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2 NaNO3 = 2 NaNO2 + O2
Cu2S + HNO3 = Cu(NO3)2 + NO2 + H2O + SO2 =>
Cu2S + 12 HNO3 = 2 Cu(NO3)2 + 8 NO2 + 6 H2O + SO2
K + CrF2 = KF2 + Cr =>
K + CrF2 = KF2 + Cr
AgNO3(aq) + K2CO3 = AgCO3(aq) + K2NO3(aq) =>
AgNO3(aq) + K2CO3 = AgCO3(aq) + K2NO3(aq)
Al + Cl = AlCl3 =>
Al + 3 Cl = AlCl3
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
MgNH4PO4 + CH3COOH = Mg(CH3COO)2 + NH4CH3COO + H3PO4 =>
MgNH4PO4 + 3 CH3COOH = Mg(CH3COO)2 + NH4CH3COO + H3PO4
Cu + HXO3 = Cu(XO3)2 + XO + H2O =>
3 Cu + 8 HXO3 = 3 Cu(XO3)2 + 2 XO + 4 H2O
H5IO6 = H2O + I2O5 + O2 =>
2 H5IO6 = 5 H2O + I2O5 + O2
NH4NO3 + C = N2 + CO2 + H2O =>
2 NH4NO3 + C = 2 N2 + CO2 + 4 H2O
PCl5 = Cl2 + PCl3 =>
PCl5 = Cl2 + PCl3
Fe(OH)2 + HCl = FeCl2 + H2O =>
Fe(OH)2 + 2 HCl = FeCl2 + 2 H2O
H3(PO4) + NaOH = Na3PO4 + H2O =>
H3(PO4) + 3 NaOH = Na3PO4 + 3 H2O
O2(g) = O3(g) =>
3 O2(g) = 2 O3(g)
H3PO4(aq) + Na2CO3(aq) = H2O(l) + CO2(g) + Na3PO4(aq) =>
2 H3PO4(aq) + 3 Na2CO3(aq) = 3 H2O(l) + 3 CO2(g) + 2 Na3PO4(aq)
K2SO4 + Ba(OAc)2 = Ba(SO4) + K(OAc) =>
K2SO4 + Ba(OAc)2 = Ba(SO4) + 2 K(OAc)
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
SO3 = O2 + SO2 =>
2 SO3 = O2 + 2 SO2
K2CO3 + H2SO4 = K2SO4 + H2CO3 =>
K2CO3 + H2SO4 = K2SO4 + H2CO3
MnCl2 + Na2S = MnS + Na2Cl2 =>
MnCl2 + Na2S = MnS + Na2Cl2
Al + Cl = AlCl3 =>
Al + 3 Cl = AlCl3
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
Ba + BaO = Ba2O =>
Ba + BaO = Ba2O
NaOH + FeCe3 = Fe(OH)3 + NaCe =>
3 NaOH + FeCe3 = Fe(OH)3 + 3 NaCe
CaCl2 + NaNO3 = Ca(NO3)2 + NaCl =>
CaCl2 + 2 NaNO3 = Ca(NO3)2 + 2 NaCl
Ca(NO3)2*NH4NO3*10H2O + H2SO4 = CaSO4 + (NH4)2SO4 + HNO3 + H2O =>
2 Ca(NO3)2*NH4NO3*10H2O + 3 H2SO4 = 2 CaSO4 + (NH4)2SO4 + 6 HNO3 + 20 H2O
Sb(OH)3 = H2O + Sb2O3 =>
2 Sb(OH)3 = 3 H2O + Sb2O3
SB + HNO3 = HSBO3 + NO2 + H2O =>
SB + 5 HNO3 = HSBO3 + 5 NO2 + 2 H2O
FeCl3 + Fe(NO3)3 = Fe2Cl3 + NO3 =>
FeCl3 + Fe(NO3)3 = Fe2Cl3 + 3 NO3
CH3CH2OH + K2Cr2O7 = KOH + KCH3CH2Cr2O7 =>
CH3CH2OH + K2Cr2O7 = KOH + KCH3CH2Cr2O7
Sr(OH)2 + HCl = SrCl2 + H2O =>
Sr(OH)2 + 2 HCl = SrCl2 + 2 H2O
Mg + Br = MgBr2 =>
Mg + 2 Br = MgBr2
CO + H2O = H2CO2 = HCO =>
CO + H2O = H2CO2
Cl2 + CH4 = HCl + CH2Cl2 =>
2 Cl2 + CH4 = 2 HCl + CH2Cl2
Cu + CH3COOH = Cu(CH3COO)3 + H2 =>
2 Cu + 6 CH3COOH = 2 Cu(CH3COO)3 + 3 H2
Cu2O + CuS = Cu + SO2 =>
2 Cu2O + CuS = 5 Cu + SO2
C4H10O + O2 = CO2 + H2O =>
C4H10O + 6 O2 = 4 CO2 + 5 H2O
PB(OH)2 + H2SO4 = PBSO4 + H2O =>
PB(OH)2 + H2SO4 = PBSO4 + 2 H2O
H4P2O7 + Zn(OH)2 = Zn4(P2O7)2 + H2O =>
2 H4P2O7 + 4 Zn(OH)2 = Zn4(P2O7)2 + 8 H2O
[Ag(NH3)2]Cl(aq) = Ag + (NH3)2 + Cl =>
[Ag(NH3)2]Cl(aq) = Ag + (NH3)2 + Cl
Zn + HNO3 = ZnO + NO2 + H2O =>
Zn + 2 HNO3 = ZnO + 2 NO2 + H2O
NH4HCO3 = CO2 + H2O + NH3 =>
NH4HCO3 = CO2 + H2O + NH3
[Zn(OH)4]{2-} + [NH4]{+} + [BF4]{-} = [Zn(NH3)4][BF4]2 + H2O =>
[Zn(OH)4]{2-} + 4[NH4]{+} + 2[BF4]{-} = [Zn(NH3)4][BF4]2 + 4 H2O
C2H5NO2 + HCl + Fe = C2H5NH2 + FeCl2 + H2O =>
C2H5NO2 + 6 HCl + 3 Fe = C2H5NH2 + 3 FeCl2 + 2 H2O
ClO2 + H2O = Cl1{-} + ClO4 + H1{+} =>
9 ClO2 + 2 H2O = 4 Cl1{-} + 5 ClO4 + 4 H1{+}
KI + KNO3 + CH3COOH = I2 + CH3COOK + NO + H2O =>
6 KI + 2 KNO3 + 8 CH3COOH = 3 I2 + 8 CH3COOK + 2 NO + 4 H2O
(Al(OH)3) + (H2SO4) = Al2(SO4)3 + (H2O) =>
2(Al(OH)3) + 3(H2SO4) = Al2(SO4)3 + 6(H2O)
Mg(s) + Fe{3+} = Mg{2+} + Fe{2+} =>
Mg(s) + 2 Fe{3+} = Mg{2+} + 2 Fe{2+}
CaCl2 + NaH2PO4 + NaOH = Ca3(PO4)2 + H2O + NaCl =>
3 CaCl2 + 2 NaH2PO4 + 4 NaOH = Ca3(PO4)2 + 4 H2O + 6 NaCl
MgCO3(heat) = MgC + O2 =>
2 MgCO3(heat) = 2 MgC + 3 O2
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