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2 NaS + 6 H2SO4 = Na2SO4 + 6 H2O + 7 SO2
NaOH + H2(SO)3 = Na2(SO)3 + H2O =>
2 NaOH + H2(SO)3 = Na2(SO)3 + 2 H2O
H2SO4Zn(NO3)2 = H2(NO3)2ZnSO4 =>
H2SO4Zn(NO3)2 = H2(NO3)2ZnSO4
HgS + HNO3 + HCl = HgCl2 + H2O + NO + S =>
3 HgS + 2 HNO3 + 6 HCl = 3 HgCl2 + 4 H2O + 2 NO + 3 S
H2SO4CaS = CaSO4H2S =>
H2SO4CaS = CaSO4H2S
AlCl3 + Na2O = Al2O3 + NaCl =>
2 AlCl3 + 3 Na2O = Al2O3 + 6 NaCl
NH3 + CuO(t) = Cu + NO2 + H2O =>
2 NH3 + 7 CuO(t) = 7 Cu + 2 NO2 + 3 H2O
Fe(OH)2 + NaOH + H2O = Na2[Fe(OH)6] + H2 =>
Fe(OH)2 + 2 NaOH + 2 H2O = Na2[Fe(OH)6] + H2
NiCl3(aq) + Na2CO3(aq) = Ni2(CO3)3(s) + NaCl(aq) =>
2 NiCl3(aq) + 3 Na2CO3(aq) = Ni2(CO3)3(s) + 6 NaCl(aq)
NH3 + CuO = Cu + H2O + N2 =>
2 NH3 + 3 CuO = 3 Cu + 3 H2O + N2
(C4)(H10) + O2 = (CO2) + (H2O) =>
2(C4)(H10) + 13 O2 = 8(CO2) + 10(H2O)
Sn + HF = SnF6 + H2 =>
Sn + 6 HF = SnF6 + 3 H2
C3H8 + HNO3 = CO2 + H2O + N2 =>
C3H8 + 4 HNO3 = 3 CO2 + 6 H2O + 2 N2
Na2CO3 + CaSO4(H2O)2 = CaCO3 + Na2SO4 + H2O =>
Na2CO3 + CaSO4(H2O)2 = CaCO3 + Na2SO4 + 2 H2O
Fe2O3 + KI + H2SO4 = FeI2 + I2 + K2SO4 + H2O =>
Fe2O3 + 6 KI + 3 H2SO4 = 2 FeI2 + I2 + 3 K2SO4 + 3 H2O
Ta + B = TaB =>
Ta + B = TaB
CH4 + NH = H + C2N2 =>
2 CH4 + 2 NH = 10 H + C2N2
Ni + HBr = NiBr2 + H =>
Ni + 2 HBr = NiBr2 + 2 H
Fe + HNO3 = Fe(NO3)3 + NO2 + H2O =>
Fe + 6 HNO3 = Fe(NO3)3 + 3 NO2 + 3 H2O
BaI2 = Ba + I =>
BaI2 = Ba + 2 I
Cu2Si + HMnO4 = Cu(MnO4)2 + SiH4 =>
Cu2Si + 4 HMnO4 = 2 Cu(MnO4)2 + SiH4
Eu(OH)2 + CO2 + H2O = CO + Eu(OH)3 =>
2 Eu(OH)2 + CO2 + H2O = CO + 2 Eu(OH)3
NH4NO3 + CO2 = NH4CO3 + NO2 =>
NH4NO3 + CO2 = NH4CO3 + NO2
C2H2 + [Ag(NH3)]OH = C2HAg + NH3 + H2O =>
C2H2 + [Ag(NH3)]OH = C2HAg + NH3 + H2O
CH4N2O + C6H8O7 + C2H6O2 = C10H16N2O8 + H2O =>
12 CH4N2O + 11 C6H8O7 + 21 C2H6O2 = 12 C10H16N2O8 + 35 H2O
Ba(CH3COO)2 + Na2S = Na(CH3COO) + BaS =>
Ba(CH3COO)2 + Na2S = 2 Na(CH3COO) + BaS
Ca + Cu2SO4 = CaSO4 + Cu =>
Ca + Cu2SO4 = CaSO4 + 2 Cu
Os3 + O2 = Os2O3 =>
4 Os3 + 9 O2 = 6 Os2O3
Ca(OH)2 + Na2CO3 = CaCO3 + NaOH =>
Ca(OH)2 + Na2CO3 = CaCO3 + 2 NaOH
CH3COOH + CuCO3 = Cu(CH3COO) + H2O + CO2 =>
9 CH3COOH + 8 CuCO3 = 8 Cu(CH3COO) + 6 H2O + 10 CO2
CHS + O2 = CO2 + H2O + S =>
4 CHS + 5 O2 = 4 CO2 + 2 H2O + 4 S
Na2CO3 + KOH = NaOH + K2CO3 =>
Na2CO3 + 2 KOH = 2 NaOH + K2CO3
Sr + Cr + O4 = SrCrO4 =>
Sr + Cr + O4 = SrCrO4
CH3OH + Ag2O = CHOH + Ag + H2O =>
CH3OH + Ag2O = CHOH + 2 Ag + H2O
Cu(s) + O2 = Cu2O2(s) =>
2 Cu(s) + O2 = Cu2O2(s)
K + CH3OH = H2 + CH3OK =>
2 K + 2 CH3OH = H2 + 2 CH3OK
C2H10OH(l) + O2(g) = CO2(g) + H2O(g) =>
4 C2H10OH(l) + 17 O2(g) = 8 CO2(g) + 22 H2O(g)
H2O + CaO = Ca(OH)2 =>
H2O + CaO = Ca(OH)2
Fe + AlF3 = Al + FeF2 =>
3 Fe + 2 AlF3 = 2 Al + 3 FeF2
AlCl3 + Na2O = Al2O3 + NaCl =>
2 AlCl3 + 3 Na2O = Al2O3 + 6 NaCl
Bi(NO3)3 + KI = KNO3 + BiI3 =>
Bi(NO3)3 + 3 KI = 3 KNO3 + BiI3
SO42 + Ba2 = BaSO42 =>
2 SO42 + Ba2 = 2 BaSO42
CH3CCH3 + Ag2O = CH3COOCH3 + Ag =>
CH3CCH3 + 2 Ag2O = CH3COOCH3 + 4 Ag
H2SO3Mg = MgSO3H2 =>
H2SO3Mg = MgSO3H2
AlO2 + H3O = Al + H2O =>
AlO2 + 4 H3O = Al + 6 H2O
HCl + NaBrO = NaBrOH + Cl =>
HCl + NaBrO = NaBrOH + Cl
C6H3(OH)3 + O2 = CO2 + H2O =>
C6H3(OH)3 + 6 O2 = 6 CO2 + 3 H2O
N2H3CH3(l) + N2O4(l) = H2O(g) + N2(g) + CO(g) =>
N2H3CH3(l) + N2O4(l) = 3 H2O(g) + 2 N2(g) + CO(g)
FeC2O4*2H2O + H2O2 + H2C2O4*2H2O + K2C2O4*H2O = K3[Fe(C2O4)3] + H2O =>
2 FeC2O4*2H2O + H2O2 + H2C2O4*2H2O + 3 K2C2O4*H2O = 2 K3[Fe(C2O4)3] + 11 H2O
NH3 + O2 = NOO + H2O =>
4 NH3 + 7 O2 = 4 NOO + 6 H2O
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