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2 HNO2 + Na2S = H2S + 2 NaNO2
S8 + C = SC2 =>
S8 + 16 C = 8 SC2
Pt + FeCl2 = PtCl + Fe =>
2 Pt + FeCl2 = 2 PtCl + Fe
Na2CO3 + H3PO4 = NaHCO3 + Na3PO4 =>
3 Na2CO3 + H3PO4 = 3 NaHCO3 + Na3PO4
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
CrBr2(aq) + AgNO3(aq) = Cr(NO3)2(aq) + AgBr(s) =>
CrBr2(aq) + 2 AgNO3(aq) = Cr(NO3)2(aq) + 2 AgBr(s)
C5H10 + O2 = CO2 + H2O =>
2 C5H10 + 15 O2 = 10 CO2 + 10 H2O
C7H8(l) + O2(g) = CO2(g) + H20(l) =>
5 C7H8(l) + 35 O2(g) = 35 CO2(g) + 2 H20(l)
FeSO4(aq) + NaOH(aq) = NaSO4(aq) + FeOH(aq) =>
FeSO4(aq) + NaOH(aq) = NaSO4(aq) + FeOH(aq)
C11H22O11 = CO2 + C2H5OH =>
3 C11H22O11 = 11 CO2 + 11 C2H5OH
H3PO4CaO = CaHPO4H2O =>
H3PO4CaO = CaHPO4H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
P2H4 + O2 + H2O = H3PO2 =>
2 P2H4 + 3 O2 + 2 H2O = 4 H3PO2
H{+} + NO2{-} + I{-} = NO + I3{-} + H2O =>
4 H{+} + 2 NO2{-} + 3 I{-} = 2 NO + I3{-} + 2 H2O
Ni(NO3)2 + NaOH = NaNO3 + Ni(OH)2 =>
Ni(NO3)2 + 2 NaOH = 2 NaNO3 + Ni(OH)2
SO2 + CaO = Ca + SO3 =>
SO2 + CaO = Ca + SO3
Ni(NO3)2 + NaOH = NaNO3 + Ni(OH)2 =>
Ni(NO3)2 + 2 NaOH = 2 NaNO3 + Ni(OH)2
Ca + O2 + H2 = Ca(OH)2 =>
Ca + O2 + H2 = Ca(OH)2
HS + Ag = Ag2S + H2S =>
2 HS + 2 Ag = Ag2S + H2S
Pb(NO3)3 + H2O2 = Pb(OH)2 + NO2 + O2 =>
2 Pb(NO3)3 + 2 H2O2 = 2 Pb(OH)2 + 6 NO2 + 3 O2
KHSO4 + BaOH = KOH + BaHSO4 =>
KHSO4 + BaOH = KOH + BaHSO4
C2H5 + OH + Na = C2H5OHNa =>
C2H5 + OH + Na = C2H5OHNa
Ba + S + O2 = BaSO =>
2 Ba + 2 S + O2 = 2 BaSO
Ca(OH)2 + H2NO3 = CaOH2NO3 + H2O =>
Ca(OH)2 + H2NO3 = CaOH2NO3 + H2O
C11H(g) + O2(g) = CO2(g) + H2O(l) =>
4 C11H(g) + 45 O2(g) = 44 CO2(g) + 2 H2O(l)
HBr + Na = NaBr + H3 =>
3 HBr + 3 Na = 3 NaBr + H3
SO2 + H2O + I = I{-} + SO4{2-} + H{+} =>
SO2 + 2 H2O + 2 I = 2 I{-} + SO4{2-} + 4 H{+}
Ba(OH)2 + HCl = BaCl + (OH)2H =>
Ba(OH)2 + HCl = BaCl + (OH)2H
CoO + H2(O) = Co(OH)2 =>
CoO + H2(O) = Co(OH)2
K3[Al(C2O4)3]3H2O + KMnO4 + H2SO4 = Al + MnSO4 + K2SO4 + CO2 + H2O =>
5 K3[Al(C2O4)3]3H2O + 3 KMnO4 + 12 H2SO4 = 15 Al + 3 MnSO4 + 9 K2SO4 + 90 CO2 + 17 H2O
NH4Br + AgNO3 = NH4NO3 + AgBr =>
NH4Br + AgNO3 = NH4NO3 + AgBr
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
MnO4{-} + C2O4{2-} + H{+} = Mn{2+} + CO2 + H2O =>
2 MnO4{-} + 5 C2O4{2-} + 16 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
H2SO4 + NaHCO3 = CO2 + Na2SO4 + H2O =>
H2SO4 + 2 NaHCO3 = 2 CO2 + Na2SO4 + 2 H2O
PbO + Na2S = Pb + Na2SO2 =>
2 PbO + Na2S = 2 Pb + Na2SO2
AgNO3 + COCl3 = CO(NO3)3 + AgCl =>
3 AgNO3 + COCl3 = CO(NO3)3 + 3 AgCl
Fe + H2SO4 + HNO3 = Fe2(SO4)3 + H2O + NO =>
2 Fe + 3 H2SO4 + 2 HNO3 = Fe2(SO4)3 + 4 H2O + 2 NO
H2O + MgBr2 = HBr + MgO =>
H2O + MgBr2 = 2 HBr + MgO
AlI3 + H2O + NaCO3 = CO2 + NaOH + Al(OH)3 + I2 =>
2 AlI3 + 6 H2O + 6 NaCO3 = 6 CO2 + 6 NaOH + 2 Al(OH)3 + 3 I2
KMnO4 + H2SO3 = H2SO4MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 H2SO3 = 2 H2SO4MnSO4 + K2SO4 + 3 H2O
HNO3 + NaSO4 = Na(NO3)2 + H2SO4 =>
2 HNO3 + NaSO4 = Na(NO3)2 + H2SO4
NaOH + Na2CO3 = Na3CO4H =>
NaOH + Na2CO3 = Na3CO4H
(CH3)2C6H3CHO + KMnO4 + H2SO4 = (HCOO)2C6H3COOH + K2SO4 + MnSO4 + H2O =>
5(CH3)2C6H3CHO + 14 KMnO4 + 21 H2SO4 = 5(HCOO)2C6H3COOH + 7 K2SO4 + 14 MnSO4 + 31 H2O
Cl2 + C6H6 = C6H5Cl + HCl =>
Cl2 + C6H6 = C6H5Cl + HCl
Mg(BrO3)2 + H2 = MgBr2 + H2O =>
Mg(BrO3)2 + 6 H2 = MgBr2 + 6 H2O
O2 + C2H4O2 = H2O + CO2 =>
2 O2 + C2H4O2 = 2 H2O + 2 CO2
FeCl2 + H2S = FeCl2S + H2 =>
FeCl2 + H2S = FeCl2S + H2
CH3CH2CH2OH + Cl2 = CH3CH2CH2OCl + H2 =>
2 CH3CH2CH2OH + Cl2 = 2 CH3CH2CH2OCl + H2
EDTA + NaOH = Na4EDTA + OH =>
EDTA + 4 NaOH = Na4EDTA + 4 OH
K + HBr = KBr + H2 =>
2 K + 2 HBr = 2 KBr + H2
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