zn2NO3
Br2(aq) + Ag = AgBr(s) =>
Br2(aq) + 2 Ag = 2 AgBr(s)
CH2O = CH3COOH =>
2 CH2O = CH3COOH
P4S3 + O2 = P410 + SO2 =>
205 P4S3 + 615 O2 = 2 P410 + 615 SO2
Zn + Br2 = Br2Zn =>
Zn + Br2 = Br2Zn
Zn + HCl = H2 + ZnCl2 =>
Zn + 2 HCl = H2 + ZnCl2
HOOCCOOH + CH3OH = HOOCCOOCH3 + H2O =>
HOOCCOOH + CH3OH = HOOCCOOCH3 + H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
H2SO4(l) + C6H12O6(S) = CO2 + H2O + H2S =>
11 H2SO4(l) + 4 C6H12O6(S) = 24 CO2 + 20 H2O + 15 H2S
CH3CHCl2 + NaOH = C2H3Cl + NaCl + H2O =>
CH3CHCl2 + NaOH = C2H3Cl + NaCl + H2O
NH3 + H2NO3 = (NH3)2NO3 + H2O =>
12 NH3 + 9 H2NO3 = 7(NH3)2NO3 + 6 H2O
Pb + CaSO4 = CaO + PbSO3 =>
Pb + CaSO4 = CaO + PbSO3
NH3*NI3 = N2 + I2 + NH4I =>
8 NH3*NI3 = 5 N2 + 9 I2 + 6 NH4I
Na + HCe = NaCe + H =>
Na + HCe = NaCe + H
SO4{-2} + H{+} + C = SO2 + CO2 + H2O =>
2 SO4{-2} + 4 H{+} + C = 2 SO2 + CO2 + 2 H2O
KMnO4 + FeI2 + H2SO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + I2 + H2O =>
6 KMnO4 + 10 FeI2 + 24 H2SO4 = 3 K2SO4 + 6 MnSO4 + 5 Fe2(SO4)3 + 10 I2 + 24 H2O
Na2(SO4) + BaBr2 = BaSO4 + NaBr =>
Na2(SO4) + BaBr2 = BaSO4 + 2 NaBr
SnCl2 + HNO4 + HCl = SnCl4 + N2O + H2O =>
6 SnCl2 + 2 HNO4 + 12 HCl = 6 SnCl4 + N2O + 7 H2O
Zn + Pb3N4 = Pb + Zn3N2 =>
6 Zn + Pb3N4 = 3 Pb + 2 Zn3N2
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
Mn{2+} + Cl{-} = MnCl4{2-} =>
Mn{2+} + 4 Cl{-} = MnCl4{2-}
Fe(SO4) + CoBr2 = FeBr2 + Co(SO4) =>
Fe(SO4) + CoBr2 = FeBr2 + Co(SO4)
Na2CO3 + NH3 + H2O = NaOH + NH4HCO3 =>
Na2CO3 + NH3 + 2 H2O = 2 NaOH + NH4HCO3
UO2 + HNO3 = UO(NO3)2 + H2O =>
UO2 + 2 HNO3 = UO(NO3)2 + H2O
Na3PO4 + FeCO3 = Na3CO3 + FePO4 =>
Na3PO4 + FeCO3 = Na3CO3 + FePO4
HP4{-} + BrO + OH{-} = Br{-} + PO4{3-} + H2O =>
3 HP4{-} + 22 BrO + 55 OH{-} = 22 Br{-} + 12 PO4{3-} + 29 H2O
Zn(OH)2 + NO2 = ZnNO3 + H2O =>
Zn(OH)2 + NO2 = ZnNO3 + H2O
LiOH + Fe(NO3)3 = Li(NO3) + Fe(OH)3 =>
3 LiOH + Fe(NO3)3 = 3 Li(NO3) + Fe(OH)3
C4H4O4K2 + KOH = C2H6 + K2CO3 =>
C4H4O4K2 + 2 KOH = C2H6 + 2 K2CO3
Ca(OH)2 + NaOH = CaNa + H2O2 =>
2 Ca(OH)2 + 2 NaOH = 2 CaNa + 3 H2O2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Zn(NO3)2 + K2CO3 = ZnCO3 + KNO3 =>
Zn(NO3)2 + K2CO3 = ZnCO3 + 2 KNO3
ZnO + H2O = Zn(OH)2 =>
ZnO + H2O = Zn(OH)2
CuS + HNO3 = Cu(NO3)2 + N2O3 + H2O + H2S2O7 =>
2 CuS + 12 HNO3 = 2 Cu(NO3)2 + 4 N2O3 + 5 H2O + H2S2O7
CaO + Zn = ZnO + Ca =>
CaO + Zn = ZnO + Ca
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
C6H12O6 + O2 + NH4NO3 = C6H8O7 + CH18O05N02 =>
19 C6H12O6 + 12 O2 + 6 NH4NO3 = 18 C6H8O7 + 6 CH18O05N02
HfO2 + H2SO4 = Hf(SO4)2 + H2O =>
HfO2 + 2 H2SO4 = Hf(SO4)2 + 2 H2O
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