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4 Ca + 9 HNO3 = 4 Ca(NO3)2 + NH3 + 3 H2O
I({-}) + O2 + H2O = I2 + OH({-}) =>
4 I({-}) + O2 + 2 H2O = 2 I2 + 4 OH({-})
Na2CO3 + Sn + S = Na2S + SnCO3 =>
Na2CO3 + Sn + S = Na2S + SnCO3
(NH4)2SO3 = H2O + NH3 + SO2 =>
(NH4)2SO3 = H2O + 2 NH3 + SO2
CH3CH2Br + KCl = CH3CH2Cl + KBr =>
CH3CH2Br + KCl = CH3CH2Cl + KBr
NaHCO3 + SO2(gas) = NaHSO3 + CO2 =>
NaHCO3 + SO2(gas) = NaHSO3 + CO2
NO + O2 = NO2 = =>
2 NO + O2 = 2 NO2
AlCl3 + HOH = HCl + Al(OH)Cl2 =>
AlCl3 + HOH = HCl + Al(OH)Cl2
Cr + KlO3 + KOH = K2CrO4 + Kl + H2O =>
Cr + KlO3 + 2 KOH = K2CrO4 + Kl + H2O
C6H4(OH)(COCH3) + C6H5COCl + C5H5N = C6H4(COCH3)(OCOC6H5) + C5H5NHCl =>
C6H4(OH)(COCH3) + C6H5COCl + C5H5N = C6H4(COCH3)(OCOC6H5) + C5H5NHCl
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
KOH + BaCl2 = Ba(OH)2 + KCl =>
2 KOH + BaCl2 = Ba(OH)2 + 2 KCl
K2SO4(aq) + FeCl3(aq) = KCl + Fe2(SO4)3 =>
3 K2SO4(aq) + 2 FeCl3(aq) = 6 KCl + Fe2(SO4)3
KOOCC6H4COOH + NaOH = KOOCC6H4COONa + H2O =>
KOOCC6H4COOH + NaOH = KOOCC6H4COONa + H2O
C9H10 + Br2 = C9H10Br2 =>
C9H10 + Br2 = C9H10Br2
Sn + Ag{+} = Sn{+} + Ag =>
Sn + Ag{+} = Sn{+} + Ag
Li + HCl = LiCl + H2* =>
2 Li + 2 HCl = 2 LiCl + H2*
Ba + Fe2(SO4)3 = Ba(SO4) + Fe =>
3 Ba + Fe2(SO4)3 = 3 Ba(SO4) + 2 Fe
NH4S + H2SO4 = H2S + NH4SO4 =>
NH4S + H2SO4 = H2S + NH4SO4
Na3AlO3 + HCl = Al(OH)3 + NaCl =>
Na3AlO3 + 3 HCl = Al(OH)3 + 3 NaCl
C3H + O2 = CO2 + H2O =>
4 C3H + 13 O2 = 12 CO2 + 2 H2O
MgBr2(aq) + NaOH(aq) = Mg(OH)2 + NaBr(aq) =>
MgBr2(aq) + 2 NaOH(aq) = Mg(OH)2 + 2 NaBr(aq)
Fe2O3 + P2O5 = Fe(PO3)3 =>
Fe2O3 + 3 P2O5 = 2 Fe(PO3)3
KI + NH3 = H3I3 + K3N =>
3 KI + NH3 = H3I3 + K3N
N2H4 + N2O3 = N2 + H2O =>
3 N2H4 + 2 N2O3 = 5 N2 + 6 H2O
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
TeO2 + O2 = TeO3 =>
2 TeO2 + O2 = 2 TeO3
C3H8O3 = CO + H2 =>
C3H8O3 = 3 CO + 4 H2
Cl2 + OH = ClO3 + H2O =>
Cl2 + 12 OH = 2 ClO3 + 6 H2O
