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Cr(OH)2 + 2 HNo3 = Cr(No3)2 + 2 H2O
K2Cr2O7 + H2S + NaOH + H2O = K3[Cr(OH)6] + S + Na2Cr2O7 =>
3 K2Cr2O7 + 3 H2S + 4 NaOH + H2O = 2 K3[Cr(OH)6] + 3 S + 2 Na2Cr2O7
Fe10 + Be20 = FeBe =>
2 Fe10 + Be20 = 20 FeBe
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
FeS + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 FeS + 10 H2SO4 = Fe2(SO4)3 + 10 H2O + 9 SO2
NH4OH + H = NH4 + H2O =>
NH4OH + H = NH4 + H2O
K2CrO4 + KNO2 + KOH + H2O = K3(Cr(OH)6) + KNO3 =>
2 K2CrO4 + 3 KNO2 + 2 KOH + 5 H2O = 2 K3(Cr(OH)6) + 3 KNO3
CaF2 + Li2SO4 = CaSO4 + LiF =>
CaF2 + Li2SO4 = CaSO4 + 2 LiF
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
C + CuO = CuC + CO2 =>
3 C + 2 CuO = 2 CuC + CO2
HC2H3O2 + H2SO4 = CO2 + H2S + H2O =>
HC2H3O2 + H2SO4 = 2 CO2 + H2S + 2 H2O
K2Cl2O7 + FeSO4 + H2SO4 = K2SO4 + Cl2(SO4)3 + Fe2(SO4)3 + H2O =>
K2Cl2O7 + 6 FeSO4 + 7 H2SO4 = K2SO4 + Cl2(SO4)3 + 3 Fe2(SO4)3 + 7 H2O
C2H2F2 = C + H2 + F2 =>
C2H2F2 = 2 C + H2 + F2
N + S = NS =>
N + S = NS
Fe(CrO2)2 + Na2O2 = NaFeO2 + Na2CrO4 + Na2O =>
2 Fe(CrO2)2 + 7 Na2O2 = 2 NaFeO2 + 4 Na2CrO4 + 2 Na2O
Mg + NaOH = MgO + Na + H2 =>
2 Mg + 2 NaOH = 2 MgO + 2 Na + H2
Na2SO3 + Br2 + H2O = Na2SO4 + HBr =>
Na2SO3 + Br2 + H2O = Na2SO4 + 2 HBr
Cu + H3AsO4 = Cu3(AsO4)2 + H2 =>
3 Cu + 2 H3AsO4 = Cu3(AsO4)2 + 3 H2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Mg3(PO4)2 + CaBr2 = Ca3(PO4)2 + MgBr2 =>
Mg3(PO4)2 + 3 CaBr2 = Ca3(PO4)2 + 3 MgBr2
AgI + NaCl = AgCl + NaI =>
AgI + NaCl = AgCl + NaI
Na2CO3 + HCl = Na(Cl) + CO2 + H2O =>
Na2CO3 + 2 HCl = 2 Na(Cl) + CO2 + H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
H2(CO3) + Na(OH) = Na2CO3 + H2O =>
H2(CO3) + 2 Na(OH) = Na2CO3 + 2 H2O
Fe{5+} = Fe{6+} + Fe{3+} =>
3 Fe{5+} = 2 Fe{6+} + Fe{3+}
Al + Pb(NO3)2 = Al(NO3)3 + Pb =>
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb
Cu{2+} + KI + H2SO4 = CuI2 + K2SO4 + H{+} =>
Cu{2+} + 2 KI + H2SO4 = CuI2 + K2SO4 + 2 H{+}
N2 + H2O = NH3 + O2 =>
2 N2 + 6 H2O = 4 NH3 + 3 O2
H2O2 + SO3{-2} = SO4{-2} + H2O =>
H2O2 + SO3{-2} = SO4{-2} + H2O
N2 + H2O = NH3 + O2 =>
2 N2 + 6 H2O = 4 NH3 + 3 O2
CHN + O = CO2 + H2O + N2 =>
2 CHN + 5 O = 2 CO2 + H2O + N2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NH3 + O2 = NO2 + H2 =>
2 NH3 + 2 O2 = 2 NO2 + 3 H2
K2S + CH3COOH = CH3COOK + H2S =>
K2S + 2 CH3COOH = 2 CH3COOK + H2S
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Nb2O5 + Nb = NbO =>
Nb2O5 + 3 Nb = 5 NbO
Ba(NO3)2 + Mg = BaO + MgO + N =>
Ba(NO3)2 + 5 Mg = BaO + 5 MgO + 2 N
CaCl2 = Ca{-} + Cl2{+} =>
CaCl2 = Ca{-} + Cl2{+}
Cu(NO3)2 + HCN = Cu(CN)2 + HNO3 =>
Cu(NO3)2 + 2 HCN = Cu(CN)2 + 2 HNO3
CH4(a) + O2(a) = CO2(a) + H2O =>
CH4(a) + 2 O2(a) = CO2(a) + 2 H2O
VC2O4 = V2O3 + CO + CO2 =>
2 VC2O4 = V2O3 + 3 CO + CO2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Mg + Au2Cl6 = Au + MgCl2 =>
3 Mg + Au2Cl6 = 2 Au + 3 MgCl2
CO3 + H = H2O + CO2 = Na2CO3 + H2SO4 = Na2SO4 + H2CO3 =>
CO3 + 2 H = H2O + CO2
C10H10O2 + Br2 + H2O = C8H7BrO3 + HBr =>
4 C10H10O2 + 12 Br2 + 7 H2O = 5 C8H7BrO3 + 19 HBr
MgBr2 + O = MgO + Br2 =>
MgBr2 + O = MgO + Br2
HCOOC2H5 + Cu(OH)2 + NaOH = Cu2O + Na2CO3 + H2O =>
HCOOC2H5 + 14 Cu(OH)2 + 6 NaOH = 7 Cu2O + 3 Na2CO3 + 20 H2O
Ca + Cl = ClCa2 =>
2 Ca + Cl = ClCa2
Hg + HNO3 = Hg(NO3)2 + NO + H2O =>
3 Hg + 8 HNO3 = 3 Hg(NO3)2 + 2 NO + 4 H2O
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