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3 Nb + 5 HNO3 + 21 HF = 3 H2NbF7 + 5 NO + 10 H2O
AgNO3 + Na2S = Ag2S + NaNO3 =>
2 AgNO3 + Na2S = Ag2S + 2 NaNO3
Al(C2H3O2)3 + (NH4)3PO4 = AlPO4 + NH4C2H3O2 =>
Al(C2H3O2)3 + (NH4)3PO4 = AlPO4 + 3 NH4C2H3O2
CH3COCH3 + NaOH = CH3COCH2Na + H2O =>
CH3COCH3 + NaOH = CH3COCH2Na + H2O
HBr + O2 = Br2 + H2O =>
4 HBr + O2 = 2 Br2 + 2 H2O
H + SO4 = H2SO4 =>
2 H + SO4 = H2SO4
C36H74 + O2 = CO + H2O =>
2 C36H74 + 73 O2 = 72 CO + 74 H2O
Mn + H2SO3 = Mn2(SO3)3 + H2 =>
2 Mn + 3 H2SO3 = Mn2(SO3)3 + 3 H2
K2Cr2O7 + K2SO4 + NaOH = K2CrO4 + Na2SO4 + H2O =>
K2Cr2O7 + K2SO4 + 2 NaOH = 2 K2CrO4 + Na2SO4 + H2O
Mg(s) + Pb(C2H3O2)2(ac) = Mg(C2H3O2)2(s) + Pb(s) =>
Mg(s) + Pb(C2H3O2)2(ac) = Mg(C2H3O2)2(s) + Pb(s)
Na2S + Cr2(SO4)3 = Na2(SO4) + Cr2S3 =>
3 Na2S + Cr2(SO4)3 = 3 Na2(SO4) + Cr2S3
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
TiCl4(l) + Na(s) = NaCl(s) + Ti(s) =>
TiCl4(l) + 4 Na(s) = 4 NaCl(s) + Ti(s)
C6H5OH + CO2 = C7H6O3 =>
C6H5OH + CO2 = C7H6O3
NH4Cl + O2 = HNO3 + HCl + H2O =>
NH4Cl + 2 O2 = HNO3 + HCl + H2O
CH3COCH3 + KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + CH3COOCH3 =>
5 CH3COCH3 + 2 KMnO4 + 3 H2SO4 = 3 H2O + K2SO4 + 2 MnSO4 + 5 CH3COOCH3
H2 + VO2 = VO + H2O =>
H2 + VO2 = VO + H2O
Ga + Cl2 = GaCl3 =>
2 Ga + 3 Cl2 = 2 GaCl3
K2S(aq) + ZnCl2(aq) = ZnS(s) + KCl(aq) =>
K2S(aq) + ZnCl2(aq) = ZnS(s) + 2 KCl(aq)
Ca(NO3)2(aq) + NH4Cl(aq) = CaCl2(s) + NH4NO3(aq) =>
Ca(NO3)2(aq) + 2 NH4Cl(aq) = CaCl2(s) + 2 NH4NO3(aq)
C18H32O2 + CH3OH = C19H36O2 + C3H8O3 =>
17 C18H32O2 + 28 CH3OH = 16 C19H36O2 + 10 C3H8O3
C2H5COOH + Zn = (C2H5COO)2Zn + H2 =>
2 C2H5COOH + Zn = (C2H5COO)2Zn + H2
Te + Ir = Ir2Te3 =>
3 Te + 2 Ir = Ir2Te3
C7H16(g) + O2 = CO2(g) + H2O(l) =>
C7H16(g) + 11 O2 = 7 CO2(g) + 8 H2O(l)
Re2O7 + Re = ReO2 =>
2 Re2O7 + 3 Re = 7 ReO2
C3H6Cl2 + KOH = C3H6(OH)2 + KCl =>
C3H6Cl2 + 2 KOH = C3H6(OH)2 + 2 KCl
Ca(OH)2 + NH4C2H3O2 = Ca(C2H3O2)2 + NH4OH =>
