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Zn(s) + Pb(NO3)2(aq) = Zn(NO3)2 + Pb
Pb(NO3)2(aq) + NaI(aq) = PbI2(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + 2 NaI(aq) = PbI2(s) + 2 NaNO3(aq)
H2 + Ge = Ge2H =>
H2 + 4 Ge = 2 Ge2H
C3H8O + H2O = CO + H2 =>
C3H8O + 2 H2O = 3 CO + 6 H2
Mg(OH)2 + NH3 = Mg3N2 + H2O =>
3 Mg(OH)2 + 2 NH3 = Mg3N2 + 6 H2O
H2SO3 + BaCl2 = BaSO3 + HCl =>
H2SO3 + BaCl2 = BaSO3 + 2 HCl
Zr + HNO3 = Zr(NO3)4 + H2 =>
Zr + 4 HNO3 = Zr(NO3)4 + 2 H2
LiBr + Co(SO3) = Li2SO3 + CoBr2 =>
2 LiBr + Co(SO3) = Li2SO3 + CoBr2
Xe2 + F2 = XeF6 =>
Xe2 + 6 F2 = 2 XeF6
Zn + FeI2 = ZnI2 + Fe =>
Zn + FeI2 = ZnI2 + Fe
CaCO3 + H2O2 = CaO28H2O + CO2 + H2O =>
CaCO3 + 27 H2O2 = CaO28H2O + CO2 + 26 H2O
(NH4)2U2O7 + (NH4)2CO3 + H2O = (NH4)4[UO2(CO3)3] + NH4OH =>
(NH4)2U2O7 + 6(NH4)2CO3 + 3 H2O = 2(NH4)4[UO2(CO3)3] + 6 NH4OH
BaI2 + Cl2 = BaCl2 + I2 =>
BaI2 + Cl2 = BaCl2 + I2
HSiCl3 + NaOH = Na2SiO3 + NaCl + H2O + H2 =>
HSiCl3 + 5 NaOH = Na2SiO3 + 3 NaCl + 2 H2O + H2
O2 + NaBr = OBr2 + Na =>
O2 + 4 NaBr = 2 OBr2 + 4 Na
(MgOH)3PO4 + H3PO4 = Mg(H2PO4)2 + H2O =>
(MgOH)3PO4 + 5 H3PO4 = 3 Mg(H2PO4)2 + 3 H2O
P4 + O4 = P2O3 =>
2 P4 + 3 O4 = 4 P2O3
C4H9OH + KMnO4 + H2SO4 = C4H8O + K2SO4 + MnSO4 + H2O =>
5 C4H9OH + 2 KMnO4 + 3 H2SO4 = 5 C4H8O + K2SO4 + 2 MnSO4 + 8 H2O
CaCl2(aq) + Na2CO3 = CaCO3(s) + NaCl(aq) =>
CaCl2(aq) + Na2CO3 = CaCO3(s) + 2 NaCl(aq)
Br2(l) + NaCl(aq) = NaBr + Cl =>
Br2(l) + 2 NaCl(aq) = 2 NaBr + 2 Cl
P2O5 + Al = P + Al2O3 =>
3 P2O5 + 10 Al = 6 P + 5 Al2O3
BaCO3 + H2O = BaO + H2CO3 =>
BaCO3 + H2O = BaO + H2CO3
Al2O3 + Ba(OH)2 + H2O = Ba3[Al(OH)6]2 =>
Al2O3 + 3 Ba(OH)2 + 3 H2O = Ba3[Al(OH)6]2
PbSO4 + CH3COONa = (CH3COO)2Pb + Na2SO4 =>
PbSO4 + 2 CH3COONa = (CH3COO)2Pb + Na2SO4
FeCl2 + KMnO4 + KCl + H2SO4 = MnO + FeCl3 + K2SO4 + H2O =>
5 FeCl2 + KMnO4 + 5 KCl + 3 H2SO4 = MnO + 5 FeCl3 + 3 K2SO4 + 3 H2O
ZnCl2 + Ca = CaCl2 + Zn =>
ZnCl2 + Ca = CaCl2 + Zn
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
Cu2O(s) + O2(g) = CuO(s) =>
2 Cu2O(s) + O2(g) = 4 CuO(s)
C6H12O6 + CH4N2O + C2H5OH = C10H9N5O + H2O =>
13 C6H12O6 + 30 CH4N2O + 6 C2H5OH = 12 C10H9N5O + 102 H2O
NaOH + Na2CO3 = Na3CO4H =>
NaOH + Na2CO3 = Na3CO4H
CH2O + NaOH = HCO2Na + CH3OH =>
2 CH2O + NaOH = HCO2Na + CH3OH
BaO + S8 = Ba + SO2 =>
16 BaO + S8 = 16 Ba + 8 SO2
Fe + P + O = Fe3(PO4)2 =>
3 Fe + 2 P + 8 O = Fe3(PO4)2
Mg + Fe(SO4)2 = Mg(SO4)2 + Fe =>
Mg + Fe(SO4)2 = Mg(SO4)2 + Fe
Hg + Fe(NO3)3 = Hg(NO3)2 + Fe =>
3 Hg + 2 Fe(NO3)3 = 3 Hg(NO3)2 + 2 Fe
BaCrO4 + H2SO4 = BaSO4 + H2Cr2O7 + H2O =>
2 BaCrO4 + 2 H2SO4 = 2 BaSO4 + H2Cr2O7 + H2O
C8H18(aq) + O2(g) = CO2(g) + H2O(aq) =>
2 C8H18(aq) + 25 O2(g) = 16 CO2(g) + 18 H2O(aq)
CH2 = C + H =>
CH2 = C + 2 H
KMnO4 + K2SO3 + NaOH = K2MnO4 + K2SO4 + Na2MnO4 + H2O =>
2 KMnO4 + K2SO3 + 2 NaOH = K2MnO4 + K2SO4 + Na2MnO4 + H2O
Na[Al(OH)4] = NaAlO2 + H2O =>
Na[Al(OH)4] = NaAlO2 + 2 H2O
(NH4)2S + Ba(NO3)2 = (NH4)(NO3) + BaS =>
(NH4)2S + Ba(NO3)2 = 2(NH4)(NO3) + BaS
B + H2SO4 = H3BO3 + SO2 =>
2 B + 3 H2SO4 = 2 H3BO3 + 3 SO2
Sb2O3 + C = Sb + CO =>
Sb2O3 + 3 C = 2 Sb + 3 CO
Al2O3 + Al = AlO =>
Al2O3 + Al = 3 AlO
NH4Cl + K(OH) = NH4(OH) + KCl =>
NH4Cl + K(OH) = NH4(OH) + KCl
Ca(NO3)2 + NaH2PO4 = CaPO4 + NaH2(NO3)2 =>
Ca(NO3)2 + NaH2PO4 = CaPO4 + NaH2(NO3)2
NaCHO3 = NaOH + CO2 =>
NaCHO3 = NaOH + CO2
H2SO3 + Au = Au2SO3 + H2 =>
H2SO3 + 2 Au = Au2SO3 + H2
NaOH + Cu(CH3COO)2 = Na(CH3COO)2 + CuOH =>
NaOH + Cu(CH3COO)2 = Na(CH3COO)2 + CuOH
HCOOH = CO2 + H2 =>
HCOOH = CO2 + H2
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