Pb(NO3)4 + K2Cr2O7 = Pb(Cr2O7)2 + KNO3 =>
Pb(NO3)4 + 2 K2Cr2O7 = Pb(Cr2O7)2 + 4 KNO3
H2O + CH3COOH = H3O + CH3COO =>
H2O + CH3COOH = H3O + CH3COO
CH3CH2OH + KBr = CH3CH2Br + KOH =>
CH3CH2OH + KBr = CH3CH2Br + KOH
K2Cr2O7 + HCl + H2S = CrCl3 + H2O + S + KCl =>
K2Cr2O7 + 8 HCl + 3 H2S = 2 CrCl3 + 7 H2O + 3 S + 2 KCl
Bi2O3 + Br2 + KOH = KBiO3 + KBr + H2O =>
Bi2O3 + 2 Br2 + 6 KOH = 2 KBiO3 + 4 KBr + 3 H2O
PdNO3 + H2SO4 = PdSO4 + H2O + NO2 =>
PdNO3 + H2SO4 = PdSO4 + H2O + NO2
SIC + KOH + KNO3 = K2SIO3 + K2CO3 + KNO2 + H2O =>
SIC + 4 KOH + 4 KNO3 = K2SIO3 + K2CO3 + 4 KNO2 + 2 H2O
H2S + Na2O = H2O + Na2S =>
H2S + Na2O = H2O + Na2S
Ni + O3 + H2O = Ni3(OH)2 =>
9 Ni + O3 + 3 H2O = 3 Ni3(OH)2
AgNO3 + SnCl4 = AgCl4SnNO3 =>
AgNO3 + SnCl4 = AgCl4SnNO3
KNO2 + H2O2 = H2O + KNO3 =>
KNO2 + H2O2 = H2O + KNO3
HF + [Ca(OH)2] = [CaF2] + H2O =>
2 HF + [Ca(OH)2] = [CaF2] + 2 H2O
H2CO3 + V(OH)6 = V2(CO3)6 + H2O =>
6 H2CO3 + 2 V(OH)6 = V2(CO3)6 + 12 H2O
Ag(NO3) + NaOH = Ag2OH + Na(NO3)2 =>
2 Ag(NO3) + NaOH = Ag2OH + Na(NO3)2
BaI2(aq) + AgNO3(aq) = AgI(s) + Ba(NO3)2(aq) =>
BaI2(aq) + 2 AgNO3(aq) = 2 AgI(s) + Ba(NO3)2(aq)
CrO4{2-} + e + H2O = Cr(OH)3 + OH{-} =>
CrO4{2-} + 3e + 4 H2O = Cr(OH)3 + 5 OH{-}
Na2SO3 + HCl = NaCl(aq) + H2SO3(aq) =>
Na2SO3 + 2 HCl = 2 NaCl(aq) + H2SO3(aq)
C18H18 + O = CO + H2O =>
C18H18 + 27 O = 18 CO + 9 H2O
Co(OH)2 + NaClO + H2O = Co(OH)3 + NaCl =>
2 Co(OH)2 + NaClO + H2O = 2 Co(OH)3 + NaCl
H2 + Ca(CN)2 + NaAlF4 + Fe2(SO4)3 + MgSiO3 + KI + H3PO4 + PbCrO4 + BrCl + CF2Cl2 + SO2 = PbBr2 + CrCl3 + MgCO3 + KAl(OH)4 + Fe(SCN)3 + PI3 + Na2SiO3 + CaF2 + H2O =>
98 H2 + 15 Ca(CN)2 + 6 NaAlF4 + 5 Fe2(SO4)3 + 3 MgSiO3 + 6 KI + 2 H3PO4 + 6 PbCrO4 + 12 BrCl + 3 CF2Cl2 + 15 SO2 = 6 PbBr2 + 6 CrCl3 + 3 MgCO3 + 6 KAl(OH)4 + 10 Fe(SCN)3 + 2 PI3 + 3 Na2SiO3 + 15 CaF2 + 89 H2O
N2 + H2O = NH3 + NO =>
5 N2 + 6 H2O = 4 NH3 + 6 NO
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