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2 NH3 + (CH3CO)2O = CH3CONH2 + CH3COONH4
NaNO2 + Cl2 + NaOH = NaCl + NaNO3 + H2O =>
NaNO2 + Cl2 + 2 NaOH = 2 NaCl + NaNO3 + H2O
NaOH + I2 = NaIO3 + NaI + H2O =>
6 NaOH + 3 I2 = NaIO3 + 5 NaI + 3 H2O
Al(NO3)3(aq) + KOH(aq) = Al(OH)3 + KNO3 =>
Al(NO3)3(aq) + 3 KOH(aq) = Al(OH)3 + 3 KNO3
K2S + H2O = S2 + H2 + KOH =>
2 K2S + 4 H2O = S2 + 2 H2 + 4 KOH
Ca(AlO2)2(s) + HCl(aq) = AlCl3(aq) + CaCl2(aq) + H2O =>
Ca(AlO2)2(s) + 8 HCl(aq) = 2 AlCl3(aq) + CaCl2(aq) + 4 H2O
Hg(OH)2 = HgO + H2O =>
Hg(OH)2 = HgO + H2O
Ca(HCO3)2 = CO2 + CaCO3 + H2O =>
Ca(HCO3)2 = CO2 + CaCO3 + H2O
CuCl2 + FeCl3 = FeCl2 + CuCl3 =>
CuCl2 + FeCl3 = FeCl2 + CuCl3
Mg2 + H = MgH =>
Mg2 + 2 H = 2 MgH
HBr + NH4OH = NH4 + Br + H2O =>
HBr + NH4OH = NH4 + Br + H2O
K2FeO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + H2O + O2 =>
4 K2FeO4 + 10 H2SO4 = 2 Fe2(SO4)3 + 4 K2SO4 + 10 H2O + 3 O2
HNO3 + NiCl3 = Ni(NO3)3 + HCl =>
3 HNO3 + NiCl3 = Ni(NO3)3 + 3 HCl
KCl + MnO = K2O + MnCl2 =>
2 KCl + MnO = K2O + MnCl2
SO3BaO = SBaO4 =>
SO3BaO = SBaO4
K2CO3 + MgSO4*7H2O = MgCO3*Mg(OH)2 + CO2 + K2SO4 + H2O =>
2 K2CO3 + 2 MgSO4*7H2O = MgCO3*Mg(OH)2 + CO2 + 2 K2SO4 + 13 H2O
Cu2S + Br2 = CuBr2 + S =>
Cu2S + 2 Br2 = 2 CuBr2 + S
As2O3 + H2O = H3AsO3 =>
As2O3 + 3 H2O = 2 H3AsO3
CoCl2 + AgNO2 = Co(NO2)2 + AgCl =>
CoCl2 + 2 AgNO2 = Co(NO2)2 + 2 AgCl
NH4Cl + CaBr2 = NH4Br + CaCl2 =>
2 NH4Cl + CaBr2 = 2 NH4Br + CaCl2
Li4C(s) + Ca(s) = Li(s) + Ca2C(s) =>
Li4C(s) + 2 Ca(s) = 4 Li(s) + Ca2C(s)
HCl + FeCl2 + H2O2 = FeCl3 + H2O(l) =>
2 HCl + 2 FeCl2 + H2O2 = 2 FeCl3 + 2 H2O(l)
Fe + FeBr3 = FeBr2 =>
Fe + 2 FeBr3 = 3 FeBr2
Cu(no)2 + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu(no)2 + 16 HNO3 = 6 Cu(NO3)2 + 4 NO + 8 H2O
CHCl3 + CaO = CaCl2 + CCl2 + H2O =>
2 CHCl3 + CaO = CaCl2 + 2 CCl2 + H2O
P2 + O2 = P2O7 =>
2 P2 + 7 O2 = 2 P2O7
