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N2O + 2 HCl = N2Cl2 + H2O
NiCl2*6H2O + SOCl2 = NiCl2 + SO2 + HCl =>
NiCl2*6H2O + 6 SOCl2 = NiCl2 + 6 SO2 + 12 HCl
I2 + HNO4 = HIO3 + NO2 + H2O =>
3 I2 + 10 HNO4 = 6 HIO3 + 10 NO2 + 2 H2O
CH3CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2CH2COOH + H2O =>
6 CH3CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3CH2CH2COOH + 14 H2O
KNO3(aq) = KNO2(aq) + O2(g) =>
2 KNO3(aq) = 2 KNO2(aq) + O2(g)
Fe + Cu3(PO4)2 = FePO4 + Cu =>
2 Fe + Cu3(PO4)2 = 2 FePO4 + 3 Cu
Fe + Br = FeBr3 =>
Fe + 3 Br = FeBr3
ZnC2 + H2O = Zn(OH)2 + C2H2 =>
ZnC2 + 2 H2O = Zn(OH)2 + C2H2
KI + FeCl3 + CHCl3 = KCl + FeI2 + I2CHCl3 =>
6 KI + 2 FeCl3 + CHCl3 = 6 KCl + 2 FeI2 + I2CHCl3
C8H16O4 = C + H + O =>
C8H16O4 = 8 C + 16 H + 4 O
Cr(s) + AgNO3(aq) = Cr(NO3)2(aq) + Ag(s) =>
Cr(s) + 2 AgNO3(aq) = Cr(NO3)2(aq) + 2 Ag(s)
HCl + NaCN = HCN + NaCl =>
HCl + NaCN = HCN + NaCl
Zn + AlF3 = ZnF2 + Al =>
3 Zn + 2 AlF3 = 3 ZnF2 + 2 Al
NaC2H3O2(s) + HNO3(aq) = NaNO3 + C2H4O2 =>
NaC2H3O2(s) + HNO3(aq) = NaNO3 + C2H4O2
KCl3 + HCl = KCl + HCl3 =>
KCl3 + HCl = KCl + HCl3
C6H5OH + O2 = CO2 + H2O = =>
C6H5OH + 7 O2 = 6 CO2 + 3 H2O
As2S + HNO3 = H3AsO4 + NO2 + H2SO4 + H2O =>
As2S + 16 HNO3 = 2 H3AsO4 + 16 NO2 + H2SO4 + 4 H2O
CuSO4 + HCl = CuCl2 + SO2 + O2 + H2O =>
2 CuSO4 + 4 HCl = 2 CuCl2 + 2 SO2 + O2 + 2 H2O
Se + Cr = Cr2Se3 =>
3 Se + 2 Cr = Cr2Se3
Ba(OH)2 + H2S = H2(OH)2 + BaS =>
Ba(OH)2 + H2S = H2(OH)2 + BaS
Ra + I = RaI =>
Ra + I = RaI
Bi2S3 + NH2NH2 = Bi + N2 + H2S =>
2 Bi2S3 + 3 NH2NH2 = 4 Bi + 3 N2 + 6 H2S
AsO + MnO4 = AsO3 + Mn =>
2 AsO + MnO4 = 2 AsO3 + Mn
KOH + H2S = H2O + K2S =>
2 KOH + H2S = 2 H2O + K2S
Ln + H2O + CO2 = Ln2(CO3)3 + H2 =>
2 Ln + 3 H2O + 3 CO2 = Ln2(CO3)3 + 3 H2
Ca(C2H3O2)2H2O + Na2CO3 = CaCO3 + NaC2H3O2 + H2O =>
Ca(C2H3O2)2H2O + Na2CO3 = CaCO3 + 2 NaC2H3O2 + H2O
Cu + Hg3PO4 = Hg + Cu3(PO4)2 =>
3 Cu + 2 Hg3PO4 = 6 Hg + Cu3(PO4)2
H4P2O5 + Au(OH)3 = Au4(P2O5)3 + H2O =>
3 H4P2O5 + 4 Au(OH)3 = Au4(P2O5)3 + 12 H2O
Al + HCl = Cl + H3Al =>
Al + 3 HCl = 3 Cl + H3Al
Zn + As = ZnAs =>
Zn + As = ZnAs
AlI3 + AgNO3 = AgI + Al(NO3)3 =>
AlI3 + 3 AgNO3 = 3 AgI + Al(NO3)3
HCN(ac) + NaOH(ac) = NaCN + H2O =>
HCN(ac) + NaOH(ac) = NaCN + H2O
(CH3COO)2Pb + H2SO4 = PbSO4 + CH3COOH =>
(CH3COO)2Pb + H2SO4 = PbSO4 + 2 CH3COOH
MnO4{-} + OH{-} = MnO4{-3} + O2 + H2O =>
2 MnO4{-} + 4 OH{-} = 2 MnO4{-3} + O2 + 2 H2O
HClO3 + NaOH = NaClO3 + H2O =>
HClO3 + NaOH = NaClO3 + H2O
K2CO3 + Ca(NO3)2 = CaCO3 + NO3K =>
K2CO3 + Ca(NO3)2 = CaCO3 + 2 NO3K
Ca(NO3)2 + Al2CO3 = CaCO3 + Al(NO3) =>
Ca(NO3)2 + Al2CO3 = CaCO3 + 2 Al(NO3)
(ii)CaCO3 + HCl = CaCl2 + H2O + CO2 =>
(ii)CaCO3 + 2 HCl = CaCl2 + H2O + CO2
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
Fe3O4 + Al = Al2O4 + Fe =>
Fe3O4 + 2 Al = Al2O4 + 3 Fe
S(NH4)2 + FeCl3 = Cl(NH4) + Fe2S3 =>
3 S(NH4)2 + 2 FeCl3 = 6 Cl(NH4) + Fe2S3
Al2O3*H2O + H2O = Al(OH)3 =>
Al2O3*H2O + 2 H2O = 2 Al(OH)3
Cu(NO3)2(aq) + MgSO4(aq) = CuSO4(aq) + Mg(NO3)2(aq) =>
Cu(NO3)2(aq) + MgSO4(aq) = CuSO4(aq) + Mg(NO3)2(aq)
Ag(s) + S8(g) = Ag2S(s) =>
16 Ag(s) + S8(g) = 8 Ag2S(s)
Fe2O2 + NH4OH = (NH4)2O + Fe(OH)2 =>
Fe2O2 + 4 NH4OH = 2(NH4)2O + 2 Fe(OH)2
KI + CaO = K2O + CaI2 =>
2 KI + CaO = K2O + CaI2
C5H9O1 + O2 = CO2 + H2O =>
4 C5H9O1 + 27 O2 = 20 CO2 + 18 H2O
NaNO3 + KHSO4 = HNO3 + Na2SO4 + K2SO4 =>
2 NaNO3 + 2 KHSO4 = 2 HNO3 + Na2SO4 + K2SO4
F + NaOH = NaF + O2 + H2O =>
4 F + 4 NaOH = 4 NaF + O2 + 2 H2O
KBr + C12 = Br2 + KC1 =>
12 KBr + C12 = 6 Br2 + 12 KC1
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