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2 Fe2O3 + 6 H2S = S2 + 4 FeS + 6 H2O
SiO2 + C + N2 = Si3N4 + CO2 =>
3 SiO2 + 3 C + 2 N2 = Si3N4 + 3 CO2
SO2 + HNO3 + H2O = H2SO4 + NO =>
3 SO2 + 2 HNO3 + 2 H2O = 3 H2SO4 + 2 NO
NaHCO3 + H3C6H5O7H2O = H2O + Na3C6H5O7 + CO2 =>
3 NaHCO3 + H3C6H5O7H2O = 4 H2O + Na3C6H5O7 + 3 CO2
NaCO3 + H2O + CO2 = NaH + CO3 =>
2 NaCO3 + H2O + CO2 = 2 NaH + 3 CO3
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
P4O10(s) + H2O = H3PO4 =>
P4O10(s) + 6 H2O = 4 H3PO4
Cu(NO3)2 + C2H5NO2 = CuO + CO2 + H2O + N2 =>
9 Cu(NO3)2 + 10 C2H5NO2 = 9 CuO + 20 CO2 + 25 H2O + 14 N2
Ni2SO4 + AgOH = Ag2SO4 + NiOH =>
Ni2SO4 + 2 AgOH = Ag2SO4 + 2 NiOH
PbS + H{+} + NO3{-} = S + Pb{2+} + NO + H2O =>
3 PbS + 8 H{+} + 2 NO3{-} = 3 S + 3 Pb{2+} + 2 NO + 4 H2O
CuO + KNO3 = Cu(NO3)2 + K2O =>
CuO + 2 KNO3 = Cu(NO3)2 + K2O
Ni2SO4 + AgOH = Ag2SO4 + NiOH =>
Ni2SO4 + 2 AgOH = Ag2SO4 + 2 NiOH
CaO + H2CO3 = CaCO3 + H2O =>
CaO + H2CO3 = CaCO3 + H2O
Na3P = Na + P4 =>
4 Na3P = 12 Na + P4
AgO = Ag + O =>
AgO = Ag + O
C3H7Cl + C6H6 = C6HCl + C3H6 =>
C3H7Cl + 2 C6H6 = C6HCl + 3 C3H6
FeI2 + HNO3 = NO2 + Fe(NO3)3 + HIO3 + H2O =>
FeI2 + 16 HNO3 = 13 NO2 + Fe(NO3)3 + 2 HIO3 + 7 H2O
Ni2SO4 + AgOH = Ag2SO4 + NiOH =>
Ni2SO4 + 2 AgOH = Ag2SO4 + 2 NiOH
NaCO3 = CO2 + O2 + Na =>
2 NaCO3 = 2 CO2 + O2 + 2 Na
Ni2SO4 + AgOH = Ag2SO4 + NiOH =>
Ni2SO4 + 2 AgOH = Ag2SO4 + 2 NiOH
C10H15NO + HI + P = C10H15N + PI3 + H2O =>
3 C10H15NO + 6 HI + 2 P = 3 C10H15N + 2 PI3 + 3 H2O
CoCO3 + HBr = CoBr2 + H2CO3 =>
CoCO3 + 2 HBr = CoBr2 + H2CO3
FeSO4 + KMnO4 + H2O = MnO2 + Fe(OH)3 + Fe2(SO4)3 + KOH =>
3 FeSO4 + KMnO4 + 2 H2O = MnO2 + Fe(OH)3 + Fe2(SO4)3 + KOH
Na2CO3 + Sr(NO2)2 = NaNO2 + SrCO3 =>
Na2CO3 + Sr(NO2)2 = 2 NaNO2 + SrCO3
B2O3 + BaO = Ba5B4O11 =>
2 B2O3 + 5 BaO = Ba5B4O11
KOH + H = K + H2O =>
KOH + H = K + H2O
CdS + O2 = CdSO4 =>
CdS + 2 O2 = CdSO4
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
Na2O + CrO3 = Na2CrO4 =>
Na2O + CrO3 = Na2CrO4
K2Cr2O7 + C6H4(CH3)2 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O + C8H10O4 =>
4 K2Cr2O7 + 3 C6H4(CH3)2 + 16 H2SO4 = 4 Cr2(SO4)3 + 4 K2SO4 + 16 H2O + 3 C8H10O4
CuO + KNO3 = Cu(NO3)2 + K2O =>
CuO + 2 KNO3 = Cu(NO3)2 + K2O
CaC2 + N2 = CaCN2 + C2 =>
2 CaC2 + 2 N2 = 2 CaCN2 + C2
HgSO4 + Hg + NaCl = Hg2*Cl2 + Na2*SO4 =>
HgSO4 + Hg + 2 NaCl = Hg2*Cl2 + Na2*SO4
NH2COONH4 = CO(NH2)2 + H2O =>
NH2COONH4 = CO(NH2)2 + H2O
CH = HC =>
CH = HC
SCl(l) + NaF(s) = SF4(g) + S2Cl(l) + NaCl(s) =>
7 SCl(l) + 4 NaF(s) = SF4(g) + 3 S2Cl(l) + 4 NaCl(s)
KMnO4 + Na2C2O4 + HCl = MnCl2 + CO2 + H2O + KCl + NaCl =>
2 KMnO4 + 5 Na2C2O4 + 16 HCl = 2 MnCl2 + 10 CO2 + 8 H2O + 2 KCl + 10 NaCl
C8H18 + O2 = H2 + CO2 =>
C8H18 + 8 O2 = 9 H2 + 8 CO2
HNO3(aq) + Ni(s) = Ni(NO3)2(aq) + H2(g) =>
2 HNO3(aq) + Ni(s) = Ni(NO3)2(aq) + H2(g)
Na + Al2(CO3)3 = Na2CO3 + Al =>
6 Na + Al2(CO3)3 = 3 Na2CO3 + 2 Al
NaCl(aq) + Pb(NO3)2(aq) = NaNO3 + PbCl2 =>
2 NaCl(aq) + Pb(NO3)2(aq) = 2 NaNO3 + PbCl2
K2SO4 + Ni(NO3)2 = K(NO3) + NiSO4 =>
K2SO4 + Ni(NO3)2 = 2 K(NO3) + NiSO4
C6H12O6 + CHNaO2 = H2O + CO2 + C6H11NaO5 =>
C6H12O6 + CHNaO2 = H2O + CO2 + C6H11NaO5
Na2SO4 = Na{+} + SO4{2-} =>
Na2SO4 = 2 Na{+} + SO4{2-}
HNO3 + FeI2 = Fe(NO3)3 + NO + I + H2O =>
4 HNO3 + FeI2 = Fe(NO3)3 + NO + 2 I + 2 H2O
Sb + S = Sb2S3 =>
2 Sb + 3 S = Sb2S3
C3H7Cl + C6H6 = C6H5Cl + C3H6 =>
3 C3H7Cl + 4 C6H6 = 3 C6H5Cl + 5 C3H6
KC4H5O6 + NaOH = Na3KC4H2O6 + H2O =>
KC4H5O6 + 3 NaOH = Na3KC4H2O6 + 3 H2O
MgSO4 + NH4OH = (NH4)2SO4Mg(OH)2 =>
MgSO4 + 2 NH4OH = (NH4)2SO4Mg(OH)2
CO(g) + O(g) = CO2 =>
CO(g) + O(g) = CO2
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