H2O + PBr3 = HBr + H3PO3 =>
3 H2O + PBr3 = 3 HBr + H3PO3
MgCO3 + HNO3 = Mg(NO3)2 + CO2 + H2O =>
MgCO3 + 2 HNO3 = Mg(NO3)2 + CO2 + H2O
Ca + OH + CO = CaCO3 + H =>
Ca + 2 OH + CO = CaCO3 + 2 H
O4 = O6 =>
3 O4 = 2 O6
I + NH4F = F2 + NH4I =>
2 I + 2 NH4F = F2 + 2 NH4I
H3C2H3O + KMnO7 + H2SO4 = CH3COH + MnSO4 + K2SO4 + H2O =>
11 H3C2H3O + 2 KMnO7 + 3 H2SO4 = 11 CH3COH + 2 MnSO4 + K2SO4 + 14 H2O
C18H30O2 + CH3OH = C3H8O3 + C19H32O2 =>
34 C18H30O2 + 11 CH3OH = 5 C3H8O3 + 32 C19H32O2
S2 + HCl = S2Cl + H =>
S2 + HCl = S2Cl + H
Pb(NO3)2(ac) + Kl(ac) = PbKl(ac) + N2O6(ac) =>
Pb(NO3)2(ac) + Kl(ac) = PbKl(ac) + N2O6(ac)
KClO + KCl + H2O = KOH + Cl2 =>
KClO + KCl + H2O = 2 KOH + Cl2
NaCN + H2SO4 + Cl2 = ClCN + Na2SO4 + HCl =>
2 NaCN + H2SO4 + 2 Cl2 = 2 ClCN + Na2SO4 + 2 HCl
KMnO4 + HBr = MnBr2 + KBr2 + H2O + Br2 =>
KMnO4 + 8 HBr = MnBr2 + KBr2 + 4 H2O + 2 Br2
H2SeO4 + Cu(OH)2 = CuSeO4 + H2O =>
H2SeO4 + Cu(OH)2 = CuSeO4 + 2 H2O
CuO + N2 = CuN2 + O2 =>
2 CuO + 2 N2 = 2 CuN2 + O2
HgO(l) = Hg(l)O =>
HgO(l) = Hg(l)O
H2SO4 + HCl = Cl2 + S + H2O =>
H2SO4 + 6 HCl = 3 Cl2 + S + 4 H2O
[Cr(CO(NH2)2)6]4[Cr(CN)6]3 + KMnO4 + H2SO4 = K2Cr2O7 + KNO3 + CO2 + K2SO4 + MnSO4 + H2O =>
10[Cr(CO(NH2)2)6]4[Cr(CN)6]3 + 1176 KMnO4 + 1399 H2SO4 = 35 K2Cr2O7 + 660 KNO3 + 420 CO2 + 223 K2SO4 + 1176 MnSO4 + 1879 H2O
SbCl5 + H2O = HCl + H[Sb(OH)6] =>
SbCl5 + 6 H2O = 5 HCl + H[Sb(OH)6]
Na2Cr2O7 + FeCl2 + HCl = CrCl3 + NaCl + H2O + FeCl3 =>
Na2Cr2O7 + 6 FeCl2 + 14 HCl = 2 CrCl3 + 2 NaCl + 7 H2O + 6 FeCl3
H2SO4(aq) + KOH(aq) = H2O(aq) + K2SO4(aq) =>
H2SO4(aq) + 2 KOH(aq) = 2 H2O(aq) + K2SO4(aq)
Co2 + SCN = Co(SCN)4 =>
Co2 + 8 SCN = 2 Co(SCN)4
Hg2{+} + Cu = Hg + Cu2{+} =>
Hg2{+} + 2 Cu = 2 Hg + Cu2{+}
Zn + H3(PO4) = Zn3(PO4) + H2 =>
6 Zn + 2 H3(PO4) = 2 Zn3(PO4) + 3 H2
Fe3SO4 + NaOH = Fe3(OH)2 + Na2SO4 =>
Fe3SO4 + 2 NaOH = Fe3(OH)2 + Na2SO4
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