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6 CuS + NO3{-} + 4 H{+} = 3 Cu2{+} + 6 S + NO + 2 H2O
FeSO4 + NaOH + H2O2 + HCl = Fe(OH)3 + NaCl + H2SO4 =>
2 FeSO4 + 4 NaOH + H2O2 + 4 HCl = 2 Fe(OH)3 + 4 NaCl + 2 H2SO4
C2H5COOH + HBr = C2H5COBr + H2O =>
C2H5COOH + HBr = C2H5COBr + H2O
Me + HNO3 = Me(NO3)2 + NH4NO3 + H2O =>
4 Me + 10 HNO3 = 4 Me(NO3)2 + NH4NO3 + 3 H2O
Na + FeBr3 = NaBr3 + Fe =>
Na + FeBr3 = NaBr3 + Fe
Cu2O + Ag = Ag2O + Cu =>
Cu2O + 2 Ag = Ag2O + 2 Cu
CH3COOLi + H2O = CH3COOH + Li2O =>
2 CH3COOLi + H2O = 2 CH3COOH + Li2O
Zn + Fe3Po4 = ZnPo4 + Fe =>
Zn + Fe3Po4 = ZnPo4 + 3 Fe
Ca(OH)2 + HCl = CaCl2 + H2O() =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O()
H3BO3AlOH = AlBO3H3OH =>
H3BO3AlOH = AlBO3H3OH
Ca(OH)2 + Mg(HCO3)2 = Mg(OH)2 + Ca(HCO3)2 =>
Ca(OH)2 + Mg(HCO3)2 = Mg(OH)2 + Ca(HCO3)2
Cr2O3 + Li2SO4 = Cr2(SO4)3 + Li2O =>
Cr2O3 + 3 Li2SO4 = Cr2(SO4)3 + 3 Li2O
BaO2 + O2 = BaO4 =>
BaO2 + O2 = BaO4
C6H2O6 + O2 = CO2 + H2O =>
2 C6H2O6 + 7 O2 = 12 CO2 + 2 H2O
C2H6O + CH4N2O + H3PO4 = C6H17N2O5P + H2O =>
5 C2H6O + 2 CH4N2O + 2 H3PO4 = 2 C6H17N2O5P + 5 H2O
B4O5(OH)4{2-} + HCl + H2O = H3BO3 + Cl{-} =>
B4O5(OH)4{2-} + 2 HCl + 3 H2O = 4 H3BO3 + 2 Cl{-}
Cu + Zn(NO3)2 = Cu(NO3)2 + Zn =>
Cu + Zn(NO3)2 = Cu(NO3)2 + Zn
C7H7OH + KMnO4 + H2SO4 = C7H7O + MnSO4 + K2SO4 + H2O =>
10 C7H7OH + 2 KMnO4 + 3 H2SO4 = 10 C7H7O + 2 MnSO4 + K2SO4 + 8 H2O
P4 + O2 + H2O = H3PO4(classification) =>
P4 + 5 O2 + 6 H2O = 4 H3PO4(classification)
Na(s) + H2O(l) = NaOH(as) + H2(g) =>
2 Na(s) + 2 H2O(l) = 2 NaOH(as) + H2(g)
Na2O + H2SO3 = NaHSO3 + H2O =>
Na2O + 2 H2SO3 = 2 NaHSO3 + H2O
NaAl(OH)2CO3(s) + HCl(aq) = NaCl + AlCl3 + H2O + CO2 =>
NaAl(OH)2CO3(s) + 4 HCl(aq) = NaCl + AlCl3 + 3 H2O + CO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
FeO + HNO3 = NO + H2O + Fe(NO3)3 =>
3 FeO + 10 HNO3 = NO + 5 H2O + 3 Fe(NO3)3
MnO4{-} + ClO2{-} + H{+} = MnO2 + ClO4{-} + OH{-} =>
4 MnO4{-} + 3 ClO2{-} + 2 H{+} = 4 MnO2 + 3 ClO4{-} + 2 OH{-}
KBrO3 = KBr + O2 =>
2 KBrO3 = 2 KBr + 3 O2
SiO2(s) + C(s) = CO(g) + Si(s) =>
SiO2(s) + 2 C(s) = 2 CO(g) + Si(s)
Fe + S8 = FeS =>
8 Fe + S8 = 8 FeS
CH4 + S8 = CS2 + H2S(g) =>
2 CH4 + S8 = 2 CS2 + 4 H2S(g)
NaHC8H4O4 + NaOH = H2O + Na2C8H4O4 =>
NaHC8H4O4 + NaOH = H2O + Na2C8H4O4
Au(HCO3)3 = Au2O3 + CO2 + H2O =>
2 Au(HCO3)3 = Au2O3 + 6 CO2 + 3 H2O
Ca(HCO3)2(s) = CaCO3H2O(g)CO2(g) =>
Ca(HCO3)2(s) = CaCO3H2O(g)CO2(g)
HClO2 + Cr{3+} + H2O = HClO + Cr2O7{2-} + H{+} =>
3 HClO2 + 2 Cr{3+} + 4 H2O = 3 HClO + Cr2O7{2-} + 8 H{+}
K2S + CaCl2 = CaS + K2Cl2 =>
K2S + CaCl2 = CaS + K2Cl2
Pb(NO3)2Na2S = PbSNa2(NO3)2 =>
Pb(NO3)2Na2S = PbSNa2(NO3)2
MgCl + Na(PO4)3 = NaCl + Mg(PO4)3 =>
MgCl + Na(PO4)3 = NaCl + Mg(PO4)3
HCl + NaOH(aq) = NaCl + H2O =>
HCl + NaOH(aq) = NaCl + H2O
NBr3 + O2 = N2O3 + Br2 =>
4 NBr3 + 3 O2 = 2 N2O3 + 6 Br2
NiCl2 = Cl2 + Ni =>
NiCl2 = Cl2 + Ni
K + Ni(CN)2 = K(CN)2 + Ni =>
K + Ni(CN)2 = K(CN)2 + Ni
C7H8O + NaOH = C7H7O + H2O + Na =>
C7H8O + NaOH = C7H7O + H2O + Na
Fe + KIO4 = Fe2O3 + KI =>
8 Fe + 3 KIO4 = 4 Fe2O3 + 3 KI
Na2Co3 + H2O = NaHCo3 + NaOH =>
Na2Co3 + H2O = NaHCo3 + NaOH
MgO + H{2+}O = Mg(OH){2+} =>
MgO + H{2+}O = Mg(OH){2+}
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
NaI + KMnO4 + HNO3 = I2 + Mn(NO3)3 + NaNO3 + KNO3 + H2O =>
4 NaI + KMnO4 + 8 HNO3 = 2 I2 + Mn(NO3)3 + 4 NaNO3 + KNO3 + 4 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
K4Fe(CN)6 + Co(NO3)2 = Co2[Fe(CN)6] + KNO3 =>
K4Fe(CN)6 + 2 Co(NO3)2 = Co2[Fe(CN)6] + 4 KNO3
K(s) + I(l) = KI(l) =>
K(s) + I(l) = KI(l)
P + Br2 = (PBr3) =>
2 P + 3 Br2 = 2(PBr3)
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