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2 Nb2O5 = 4 NbO + 3 O2
HCl + Na2S = NaCl + H2S =>
2 HCl + Na2S = 2 NaCl + H2S
CH3CH2CH2CH2CH2CH2CH2CH2OH + O2 = CO2 + H2O =>
CH3CH2CH2CH2CH2CH2CH2CH2OH + 12 O2 = 8 CO2 + 9 H2O
(NH4)3PO4 + AlI3 = AlPO4 + NH4I =>
(NH4)3PO4 + AlI3 = AlPO4 + 3 NH4I
CuBr + H2SO4 = CuSO4 + Br2 + SO2 + H2O =>
2 CuBr + 4 H2SO4 = 2 CuSO4 + Br2 + 2 SO2 + 4 H2O
CaCO2H2O = H2CaCO3 =>
CaCO2H2O = H2CaCO3
BiCl3 + K[Sn(OH)3] + KOH = Bi + K2[Sn(OH)6] + KCl =>
2 BiCl3 + 3 K[Sn(OH)3] + 9 KOH = 2 Bi + 3 K2[Sn(OH)6] + 6 KCl
Pb(NO3)2 + K2Cr2O7 = PbCr2O7 + K2(NO3)2 =>
Pb(NO3)2 + K2Cr2O7 = PbCr2O7 + K2(NO3)2
CuSO4 + NaOH + C6H12O6 = Cu2O + Na2SO4 + C6H11O7Na + H2O =>
2 CuSO4 + 5 NaOH + C6H12O6 = Cu2O + 2 Na2SO4 + C6H11O7Na + 3 H2O
CuCO3Na2EDTA = Cu(EDTA)Na2CO3 =>
CuCO3Na2EDTA = Cu(EDTA)Na2CO3
Sn + Pb(NO3)2 = Sn(NO3) + Pb =>
2 Sn + Pb(NO3)2 = 2 Sn(NO3) + Pb
C3H4O3 + O2 = CO2 + H2O =>
2 C3H4O3 + 5 O2 = 6 CO2 + 4 H2O
KO3 + CO2 = K2C5O + O4 =>
8 KO3 + 20 CO2 = 4 K2C5O + 15 O4
CuCl2(electricity) = Cu + Cl2 =>
CuCl2(electricity) = Cu + Cl2
Ca3(PO4)2 + SiO2 = P4O10 + CaSiO3 =>
2 Ca3(PO4)2 + 6 SiO2 = P4O10 + 6 CaSiO3
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
CoCl2Cl = CoCl3 =>
CoCl2Cl = CoCl3
CaO + P2O5 = (Ca)3(PO4)2 =>
3 CaO + P2O5 = (Ca)3(PO4)2
NiCO3 + Cr = Ni + Cr2(CO3)3 =>
3 NiCO3 + 2 Cr = 3 Ni + Cr2(CO3)3
KI + HNO3 = I2 + NO2 + KNO3 + H2O =>
2 KI + 4 HNO3 = I2 + 2 NO2 + 2 KNO3 + 2 H2O
Ca + Mn2O3 = CaO2 + Mn =>
3 Ca + 2 Mn2O3 = 3 CaO2 + 4 Mn
NaCl + MgCO3 = Na2CO3 + MgCl2 =>
2 NaCl + MgCO3 = Na2CO3 + MgCl2
KHSO3 + Cl2 + H2O = H2SO4 + HCl + KCl =>
KHSO3 + Cl2 + H2O = H2SO4 + HCl + KCl
He(OH)2 + H3PO4 = He3(PO4)2 + H2O =>
3 He(OH)2 + 2 H3PO4 = He3(PO4)2 + 6 H2O
Na(OH)1 + HClO4 = Na1(ClO4)1 + H2O =>
Na(OH)1 + HClO4 = Na1(ClO4)1 + H2O
C6H7NO3S + NaOH = C6H6NO3SNa + H2O =>
C6H7NO3S + NaOH = C6H6NO3SNa + H2O
SiO2(s) + HF(aq) = H2SiF6(aq) + H2O(l) =>
SiO2(s) + 6 HF(aq) = H2SiF6(aq) + 2 H2O(l)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
H2SO4 + (SrNO3)2 = SrSO4 + H2NO3 =>
2 H2SO4 + (SrNO3)2 = 2 SrSO4 + 2 H2NO3
Rb + CuCO3 = Cu + RbCO3 =>
Rb + CuCO3 = Cu + RbCO3
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
C6H4(OH)COOHNaHCO3 = C6H4(OH)COONaH2OCO2 =>
C6H4(OH)COOHNaHCO3 = C6H4(OH)COONaH2OCO2
[Co(SCN)] + HgCl = [Hg(SCN)] + CoCl =>
[Co(SCN)] + HgCl = [Hg(SCN)] + CoCl
Ni + No3 = NiNo3 =>
Ni + No3 = NiNo3
CuSO4 + Na3PO4 = Cu3(PO4)2 + Na2(SO4) =>
3 CuSO4 + 2 Na3PO4 = Cu3(PO4)2 + 3 Na2(SO4)
CH3COOH(s) + NaOH(aq) = CH3COONa(aq) + H2O(l) =>
CH3COOH(s) + NaOH(aq) = CH3COONa(aq) + H2O(l)
GeO2 + P2O5 = Ge3(PO4)4 =>
3 GeO2 + 2 P2O5 = Ge3(PO4)4
Ag(NO3)2 = Ag + NO3 =>
Ag(NO3)2 = Ag + 2 NO3
KO3 + CO2 = K2C5O + O4 =>
8 KO3 + 20 CO2 = 4 K2C5O + 15 O4
GeO2 + P2O5 = Ge3(PO4)4 =>
3 GeO2 + 2 P2O5 = Ge3(PO4)4
Pb(NO3)2 + Na2SO4 = PbSO4 + NaNO3 =>
Pb(NO3)2 + Na2SO4 = PbSO4 + 2 NaNO3
Ba(NO3)2 + Na2S = NaNO3 + BaS =>
Ba(NO3)2 + Na2S = 2 NaNO3 + BaS
B2O3(s) + C(s) = B4C(s) + CO(g) =>
2 B2O3(s) + 7 C(s) = B4C(s) + 6 CO(g)
Sn + KOH + H2O = K2[Sn(OH)6] + H2 =>
Sn + 2 KOH + 4 H2O = K2[Sn(OH)6] + 2 H2
K2Cr2O7 + Ba(NO3)2 = BaCr2O7 + K2(NO3)2 =>
K2Cr2O7 + Ba(NO3)2 = BaCr2O7 + K2(NO3)2
KCl + H2SO4 = HCl + K2SO4 =>
2 KCl + H2SO4 = 2 HCl + K2SO4
BaO2 + CO2 = Ba + CO4 =>
BaO2 + CO2 = Ba + CO4
[Cu(NH3)4]SO4*H2O + KCN = K3NH4[Cu2(CN)6] + NH4CNO + NH3 + K2SO4 + H2O =>
2[Cu(NH3)4]SO4*H2O + 7 KCN = K3NH4[Cu2(CN)6] + NH4CNO + 6 NH3 + 2 K2SO4 + H2O
S + As = As2S =>
S + 2 As = As2S
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