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2 HNO3 + 3 H2S = 2 NO + 3 S + 4 H2O
Zn + HNO3 = Zn(NO3)2 + NO + H2O =>
3 Zn + 8 HNO3 = 3 Zn(NO3)2 + 2 NO + 4 H2O
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
Mg(H2PO4)2 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
Mg(H2PO4)2 + 2 Mg(OH)2 = Mg3(PO4)2 + 4 H2O
Fe2O3 + H2TeO4 = H2O + Fe2(TeO4)3 =>
Fe2O3 + 3 H2TeO4 = 3 H2O + Fe2(TeO4)3
C2H2 + H2O = CH3CHO =>
C2H2 + H2O = CH3CHO
Fe + HNO3 = Fe(NO3)3 + H2O + NO2 =>
Fe + 6 HNO3 = Fe(NO3)3 + 3 H2O + 3 NO2
KH2PO4 + KOH = K2HPO4 + H2O =>
KH2PO4 + KOH = K2HPO4 + H2O
Fe + H2So4 = Fe2(So4)3 + H2 =>
2 Fe + 3 H2So4 = Fe2(So4)3 + 3 H2
HIO4 + HI = I2 + H2O =>
HIO4 + 7 HI = 4 I2 + 4 H2O
H2SO4 + NaCl = HCl + Na2SO4 =>
H2SO4 + 2 NaCl = 2 HCl + Na2SO4
Na2SO4 + HCl = NaCl + H2SO4 =>
Na2SO4 + 2 HCl = 2 NaCl + H2SO4
SO2 + H2S = H2O + S =>
SO2 + 2 H2S = 2 H2O + 3 S
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
KIO3 + Na2S2O5 = I2 + Na2SO4 + K2SO4 + SO2 =>
2 KIO3 + 4 Na2S2O5 = I2 + 4 Na2SO4 + K2SO4 + 3 SO2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
CaCl2 + HNO3 = CaNO3 + Cl2H =>
CaCl2 + HNO3 = CaNO3 + Cl2H
NH4NO3 + NaOH = NH4 + H2O + NaNO3 =>
9 NH4NO3 + 10 NaOH = 8 NH4 + 7 H2O + 10 NaNO3
KOH + K2HPO4 = H2O + K3PO4 =>
KOH + K2HPO4 = H2O + K3PO4
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
ZnCl2 + H2O = HCl + Zn(OH)2 =>
ZnCl2 + 2 H2O = 2 HCl + Zn(OH)2
Fe(OH)3 + NaOH + Br2 = Na2FeO4 + NaBr + H2O =>
2 Fe(OH)3 + 10 NaOH + 3 Br2 = 2 Na2FeO4 + 6 NaBr + 8 H2O
CaCO3 + HCl = CO2 + H2O + CaCl2 =>
CaCO3 + 2 HCl = CO2 + H2O + CaCl2
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
C2H6 + O2 = H2O + CO2 =>
2 C2H6 + 7 O2 = 6 H2O + 4 CO2
Fe + O2 = FeO3 =>
2 Fe + 3 O2 = 2 FeO3
CrCl2 + H2SO4 = Cr2(SO4)3 + HCl + SO2 + H2O =>
2 CrCl2 + 4 H2SO4 = Cr2(SO4)3 + 4 HCl + SO2 + 2 H2O
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
CuFeS2 + H2SO4 = Fe2(SO4)3 + CuSO4 + SO2 + H2O =>
2 CuFeS2 + 18 H2SO4 = Fe2(SO4)3 + 2 CuSO4 + 17 SO2 + 18 H2O
Zn(OH)2 + H2SO4 = ZnSO4 + H2O =>
Zn(OH)2 + H2SO4 = ZnSO4 + 2 H2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
ZnSO4 + H2O = Zn(OH)2 + H2SO4 =>
ZnSO4 + 2 H2O = Zn(OH)2 + H2SO4
CH3CHO + O = CH3COOH =>
CH3CHO + O = CH3COOH
HClO3 = ClO2 + HClO4 + H2O =>
3 HClO3 = 2 ClO2 + HClO4 + H2O
ZnO + H2O = Zn(OH)2 =>
ZnO + H2O = Zn(OH)2
CH3CHO + O2 = CH3COOH =>
2 CH3CHO + O2 = 2 CH3COOH
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
As + O2 = AsO3 =>
2 As + 3 O2 = 2 AsO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NO2 + HBrO4 + H2O = HNO3 + Br2 =>
14 NO2 + 2 HBrO4 + 6 H2O = 14 HNO3 + Br2
K3PO4 + Zn + H2O = K2[Zn(OH)4] + K2HPO4 + H2 =>
2 K3PO4 + Zn + 4 H2O = K2[Zn(OH)4] + 2 K2HPO4 + H2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
CuFeS2 + O2 = Cu2S*FeS + FeO + SO2 =>
4 CuFeS2 + 5 O2 = 2 Cu2S*FeS + 2 FeO + 4 SO2
H2S + HBrO4 = S + HBr + H2O =>
4 H2S + HBrO4 = 4 S + HBr + 4 H2O
NO2 + H2O = NHO3 + NO =>
3 NO2 + H2O = 2 NHO3 + NO
HNO3 + H2S = NO + S + H2O =>
2 HNO3 + 3 H2S = 2 NO + 3 S + 4 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
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