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N2(g) + 4 H2O(l) + Cr2O3(s) = (NH4)2Cr2O7(s)
NH4Cl + H2SO4 = (NH4)2SO4 + HCl =>
2 NH4Cl + H2SO4 = (NH4)2SO4 + 2 HCl
Na + S8 = Na2S =>
16 Na + S8 = 8 Na2S
CoO + B2H6 = B2O3 + Co + H2O =>
6 CoO + B2H6 = B2O3 + 6 Co + 3 H2O
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
Cu + Fe(NO3)3 = CuNO3 + Fe =>
3 Cu + Fe(NO3)3 = 3 CuNO3 + Fe
Ag + (NH4)2C2O4 = AgC2O4 + NH4 =>
Ag + (NH4)2C2O4 = AgC2O4 + 2 NH4
Co3P2 + H2O = Co(OH)2 + PH3 =>
Co3P2 + 6 H2O = 3 Co(OH)2 + 2 PH3
C12H24O12 = C2H5OH + CO2 =>
C12H24O12 = 4 C2H5OH + 4 CO2
H2S + NaOH = S + NaOH2 =>
H2S + 2 NaOH = S + 2 NaOH2
As2S2 + NH4OH + H2O2 = (NH4)3AsO4 + (NH4)2SO2 + H2 =>
As2S2 + 10 NH4OH + H2O2 = 2(NH4)3AsO4 + 2(NH4)2SO2 + 6 H2
AgNO3 + CH2O = Ag + CO2 + NH3 + H2O =>
4 AgNO3 + 9 CH2O = 4 Ag + 9 CO2 + 4 NH3 + 3 H2O
Na2S2O3 + CO2 = Na2CO3 + SO2 + S =>
Na2S2O3 + CO2 = Na2CO3 + SO2 + S
As2S3 + NO3{-} + H2O = AsO4{3-} + SO4{2-} + H{+} + NO =>
3 As2S3 + 28 NO3{-} + 4 H2O = 6 AsO4{3-} + 9 SO4{2-} + 8 H{+} + 28 NO
Na + Al + Si + O2 = NaAlSi3O8 =>
Na + Al + 3 Si + 4 O2 = NaAlSi3O8
Cr2O3 + NaOH + H2O = Na3(Cr(OH)6) =>
Cr2O3 + 6 NaOH + 3 H2O = 2 Na3(Cr(OH)6)
(CH3)3CC(CH3)3 + O2 = CO2 + H2O =>
2(CH3)3CC(CH3)3 + 25 O2 = 16 CO2 + 18 H2O
C2HCl3O2 + NaOH = NaC2 + HOHCl3O2 =>
C2HCl3O2 + NaOH = NaC2 + HOHCl3O2
Mg3N2 + H2O = Mg3O + N2H2 =>
Mg3N2 + H2O = Mg3O + N2H2
Cu(s) + HNO3(l) = Cu(NO3)2(aq) + NO(g) + H2O(l) =>
3 Cu(s) + 8 HNO3(l) = 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O(l)
Na[H2PO4] = H2O + Na2[H2P2O7] =>
2 Na[H2PO4] = H2O + Na2[H2P2O7]
PB(NO3)2 + H2SO4 = PBSO4 + HNO3 =>
PB(NO3)2 + H2SO4 = PBSO4 + 2 HNO3
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
HNS + O2 = H2O + NO2 + SO2 =>
4 HNS + 9 O2 = 2 H2O + 4 NO2 + 4 SO2
C4H6N2O8 = CH3NO2 + CO2 =>
C4H6N2O8 = 2 CH3NO2 + 2 CO2
HCl(aq)H2O(l) = H3OCl =>
HCl(aq)H2O(l) = H3OCl
C3H8O + Br2 = C3H8OBr =>
2 C3H8O + Br2 = 2 C3H8OBr
BaO2 = BaO + O2 =>
2 BaO2 = 2 BaO + O2
H2 + Fe3P2 = Fe + PH3 =>
3 H2 + Fe3P2 = 3 Fe + 2 PH3
Ca + H2 = CaH2 =>
Ca + H2 = CaH2
Cu + NH3 + O2 + H2O = [Cu(NH3)4]{2+} + OH{-} =>
2 Cu + 8 NH3 + O2 + 2 H2O = 2[Cu(NH3)4]{2+} + 4 OH{-}
Cl2 + Na[Al(OH)4] = NaCl + NaClO + Al(OH)3 + H2O =>
Cl2 + 2 Na[Al(OH)4] = NaCl + NaClO + 2 Al(OH)3 + H2O
Co(OH)3 + HNO3 = Co(NO3)3 + HOH =>
Co(OH)3 + 3 HNO3 = Co(NO3)3 + 3 HOH
NaHCO3 = Na2CO3 + H2O + CO2 =>
2 NaHCO3 = Na2CO3 + H2O + CO2
HBrNaCl = HClNaBr =>
HBrNaCl = HClNaBr
FeCl3(aq) + Pb(NO3)2(aq) = Fe(NO3)3 + PbCl2 =>
2 FeCl3(aq) + 3 Pb(NO3)2(aq) = 2 Fe(NO3)3 + 3 PbCl2
AgNO3 + H3PO4 = Ag3PO4 + HNO3 =>
3 AgNO3 + H3PO4 = Ag3PO4 + 3 HNO3
Al2(SO4)3(aq) + Ca(OH)2(aq) = Al(OH)3(s) + CaSO4(aq) =>
Al2(SO4)3(aq) + 3 Ca(OH)2(aq) = 2 Al(OH)3(s) + 3 CaSO4(aq)
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
V2O5 + Ca = CaO + V =>
V2O5 + 5 Ca = 5 CaO + 2 V
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Li2CO3 + Ta2O5 + NH6PO4 = CO2 + H2O + LiPO3 + N2 + Ta =>
5 Li2CO3 + 3 Ta2O5 + 10 NH6PO4 = 5 CO2 + 30 H2O + 10 LiPO3 + 5 N2 + 6 Ta
W + HNO3 = W(NO3)6 + NO2 + H2O =>
W + 12 HNO3 = W(NO3)6 + 6 NO2 + 6 H2O
Ag + HNO3 = N + H2O + AgNO3 =>
5 Ag + 6 HNO3 = N + 3 H2O + 5 AgNO3
H2S2O7 + Ba(OH)2 = BaSO4 + H2O =>
H2S2O7 + 2 Ba(OH)2 = 2 BaSO4 + 3 H2O
Co(iii)Br + CaS = CaBr + CoS =>
Co(iii)Br + CaS = CaBr + CoS
H3PO4 + CaCe2 = HCe + Ca3(PO4)2 =>
2 H3PO4 + 3 CaCe2 = 6 HCe + Ca3(PO4)2
Fe3(PO4)2 + NaCl = FeCl2 + Na3PO4 =>
Fe3(PO4)2 + 6 NaCl = 3 FeCl2 + 2 Na3PO4
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