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2 Pb + (OH)2 + 2 HNO3 = 2 PbNO3 + 2 H2O
Na2S2O8 + NaOH = O + Na2SO4 + H2O =>
Na2S2O8 + 2 NaOH = O + 2 Na2SO4 + H2O
MgSO4 + Na2HPO4 + NaHCO3 = Mg3(PO4)2 + Na2SO4 + H2O + CO2 =>
3 MgSO4 + 2 Na2HPO4 + 2 NaHCO3 = Mg3(PO4)2 + 3 Na2SO4 + 2 H2O + 2 CO2
N2H4(l) + H2O2(g) = N2(g) + H2O(g) =>
N2H4(l) + 2 H2O2(g) = N2(g) + 4 H2O(g)
K2CO3 + CuF = Cu2CO3 + KF =>
K2CO3 + 2 CuF = Cu2CO3 + 2 KF
(NH4)2CrO4 + Sn(NO3)4 = Sn(CrO4)2 + NH4NO3 =>
2(NH4)2CrO4 + Sn(NO3)4 = Sn(CrO4)2 + 4 NH4NO3
NaSO4 + CaCl2 = NaCl + Ca2(SO4)4 =>
4 NaSO4 + 2 CaCl2 = 4 NaCl + Ca2(SO4)4
Cr2O3 + Cl2 + KOH = K2CrO4 + KCl + H2O =>
Cr2O3 + 3 Cl2 + 10 KOH = 2 K2CrO4 + 6 KCl + 5 H2O
O2 + K2S = K + SO2 =>
O2 + K2S = 2 K + SO2
H3PO4 + NaOH = H2O + Na3PO4 =>
H3PO4 + 3 NaOH = 3 H2O + Na3PO4
P3 + N3 = PN =>
P3 + N3 = 3 PN
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
C5H10 + Cl = C5H10Cl2 =>
C5H10 + 2 Cl = C5H10Cl2
Na2SO3 + HNO3 = NaNO3 + H2SO3 =>
Na2SO3 + 2 HNO3 = 2 NaNO3 + H2SO3
C6H5Cl5 + SiCl4 + Na = (C6H5)4Si + NaCl =>
4 C6H5Cl5 + SiCl4 + 24 Na = (C6H5)4Si + 24 NaCl
KCl + Pb(NO3)2 = K + NO3 + PbCl2 =>
2 KCl + Pb(NO3)2 = 2 K + 2 NO3 + PbCl2
(Ag)2O = Ag + O2 =>
2(Ag)2O = 4 Ag + O2
HgSO4 + KBr = K2SO4 + HgBr2 =>
HgSO4 + 2 KBr = K2SO4 + HgBr2
Cu(s) + C6H8O7(aq) = Cu3(C6H5O7)2(aq) + H2(g) =>
3 Cu(s) + 2 C6H8O7(aq) = Cu3(C6H5O7)2(aq) + 3 H2(g)
[Fe3(OH)2(CH3COO)6]Cl + HNO3 = Fe(OH)2(CH3COO) + CH3COOH + HCl + Fe(NO3)3 =>
[Fe3(OH)2(CH3COO)6]Cl + 6 HNO3 = Fe(OH)2(CH3COO) + 5 CH3COOH + HCl + 2 Fe(NO3)3
HIO3 + FeI2 + HCl = FeCl3 + ICl + H2O =>
5 HIO3 + 4 FeI2 + 25 HCl = 4 FeCl3 + 13 ICl + 15 H2O
Cu(No3)2 + NaOH = Cu(OH)2 + NaNo3 =>
Cu(No3)2 + 2 NaOH = Cu(OH)2 + 2 NaNo3
NH3 + H2C2O4*2H2O = (NH4)2C2O4 + H2O =>
2 NH3 + H2C2O4*2H2O = (NH4)2C2O4 + 2 H2O
KBr + H2O = HBr + K2O =>
2 KBr + H2O = 2 HBr + K2O
Na2HPO2 + KBrO3 + HCl = H3PO4 + KBr + NaCl =>
3 Na2HPO2 + 2 KBrO3 + 6 HCl = 3 H3PO4 + 2 KBr + 6 NaCl
