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NaNO2 + 3 Na = 2 Na2O + N
KMnO4 + H2SO4 + Na2C2O4 = K2SO4 + Na2SO4 + MnSO4 + CO2 + H2O =>
2 KMnO4 + 8 H2SO4 + 5 Na2C2O4 = K2SO4 + 5 Na2SO4 + 2 MnSO4 + 10 CO2 + 8 H2O
Al + H2SO4 = (AlH)2SO4 =>
2 Al + H2SO4 = (AlH)2SO4
CH3CH2CH2CH3(l) + O2(g) = CO2(g) + H2O(g) =>
2 CH3CH2CH2CH3(l) + 13 O2(g) = 8 CO2(g) + 10 H2O(g)
Fe + SnI2 = FeI2 + Sn =>
Fe + SnI2 = FeI2 + Sn
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
C2H3Cl(s) + O2(g) = CO2(g) + H2O(g) + HCl(g) =>
2 C2H3Cl(s) + 5 O2(g) = 4 CO2(g) + 2 H2O(g) + 2 HCl(g)
Pb(NO3)2 + Na2CrO4 = PbCrO4 + NaNO3 =>
Pb(NO3)2 + Na2CrO4 = PbCrO4 + 2 NaNO3
C3H7OH(l) + O2 = CO2 + H2O =>
2 C3H7OH(l) + 9 O2 = 6 CO2 + 8 H2O
NH4 + HI = NH4I + H2 =>
2 NH4 + 2 HI = 2 NH4I + H2
NaOH + SnBr2 = Na2[Sn(OH)4] + NaBr =>
4 NaOH + SnBr2 = Na2[Sn(OH)4] + 2 NaBr
Cu + H3O + NO3 = [Cu(H2O)6]2 + NO2 =>
2 Cu + 8 H3O + 4 NO3 = [Cu(H2O)6]2 + 4 NO2
Ag + S8 = Ag2S =>
16 Ag + S8 = 8 Ag2S
N2(g) + O2(g) = N2O(g) =>
2 N2(g) + O2(g) = 2 N2O(g)
B + NaOH + O2 = NaBO2 + H2O =>
4 B + 4 NaOH + 3 O2 = 4 NaBO2 + 2 H2O
MnCl2 + CoSO4 = MnSO4 + CoCl2 =>
MnCl2 + CoSO4 = MnSO4 + CoCl2
C2H2 + O2 = O2H2 + C2 =>
C2H2 + O2 = O2H2 + C2
C3H3N2 + O2 = CO2 + H2O + NO2 =>
4 C3H3N2 + 23 O2 = 12 CO2 + 6 H2O + 8 NO2
PH3 + F2 = P2F6 + H2 =>
2 PH3 + 3 F2 = P2F6 + 3 H2
CuO + C2H5OH = C2H4O + Cu + H2O =>
CuO + C2H5OH = C2H4O + Cu + H2O
KNO3 + La2O3 + TiO2 = K2La2Ti3O10 + NO2 + O2 =>
4 KNO3 + 2 La2O3 + 6 TiO2 = 2 K2La2Ti3O10 + 4 NO2 + O2
Zn(NO3)2 + Ca(C2H3O2)2 = Zn(C2H3O2)2 + Ca(NO3)2 =>
Zn(NO3)2 + Ca(C2H3O2)2 = Zn(C2H3O2)2 + Ca(NO3)2
ZnO + H2SeO4 = Zn(SeO4) + H2O =>
ZnO + H2SeO4 = Zn(SeO4) + H2O
KMnO4 + KI + H2O = MnO2 + I2 + KOH =>
2 KMnO4 + 6 KI + 4 H2O = 2 MnO2 + 3 I2 + 8 KOH
K + Ni3(PO4)2 = K3PO4 + Ni =>
6 K + Ni3(PO4)2 = 2 K3PO4 + 3 Ni
Ca + C2H8N2O4 = CaC2O4 + NH4 =>
Ca + C2H8N2O4 = CaC2O4 + 2 NH4
Al + Cr + O2 = Al2(Cr2O7)3 =>
4 Al + 12 Cr + 21 O2 = 2 Al2(Cr2O7)3
(NH2)2CO + H3BO3 = B2(NH)3 + H2O + CO2 =>
3(NH2)2CO + 4 H3BO3 = 2 B2(NH)3 + 9 H2O + 3 CO2
K2C2O4 = K + C2O4 =>
K2C2O4 = 2 K + C2O4
Li + Te = Li2Te =>
2 Li + Te = Li2Te
C4H6O6 + NH4OH = (NH4)2C4H4O6 + H2O =>
C4H6O6 + 2 NH4OH = (NH4)2C4H4O6 + 2 H2O
Pb + H = PbH4 =>
Pb + 4 H = PbH4
C3H7Br + H2O = C3H8O + HBr =>
C3H7Br + H2O = C3H8O + HBr
H2SO2 + NaOH = H2O + Na2SO2 =>
H2SO2 + 2 NaOH = 2 H2O + Na2SO2
K2CrO4 + Mn(NO3)2 = KNO3 + MnCrO4 =>
K2CrO4 + Mn(NO3)2 = 2 KNO3 + MnCrO4
H2O2 + Cr2O7{2-} = O2 + Cr{3+} + OH{-} =>
8 H2O2 + 2 Cr2O7{2-} = 7 O2 + 4 Cr{3+} + 16 OH{-}
HF(aq) + Sr(OH)2(aq) = SrF2 + H2O =>
2 HF(aq) + Sr(OH)2(aq) = SrF2 + 2 H2O
Fe + CuCl2(aq) = FeCl2 + Cu =>
Fe + CuCl2(aq) = FeCl2 + Cu
Pb(NO3)2(aq) + NH4Cl = PbCl2 + NH4NO3 =>
Pb(NO3)2(aq) + 2 NH4Cl = PbCl2 + 2 NH4NO3
K4Fe(CN)6 + AgNO3 = K(NO3) + Ag4Fe(CN)6 =>
K4Fe(CN)6 + 4 AgNO3 = 4 K(NO3) + Ag4Fe(CN)6
HCNHNO2 = H2CNNO2 =>
HCNHNO2 = H2CNNO2
Mg + HCl = H2 + MgCl2 =>
Mg + 2 HCl = H2 + MgCl2
C6H6CH3 + KMnO4 + KOH = C6H6COOK + K2MnO4 + H2O =>
C6H6CH3 + 6 KMnO4 + 7 KOH = C6H6COOK + 6 K2MnO4 + 5 H2O
W + Br2 = WBr5 =>
2 W + 5 Br2 = 2 WBr5
K2O + Na2O = KNaO =>
K2O + Na2O = 2 KNaO
SrH2 = Sr + H2 =>
SrH2 = Sr + H2
Ag + S = Ag2S =>
2 Ag + S = Ag2S
C18H36O2 + C6H8O7 = H + CO =>
C18H36O2 + 16 C6H8O7 = 164 H + 114 CO
H2ZnO2 = ZnO + H2O =>
H2ZnO2 = ZnO + H2O
Mg2(s) + HCl = H2(g) + MgCl2 =>
Mg2(s) + 4 HCl = 2 H2(g) + 2 MgCl2
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