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2 Mn2O7 = 4 MnO2 + 3 O2
K + H2Cr2O7 = K2Cr2O7 + H2 =>
2 K + H2Cr2O7 = K2Cr2O7 + H2
Ca + S = Ca{+} + S{-} = CaS =>
Ca + S = Ca{+} + S{-}
O2 + Au + KCN + H2O = KAu(CN)2 + KOH =>
O2 + 4 Au + 8 KCN + 2 H2O = 4 KAu(CN)2 + 4 KOH
HNO3 + Ca(OH)2 = Ca(NO3)2 + H2O =>
2 HNO3 + Ca(OH)2 = Ca(NO3)2 + 2 H2O
ZrO2 + (NH4)2HPO4 = ZrP2O7 + H2O + NH3 =>
ZrO2 + 2(NH4)2HPO4 = ZrP2O7 + 3 H2O + 4 NH3
Na6 + S + O4 = Na6SO4 =>
Na6 + S + O4 = Na6SO4
CH3CH2CN + LiAlH4 = CH3CH2CH2NH2 + LiAl =>
CH3CH2CN + LiAlH4 = CH3CH2CH2NH2 + LiAl
Si3N4 + CO = SiC + SiO + N2 =>
2 Si3N4 + 3 CO = 3 SiC + 3 SiO + 4 N2
C5H9OH = C5H8 + H2O =>
C5H9OH = C5H8 + H2O
Fe2O3 + Br2 = FeBr2 + O2 =>
2 Fe2O3 + 4 Br2 = 4 FeBr2 + 3 O2
CaCO3 + H2O + CO2 = Ca(HCO3)2 =>
CaCO3 + H2O + CO2 = Ca(HCO3)2
Pm + S = PmS =>
Pm + S = PmS
Au + HCl = AuCl3 + H2 =>
2 Au + 6 HCl = 2 AuCl3 + 3 H2
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
K + N2 = K3N =>
6 K + N2 = 2 K3N
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
HCI(aq) + Na2CO3(s) = NaCI(aq) + CO2(aq) + H2O =>
2 HCI(aq) + Na2CO3(s) = 2 NaCI(aq) + CO2(aq) + H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Pb + O2 = PbO =>
2 Pb + O2 = 2 PbO
Na + B + O2 = Na2B4O7 =>
4 Na + 8 B + 7 O2 = 2 Na2B4O7
M(OH)2 + H2 = MH2 + H2O =>
M(OH)2 + 2 H2 = MH2 + 2 H2O
CH3CH2NH2 + HBr = CH3CH2Br + NH3 =>
CH3CH2NH2 + HBr = CH3CH2Br + NH3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CuI + KOH = Cu2O + KI + H2O =>
2 CuI + 2 KOH = Cu2O + 2 KI + H2O
Fe3(O4) + HNO3 = Fe(NO3)3 + NO2 + HOH =>
Fe3(O4) + 10 HNO3 = 3 Fe(NO3)3 + NO2 + 5 HOH
MnCl5 + Sr(NO3)2 = SrCl2 + Mn(NO3)5 =>
2 MnCl5 + 5 Sr(NO3)2 = 5 SrCl2 + 2 Mn(NO3)5
LiOH + NaOH = H2O2 + LiNa =>
LiOH + NaOH = H2O2 + LiNa
Mn + HCH3COO = Mn(CH3COO)2 + H2 =>
Mn + 2 HCH3COO = Mn(CH3COO)2 + H2
AlCl3 + BaSO4 = Al(SO4)3 + BaCl =>
AlCl3 + 3 BaSO4 = Al(SO4)3 + 3 BaCl
FeC2O4 + Ce{3+} = Ce{2+} + Fe{3+} + CO2 =>
FeC2O4 + 3 Ce{3+} = 3 Ce{2+} + Fe{3+} + 2 CO2
CH2OHCH2OH + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH2OHCH2OH + 5 K2Cr2O7 + 20 H2SO4 = 6 CO2 + 5 Cr2(SO4)3 + 5 K2SO4 + 29 H2O
Al + Fe3N2 = AlN + Fe =>
2 Al + Fe3N2 = 2 AlN + 3 Fe
Cu(s) + Pb(NO3)2(aq) = Cu(NO3)2 + Pb(s) =>
Cu(s) + Pb(NO3)2(aq) = Cu(NO3)2 + Pb(s)
C3H4 + N2Cl4 = CCl4 + N2 + H2 =>
C3H4 + 3 N2Cl4 = 3 CCl4 + 3 N2 + 2 H2
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
CH3CH2CH2NH2 + NaNO2 + HCl = CH3CH2CH2OH + N2 + NaCl + H2O =>
CH3CH2CH2NH2 + NaNO2 + HCl = CH3CH2CH2OH + N2 + NaCl + H2O
CuO + HCOOH = HCOOCu + HO =>
CuO + HCOOH = HCOOCu + HO
C4H9COOH + NaOH = NaC4H9COO + H2O =>
C4H9COOH + NaOH = NaC4H9COO + H2O
MnCl2 + KOH + O2 = KMnO4 + KCl + H2O =>
4 MnCl2 + 12 KOH + 5 O2 = 4 KMnO4 + 8 KCl + 6 H2O
CH3COONa + H2SO4 = CH3COOH + Na2SO4 =>
2 CH3COONa + H2SO4 = 2 CH3COOH + Na2SO4
Ca + HOH = Ca(OH)2 + H2 =>
Ca + 2 HOH = Ca(OH)2 + H2
Fe2O3 + H3PO4 = Fe(PO4) + H2O =>
Fe2O3 + 2 H3PO4 = 2 Fe(PO4) + 3 H2O
Al + Fe3N2 = AlN + Fe =>
2 Al + Fe3N2 = 2 AlN + 3 Fe
Ni + Al(C2H3O2)3 = Ni(C2H3O2) + Al =>
3 Ni + Al(C2H3O2)3 = 3 Ni(C2H3O2) + Al
C6H12 + KMnO4 + H2SO4 = CH3CH2CHO + K2SO4 + MnSO4 + H2O =>
5 C6H12 + 4 KMnO4 + 6 H2SO4 = 10 CH3CH2CHO + 2 K2SO4 + 4 MnSO4 + 6 H2O
H5IO6 + NO = NO3{-} + IO3{-} + H{+} + H2O =>
3 H5IO6 + 2 NO = 2 NO3{-} + 3 IO3{-} + 5 H{+} + 5 H2O
Al + C = Al4C =>
4 Al + C = Al4C
Na2O = O + Na =>
Na2O = O + 2 Na
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