Cu(No3)2 + NaOH = Cu(OH)2 + NaNo3 =>
Cu(No3)2 + 2 NaOH = Cu(OH)2 + 2 NaNo3
HCHO2 + NaOH = NaCHO2 + H2O =>
HCHO2 + NaOH = NaCHO2 + H2O
Li2CO3 + H2S = Li2S + H2CO3 =>
Li2CO3 + H2S = Li2S + H2CO3
Cu(No3)2 + NaOH = Cu(OH)2 + NaNo3 =>
Cu(No3)2 + 2 NaOH = Cu(OH)2 + 2 NaNo3
Fe + MnO4{-} + H{+} = Mn{+2} + Fe{+3} + H2O =>
5 Fe + 3 MnO4{-} + 24 H{+} = 3 Mn{+2} + 5 Fe{+3} + 12 H2O
KMnO4(aq) + HCl(aq) = Cl2(g) + MnCl2(aq) + KCl(aq) + H2O(l) =>
2 KMnO4(aq) + 16 HCl(aq) = 5 Cl2(g) + 2 MnCl2(aq) + 2 KCl(aq) + 8 H2O(l)
Ag(No3) + Cu = Cu(No3)2 + Ag =>
2 Ag(No3) + Cu = Cu(No3)2 + 2 Ag
FeSO4 + K4[Fe(CN)6] = Fe4[Fe(CN)6]2 + K2SO4 =>
4 FeSO4 + 2 K4[Fe(CN)6] = Fe4[Fe(CN)6]2 + 4 K2SO4
Na2SO4 + HCl + H2SO4 = Na2S2O3 + Cl2 + H2O =>
Na2SO4 + 8 HCl + H2SO4 = Na2S2O3 + 4 Cl2 + 5 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Tin + chlorine = tin(iv)chloride =>
Sn + 2 Cl2 = SnCl4
Ce2(C2O4)3 + O2 = CeO2 + CO2 =>
Ce2(C2O4)3 + 2 O2 = 2 CeO2 + 6 CO2
KI + HBr + H2SO4 = I2 + K2S + H2O + KBr =>
8 KI + 6 HBr + H2SO4 = 4 I2 + K2S + 4 H2O + 6 KBr
FeCl3(aq) + KSCN(aq) + H2O(l) = Fe(SCN)(H2O)5Cl2 + KCl =>
FeCl3(aq) + KSCN(aq) + 5 H2O(l) = Fe(SCN)(H2O)5Cl2 + KCl
Ca3(PO4)2 + H2O4S = CaSO4 + H3PO4 =>
Ca3(PO4)2 + 3 H2O4S = 3 CaSO4 + 2 H3PO4
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
FeO3(s) + CO(g) = Fe(l) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(l) + 3 CO2(g)
CaCl2 + K3PO4 = Ca3(PO4)2 + KCl =>
3 CaCl2 + 2 K3PO4 = Ca3(PO4)2 + 6 KCl
Al(OH)3 + K4Fe(CN)6 = Al4[Fe(CN)6]3 + KOH =>
4 Al(OH)3 + 3 K4Fe(CN)6 = Al4[Fe(CN)6]3 + 12 KOH
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
NaHCO3 + H2SO4 + H2O = Na2SO4*10H2O + CO2 =>
2 NaHCO3 + H2SO4 + 8 H2O = Na2SO4*10H2O + 2 CO2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Y(NO3)3 + Ba(NO3)2 + Cu(NO3)2 + C6H8O7 = YBa2Cu3O7 + NO2 + CO2 + H2O =>
3 Y(NO3)3 + 6 Ba(NO3)2 + 9 Cu(NO3)2 + 2 C6H8O7 = 3 YBa2Cu3O7 + 39 NO2 + 12 CO2 + 8 H2O
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