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Mn + MnO2 = 2 MnO
Pb(CH3COO)2 + Na2CrO4 = PbCrO4 + NaCH3COO =>
Pb(CH3COO)2 + Na2CrO4 = PbCrO4 + 2 NaCH3COO
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Zn + NaOH = Na2(ZnO2) + H2 =>
Zn + 2 NaOH = Na2(ZnO2) + H2
CuCl2 + NaNO3 = Cu(NO3)2 + NaCl =>
CuCl2 + 2 NaNO3 = Cu(NO3)2 + 2 NaCl
CH3CH2OH + K2Cr2O7 + H2SO4 = CH3COOOH + Cr2(SO4)3 + K2SO4 + H2O =>
CH3CH2OH + K2Cr2O7 + 4 H2SO4 = CH3COOOH + Cr2(SO4)3 + K2SO4 + 5 H2O
C10H12O3 = C6H6O + H2O + CO2 =>
14 C10H12O3 = 23 C6H6O + 15 H2O + 2 CO2
N2H4 + H2O2 = N + H2O =>
N2H4 + 2 H2O2 = 2 N + 4 H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Cr2O3 + SO3 = CrO3 + SO2 =>
Cr2O3 + 3 SO3 = 2 CrO3 + 3 SO2
HC1 + Cr = CrC13 + H2 =>
26 HC1 + 2 Cr = 2 CrC13 + 13 H2
ABC + ABD + C2D3 = A2BC + BD2 =>
3 ABC + 7 ABD + C2D3 = 5 A2BC + 5 BD2
Mg(aq) + Ca(OH)2(aq) = Mg(OH)2(s) + Ca(aq) =>
Mg(aq) + Ca(OH)2(aq) = Mg(OH)2(s) + Ca(aq)
FeBr3 + AgNO3 = AgBr + FeN3O9 =>
FeBr3 + 3 AgNO3 = 3 AgBr + FeN3O9
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Pb(NO3)2 + Na2CO3 = PbCO3 + NaNO3 =>
Pb(NO3)2 + Na2CO3 = PbCO3 + 2 NaNO3
AlCl + Na = Al + NaCl =>
AlCl + Na = Al + NaCl
CaC2H2O = C2H2 + CaO =>
CaC2H2O = C2H2 + CaO
N + O = N3O4 =>
3 N + 4 O = N3O4
K2CrO4 + SnCl2 + HCl = KCl + CrCl3 + SnCl4 + H2O =>
2 K2CrO4 + 3 SnCl2 + 16 HCl = 4 KCl + 2 CrCl3 + 3 SnCl4 + 8 H2O
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
Cr2O3 + H2O = Cr(HO)3 =>
Cr2O3 + 3 H2O = 2 Cr(HO)3
Na3PO4 + Mg2(SO4)2 = Na2SO4 + Mg3(PO4)2 =>
4 Na3PO4 + 3 Mg2(SO4)2 = 6 Na2SO4 + 2 Mg3(PO4)2
ZnO(s) + SO2(g) = ZnS(s) + O2(g) =>
2 ZnO(s) + 2 SO2(g) = 2 ZnS(s) + 3 O2(g)
AlCl + Na = Al + NaCl =>
AlCl + Na = Al + NaCl
Pb(SO4)3 + (NO3)2 = Pb(NO3)2 + (SO4)3 =>
Pb(SO4)3 + (NO3)2 = Pb(NO3)2 + (SO4)3
C3H6Cl2 + Zn = (t)C3H6 + ZnCl2 =>
C3H6Cl2 + Zn = (t)C3H6 + ZnCl2
BaO + H2O = Ba(OH)2BaO =>
2 BaO + H2O = Ba(OH)2BaO
NaClO + KClO4 = NaClO4 + KClO =>
NaClO + KClO4 = NaClO4 + KClO
K2MnO4 + Na2CO3 = Na2MnO4 + K2CO3 =>
K2MnO4 + Na2CO3 = Na2MnO4 + K2CO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe + HBr = FeBr3 + H2 =>
2 Fe + 6 HBr = 2 FeBr3 + 3 H2
Na2CO3(aq) + BaCl2(aq) = Ba2CO3(aq) + NaCl2(aq) =>
Na2CO3(aq) + 2 BaCl2(aq) = Ba2CO3(aq) + 2 NaCl2(aq)
N2 + O2 = NO50 =>
N2 + 50 O2 = 2 NO50
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Mg + FeCl3 = Fe3 + MgCl =>
9 Mg + 3 FeCl3 = Fe3 + 9 MgCl
SrCl2(aq) + K2SO4(aq) = SrSO4(aq) + KCl =>
SrCl2(aq) + K2SO4(aq) = SrSO4(aq) + 2 KCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
AlCl + Na = Al + NaCl =>
AlCl + Na = Al + NaCl
UO3 + HNO3 = UO3(NO3)2 + H2O + NO =>
3 UO3 + 8 HNO3 = 3 UO3(NO3)2 + 4 H2O + 2 NO
Al2S3 + HCl = Al2Cl + S + H2 =>
2 Al2S3 + 2 HCl = 2 Al2Cl + 6 S + H2
F2 + Cr{2+} = F{-} + Cr{3+} =>
F2 + 2 Cr{2+} = 2 F{-} + 2 Cr{3+}
Cu(OH)2 + BaCl = CuCl2 + BaOH =>
Cu(OH)2 + 2 BaCl = CuCl2 + 2 BaOH
K3PO4 + H2O = K2O + H3(PO4) =>
2 K3PO4 + 3 H2O = 3 K2O + 2 H3(PO4)
KCO3(s) + HNO3(l) = KNO3(s) + HCO3(l) =>
KCO3(s) + HNO3(l) = KNO3(s) + HCO3(l)
Na2CO3(aq) + BaCl2(aq) = BaCO3(s) + NaCl(aq) =>
Na2CO3(aq) + BaCl2(aq) = BaCO3(s) + 2 NaCl(aq)
HOCH2CH2NH3{+} + HS{-} + (NH4)OH = (NH4)2S + HOCH2CH2NH2 + H2O =>
HOCH2CH2NH3{+} + HS{-} + 2(NH4)OH = (NH4)2S + HOCH2CH2NH2 + 2 H2O
H2SO4 + NO3 = HNO3 + HSO4 =>
H2SO4 + NO3 = HNO3 + HSO4
Cu(NO3)2 + CaO + H2O = Cu(OH)2 + Ca(NO3)2 =>
Cu(NO3)2 + CaO + H2O = Cu(OH)2 + Ca(NO3)2
K2SO4 + (Ba(NO3)2) = BaSO4 + KNO3 =>
K2SO4 + (Ba(NO3)2) = BaSO4 + 2 KNO3
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