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4 Al + 6 PbSO4 = 2 Al2(SO4)3 + 3 Pb2
KMnO4 + C2H2O4 = CO2 + H2O + Mn + K =>
KMnO4 + 4 C2H2O4 = 8 CO2 + 4 H2O + Mn + K
Cr(OH)3 + OBr{-} + H2O = CrO4{2-} + Br{-} + H3O{+} =>
2 Cr(OH)3 + 3 OBr{-} + 3 H2O = 2 CrO4{2-} + 3 Br{-} + 4 H3O{+}
Al(H2O)6 + OH = Al(H2O)3(OH)3 + HOH =>
Al(H2O)6 + 3 OH = Al(H2O)3(OH)3 + 3 HOH
MgSO3 + HNO3 = Mg(NO3)2 + H2SO3 =>
MgSO3 + 2 HNO3 = Mg(NO3)2 + H2SO3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C7H8 + H2SO4 = C7H8SO3 + H2O =>
C7H8 + H2SO4 = C7H8SO3 + H2O
Mg + (CO3)2 = MgCO3 =>
2 Mg + (CO3)2 = 2 MgCO3
(NH4)NO3 = N2 + O2 + H2O =>
2(NH4)NO3 = 2 N2 + O2 + 4 H2O
SrO(s) + HBr(aq) = HO + SrBr =>
SrO(s) + HBr(aq) = HO + SrBr
ClO3 + Na2O = NaCl + O2 =>
4 ClO3 + 2 Na2O = 4 NaCl + 7 O2
Cu2 + H2SO4 = CuSO4 + H2 =>
Cu2 + 2 H2SO4 = 2 CuSO4 + 2 H2
Na2CO3 + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + CO2 + H2O
Si + C = SiC1 =>
Si + C = SiC1
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
Cu + (HgNO3)2 = Cu(NO3)2 + Hg =>
Cu + (HgNO3)2 = Cu(NO3)2 + 2 Hg
Pb + Fe(NO3)3 = Fe + Pb(NO3)2 =>
3 Pb + 2 Fe(NO3)3 = 2 Fe + 3 Pb(NO3)2
C6H12O2 + Zn = C12H22O4Zn + H2 =>
2 C6H12O2 + Zn = C12H22O4Zn + H2
HNO2 + Ce = Ce(NO2) + H2 =>
2 HNO2 + 2 Ce = 2 Ce(NO2) + H2
NaHCO3 + H2O = NaOH + H2CO3 =>
NaHCO3 + H2O = NaOH + H2CO3
C4H4O4 + Ca(OH)2 = C4H4OCa + H2O + CO2 =>
5 C4H4O4 + 3 Ca(OH)2 = 3 C4H4OCa + 7 H2O + 8 CO2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Ag + HNO3 = AgNO3 + H2O + NO2 =>
Ag + 2 HNO3 = AgNO3 + H2O + NO2
FeCl2 + KMnO4 + HCl = FeCl3 + MnCl2 + H2O + KCl =>
5 FeCl2 + KMnO4 + 8 HCl = 5 FeCl3 + MnCl2 + 4 H2O + KCl
(NH4)2S2O8 + H2O = NH4HSO4 + H2O2 =>
(NH4)2S2O8 + 2 H2O = 2 NH4HSO4 + H2O2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
NH4NO3 + KNO2 = NH4NO2 + KNO3 =>
NH4NO3 + KNO2 = NH4NO2 + KNO3
BaO4 + HNO3 = Ba(NO3)2 + H2O2 + O2 =>
BaO4 + 2 HNO3 = Ba(NO3)2 + H2O2 + O2
Sb + P = Sb3P5 =>
3 Sb + 5 P = Sb3P5
NaHCO3(aq) + HCl(aq) = H2CO3(aq) + NaCl(aq) = CO2(g) + H2O(l) =>
NaHCO3(aq) + HCl(aq) = H2CO3(aq) + NaCl(aq)
HCl + KI + CeO2 = I + H2O + KCl + CeCl =>
4 HCl + 3 KI + CeO2 = 3 I + 2 H2O + 3 KCl + CeCl
K + HNO3 = KNO3 + N2 + H2O =>
10 K + 12 HNO3 = 10 KNO3 + N2 + 6 H2O
CH3CH2COH + Ag2O = CH3CH2COOH + Ag2 =>
CH3CH2COH + Ag2O = CH3CH2COOH + Ag2
Fe3 + KOH = Fe(OH)3 + K =>
Fe3 + 9 KOH = 3 Fe(OH)3 + 9 K
Li2SO4 + Ca(NO3)2 = LiNO3 + CaSO4 =>
Li2SO4 + Ca(NO3)2 = 2 LiNO3 + CaSO4
Ca2 + CO3 = CaO + CO2 =>
Ca2 + 2 CO3 = 2 CaO + 2 CO2
Ca(OH)3 + H3PO4 = Ca3(PO4)3 + H2O =>
3 Ca(OH)3 + 3 H3PO4 = Ca3(PO4)3 + 9 H2O
Fe + Al(No3)3 = Al + Fe(No3)3 =>
Fe + Al(No3)3 = Al + Fe(No3)3
Ac + H2 = AcH3 =>
2 Ac + 3 H2 = 2 AcH3
FeS + K2Cr2O7 + HCl = CrCl3 + FeCl3 + K2SO4 + KCl + H2O =>
2 FeS + 3 K2Cr2O7 + 26 HCl = 6 CrCl3 + 2 FeCl3 + 2 K2SO4 + 2 KCl + 13 H2O
KBrO3 + XeF2 + H2O = KBrO4 + Xe + HF =>
KBrO3 + XeF2 + H2O = KBrO4 + Xe + 2 HF
Fe3 + Pt = FePt =>
Fe3 + 3 Pt = 3 FePt
NH4C2O4 + CuCl2 = CuC2O4 + NH4Cl2 =>
NH4C2O4 + CuCl2 = CuC2O4 + NH4Cl2
HCl + K2Cr2O7 = Cl + CrCl + KCl + H2O =>
14 HCl + K2Cr2O7 = 10 Cl + 2 CrCl + 2 KCl + 7 H2O
Bi + NaOH = Bi(OH)2 + Na =>
Bi + 2 NaOH = Bi(OH)2 + 2 Na
Ti + HF = TiF4 + H2 =>
Ti + 4 HF = TiF4 + 2 H2
AgNO3 + Br = Ag + BrNO3 =>
AgNO3 + Br = Ag + BrNO3
KMnO4 + H2C2O4 = MnO2 + H2O + CO2 + K2CO3 =>
2 KMnO4 + 3 H2C2O4 = 2 MnO2 + 3 H2O + 5 CO2 + K2CO3
KI + KBrO3 + HCl = KBr + I2 + KCl + H2O =>
6 KI + KBrO3 + 6 HCl = KBr + 3 I2 + 6 KCl + 3 H2O
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