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2 PbCO3 + O2 = 2 PbO + 2 CO3
KBr + KNO2 + H2SO4 = Br2 + NO + K2SO4 + H2O =>
2 KBr + 2 KNO2 + 2 H2SO4 = Br2 + 2 NO + 2 K2SO4 + 2 H2O
Ca(OH)2 + NH4NO3 = Ca(NO3)2 + NH3 + H2O =>
Ca(OH)2 + 2 NH4NO3 = Ca(NO3)2 + 2 NH3 + 2 H2O
C6H12O6 = C10H6 + CO2 + H2O =>
23 C6H12O6 = 12 C10H6 + 18 CO2 + 102 H2O
PbCl2 + H2S = PbH2 + SCl2 =>
PbCl2 + H2S = PbH2 + SCl2
H2 + K = KH2 =>
H2 + K = KH2
AlO3 + H2O = AlO3H2O =>
AlO3 + H2O = AlO3H2O
ZnBr2 + KOH = Zn(OH)2 + BrK =>
ZnBr2 + 2 KOH = Zn(OH)2 + 2 BrK
H2 + K = KH2 =>
H2 + K = KH2
NaNO2 + Na2SO3 + HCl = NO + NaCl + H2O + Na2SO4 =>
2 NaNO2 + Na2SO3 + 2 HCl = 2 NO + 2 NaCl + H2O + Na2SO4
NH4OH + Cr(OH)3 + H2O2 = (NH4)2Cr2O7 + H2O =>
2 NH4OH + 2 Cr(OH)3 + 3 H2O2 = (NH4)2Cr2O7 + 7 H2O
Cl2 + KCl = KCl2 =>
Cl2 + 2 KCl = 2 KCl2
C6H5COOH + NaOH = C6H6 + Na2CO3 + H2O =>
C6H5COOH + 2 NaOH = C6H6 + Na2CO3 + H2O
KClO3 + S + H2O = H2SO4 + K2SO4*Cl2 =>
6 KClO3 + 5 S + 2 H2O = 2 H2SO4 + 3 K2SO4*Cl2
ZnBr2 + KOH = Zn(OH)2 + BrK =>
ZnBr2 + 2 KOH = Zn(OH)2 + 2 BrK
KMnO4 + H2SO4 + NaNO2 = NaMnO4 + K2SO4 + HNO2 =>
2 KMnO4 + H2SO4 + 2 NaNO2 = 2 NaMnO4 + K2SO4 + 2 HNO2
Na3[Al(OH)6] + HNO3 = Al(NO3)3 + NaNO3 + H2O =>
Na3[Al(OH)6] + 6 HNO3 = Al(NO3)3 + 3 NaNO3 + 6 H2O
ZnSO4*7H2O + NaOH = NaSO4 + H2O + Zn + OH =>
ZnSO4*7H2O + NaOH = NaSO4 + 7 H2O + Zn + OH
SnCl4 + NaOH = SnO2 + NaCl + H2O =>
SnCl4 + 4 NaOH = SnO2 + 4 NaCl + 2 H2O
Cr(NO3)2 + CuSO4 = CrSO4 + Cu(NO3)2 =>
Cr(NO3)2 + CuSO4 = CrSO4 + Cu(NO3)2
Cu + CO2 + H2O = CuCO3 + H2 =>
Cu + CO2 + H2O = CuCO3 + H2
KClO3 + S + H2O = H2SO4 + K2SO4*Cl2 =>
6 KClO3 + 5 S + 2 H2O = 2 H2SO4 + 3 K2SO4*Cl2
AlCl3 + CH3COONa + H2O = Al(OH)2CH3COO + NaCl + CH3COOH =>
AlCl3 + 3 CH3COONa + 2 H2O = Al(OH)2CH3COO + 3 NaCl + 2 CH3COOH
Zn + CuSO4 = Zn4SO4 + Cu =>
4 Zn + CuSO4 = Zn4SO4 + Cu
C6H1104 + O2 = CO2 + H2O =>
C6H1104 + 282 O2 = 6 CO2 + 552 H2O
KClO3 + S + H2O = H2SO4 + K2SO4*Cl2 =>
6 KClO3 + 5 S + 2 H2O = 2 H2SO4 + 3 K2SO4*Cl2
PbCl2 + Fe2(SO4)3 = FeCl3 + Pb(SO4) =>
3 PbCl2 + Fe2(SO4)3 = 2 FeCl3 + 3 Pb(SO4)
CS2 + H2 = C2H4 + H2S =>
2 CS2 + 6 H2 = C2H4 + 4 H2S
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
K + H2O = K{+} + OH{-} + H2 =>
2 K + 2 H2O = 2 K{+} + 2 OH{-} + H2
Fe + O{2} = Fe{3} + O2 =>
4 Fe + 6 O{2} = 4 Fe{3} + 3 O2
He3Br3 = HeBr =>
He3Br3 = 3 HeBr
Cd(NO3)2 + Na2CO3 = CdCO3 + NaNO3 =>
Cd(NO3)2 + Na2CO3 = CdCO3 + 2 NaNO3
NaNO2 + Na2SO3 + HCl = NO + NaCl + H2O + Na2SO4 =>
2 NaNO2 + Na2SO3 + 2 HCl = 2 NO + 2 NaCl + H2O + Na2SO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Ni(s) + HCl(aq) = H2(g) + NiCl2(aq) =>
Ni(s) + 2 HCl(aq) = H2(g) + NiCl2(aq)
CaSO4 + CaS = CaO + SO2 =>
3 CaSO4 + CaS = 4 CaO + 4 SO2
KClO4 + Na2SO3 + KOH = Cl2 + K2SO4 + Na2ClO4 + H2O =>
16 KClO4 + 14 Na2SO3 + 12 KOH = Cl2 + 14 K2SO4 + 14 Na2ClO4 + 6 H2O
LnS + O2 = LnO + SO2 =>
2 LnS + 3 O2 = 2 LnO + 2 SO2
C6H5COOH + NaOH = C6H5COONa + H2O =>
C6H5COOH + NaOH = C6H5COONa + H2O
Zn + CH3COOH = Zn(CH3COO) + H2 =>
2 Zn + 2 CH3COOH = 2 Zn(CH3COO) + H2
K + HNO3 = N2 + H2O + KNO3 =>
10 K + 12 HNO3 = N2 + 6 H2O + 10 KNO3
N = N2 =>
2 N = N2
Rh + H2O2 + HCl = RhCl4 + H2O =>
Rh + 2 H2O2 + 4 HCl = RhCl4 + 4 H2O
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Sb2O3 + Br2 + KOH = KSbO3 + KBr + H2O =>
Sb2O3 + 2 Br2 + 6 KOH = 2 KSbO3 + 4 KBr + 3 H2O
H3CCH3CH3CH3CH3OH + NaBr + H2SO4 = H3CCH3CH3CH3CH3Br + H2O + NaHSO4 =>
H3CCH3CH3CH3CH3OH + NaBr + H2SO4 = H3CCH3CH3CH3CH3Br + H2O + NaHSO4
SnCl4 + NaOH = SnO2 + NaCl + H2O =>
SnCl4 + 4 NaOH = SnO2 + 4 NaCl + 2 H2O
NaOCl + Na2SO3 = Na2OCl + NaSO3 =>
NaOCl + Na2SO3 = Na2OCl + NaSO3
Br2O7 + H2O = H1BrO4 =>
Br2O7 + H2O = 2 H1BrO4
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