Ca(OH)2 + 2 NH4C2H3O2 = Ca(C2H3O2)2 + 2 NH4OH
FrO + H2SO4 = FrSO4 + H2O =>
FrO + H2SO4 = FrSO4 + H2O
PO + CO = P2 + CO2 =>
2 PO + 2 CO = P2 + 2 CO2
HIO3 + NaHCO3 = NaIO3 + H2CO3 =>
HIO3 + NaHCO3 = NaIO3 + H2CO3
KClO3 + KCl + H2SO4 = Cl2 + H2O + KHSO4 =>
KClO3 + 5 KCl + 6 H2SO4 = 3 Cl2 + 3 H2O + 6 KHSO4
NO2(g) + H2O = HNO3 + NO(g) =>
3 NO2(g) + H2O = 2 HNO3 + NO(g)
NH4Cl + O2 = N2 + HCl + H2O =>
4 NH4Cl + 3 O2 = 2 N2 + 4 HCl + 6 H2O
HI + K(OH) = H(OH) + KI =>
HI + K(OH) = H(OH) + KI
NaBH4 + H2O = NaOH + H3BO3 + H2 =>
NaBH4 + 4 H2O = NaOH + H3BO3 + 4 H2
NH4Cl + O2 = (NH4)2O + Cl2 =>
4 NH4Cl + O2 = 2(NH4)2O + 2 Cl2
Ge + Cl2 = GeCl4 =>
Ge + 2 Cl2 = GeCl4
Cu + K4[Fe(CN)6] = Cu2[Fe(CN)6] + K2 =>
2 Cu + K4[Fe(CN)6] = Cu2[Fe(CN)6] + 2 K2
Y(NO3)3 + Ba(NO3)2 + Cu(NO3)2 + C2H5NO2 = YBa2Cu3O7 + CO2 + H2O + NO2 =>
13 Y(NO3)3 + 26 Ba(NO3)2 + 39 Cu(NO3)2 + 12 C2H5NO2 = 13 YBa2Cu3O7 + 24 CO2 + 30 H2O + 181 NO2
CuCO3(s) + HCl(aq) = CuCl2 + H2O + CO2 =>
CuCO3(s) + 2 HCl(aq) = CuCl2 + H2O + CO2
HCOOH + Ba(OH)2 = Ba(COOH)2 + H2O =>
2 HCOOH + Ba(OH)2 = Ba(COOH)2 + 2 H2O
NH4Cl + O2 = HNO2 + HCl + H2O =>
2 NH4Cl + 3 O2 = 2 HNO2 + 2 HCl + 2 H2O
KNO3 + C6H12N4 = K2CO3 + CO2 + H2O + N2 =>
36 KNO3 + 5 C6H12N4 = 18 K2CO3 + 12 CO2 + 30 H2O + 28 N2
C3H6(OH)2 + Cu(OH)2 = (C3H6OHO)2Cu + H2O =>
2 C3H6(OH)2 + Cu(OH)2 = (C3H6OHO)2Cu + 2 H2O
PbO2 + Cl{-} + H2O = PbCl2 + O2 + OH{-} =>
2 PbO2 + 4 Cl{-} + 2 H2O = 2 PbCl2 + O2 + 4 OH{-}
HSO3{-} + H2O = SO4{2-} + H{+} + e =>
HSO3{-} + H2O = SO4{2-} + 3 H{+} + 2e
C5H10(l) + O2 = CO2(g) + H2O(g) =>
2 C5H10(l) + 15 O2 = 10 CO2(g) + 10 H2O(g)
KMnO4 + Na2S + KOH = K2MnO4 + Na2SO4 + H2O =>
8 KMnO4 + Na2S + 8 KOH = 8 K2MnO4 + Na2SO4 + 4 H2O
CH3CH2CH2OH + MnO4{-} = CH3CH2COOH + MnO2 + OH{-} + H2O =>
3 CH3CH2CH2OH + 4 MnO4{-} = 3 CH3CH2COOH + 4 MnO2 + 4 OH{-} + H2O
PbO + N2 = PbN + O2 =>
2 PbO + N2 = 2 PbN + O2
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