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3 Zn + Fe2O3 = 2 Fe + 3 ZnO
SnS + K2S + O2 + H2O = K2SnS3 + K2Sn(OH)6 =>
6 SnS + 6 K2S + 3 O2 + 6 H2O = 4 K2SnS3 + 2 K2Sn(OH)6
N + {2} + H{2} = NH{3} =>
2 N + {2} + 2 H{2} = 2 NH{3}
Ag2CO3 + H2SO4 = Ag2SO4 + H2CO3 =>
Ag2CO3 + H2SO4 = Ag2SO4 + H2CO3
K2Cr2O7 + C2O4H2 + H2SO4 = K2SO4 + Cr2(SO)4 + CO2 + H2O =>
K2Cr2O7 + 14 C2O4H2 + 5 H2SO4 = K2SO4 + Cr2(SO)4 + 28 CO2 + 19 H2O
K2SiO3 + HBr = KBr + SiO2 + H2O =>
K2SiO3 + 2 HBr = 2 KBr + SiO2 + H2O
CaO + B2O3 = Ca(BO2)2 =>
CaO + B2O3 = Ca(BO2)2
CuCl + H2SO4 = CuSO4 + SO2 + HCl + H2O =>
2 CuCl + 3 H2SO4 = 2 CuSO4 + SO2 + 2 HCl + 2 H2O
AgBr + Ca = Br2 + Ag2Ca =>
2 AgBr + Ca = Br2 + Ag2Ca
(a)NH4NO3(s) = (b)N2O(g) + (c)H2O =>
(a)NH4NO3(s) = (b)N2O(g) + 2(c)H2O
H2 + O3 = H2O =>
3 H2 + O3 = 3 H2O
BaCl2(s) + Na2SO4 = BaSO4 + NaCl =>
BaCl2(s) + Na2SO4 = BaSO4 + 2 NaCl
C7H6O + MnO4{-} + H = C7H5O2{-} + MnO2 + H2O =>
C7H6O + MnO4{-} + H = C7H5O2{-} + MnO2 + H2O
C6H6O + CO2 + NaOH = C7H4O3Na2 + H2O =>
C6H6O + CO2 + 2 NaOH = C7H4O3Na2 + 2 H2O
Na2S2O7 + AgNO3 = Ag2S2O7 + NaNO3 =>
Na2S2O7 + 2 AgNO3 = Ag2S2O7 + 2 NaNO3
Ag(s) + H2SO4(aq) = H2(g) + Ag2(SO4)(aq) =>
2 Ag(s) + H2SO4(aq) = H2(g) + Ag2(SO4)(aq)
C6H5COOH + NaOH = HOH + NaC6H5COO =>
C6H5COOH + NaOH = HOH + NaC6H5COO
Fe + HF = FeF3 + H2 =>
2 Fe + 6 HF = 2 FeF3 + 3 H2
ZnCl2 + H2O = ZnOHCl + HCl =>
ZnCl2 + H2O = ZnOHCl + HCl
Mg(NO3)2 + K3PO4 = Mg3(PO4)2 + KNO3 =>
3 Mg(NO3)2 + 2 K3PO4 = Mg3(PO4)2 + 6 KNO3
NaHCO3 + HCl(aq) = NaCl(s) + H2O(l) + CO2(g) =>
NaHCO3 + HCl(aq) = NaCl(s) + H2O(l) + CO2(g)
(NH2)2CO + H2O = NH3 + CO2 =>
(NH2)2CO + H2O = 2 NH3 + CO2
Co + SCN = [Co(SCN)4] =>
Co + 4 SCN = [Co(SCN)4]
Mg3(PO4)2 = Mg + PO4 =>
Mg3(PO4)2 = 3 Mg + 2 PO4
NaOH + C = Na + Na2CO3 + H2 =>
6 NaOH + 2 C = 2 Na + 2 Na2CO3 + 3 H2
Fe + Cd(NO3)2 = Fe(NO3)2 + Cd =>
Fe + Cd(NO3)2 = Fe(NO3)2 + Cd
C5H11OH + CH3COOH = CH3COOC5H11 + H2O =>
C5H11OH + CH3COOH = CH3COOC5H11 + H2O
N3 + H2O = NH3 + O2 =>
4 N3 + 18 H2O = 12 NH3 + 9 O2
Br2 + I2 = Br2I =>
2 Br2 + I2 = 2 Br2I
N{+3} + O{-2} = N2O3 =>
2 N{+3} + 3 O{-2} = N2O3
H2S(g) + O2(g) = SO2(g) + H2O(g) =>
2 H2S(g) + 3 O2(g) = 2 SO2(g) + 2 H2O(g)
C3H7OH + CuO = C3H6O + H2O + Cu =>
C3H7OH + CuO = C3H6O + H2O + Cu
Li + MnO4 = LiMnO4 =>
Li + MnO4 = LiMnO4
Mg2Si2O6 + SiO2 + H2O = Mg7Si8O22(OH)2 =>
7 Mg2Si2O6 + 2 SiO2 + 2 H2O = 2 Mg7Si8O22(OH)2
Na2B4O7*10H2O = H3BO3 + NaBO2 + H2O =>
Na2B4O7*10H2O = 2 H3BO3 + 2 NaBO2 + 7 H2O
Br2 + I2 = Br2I =>
2 Br2 + I2 = 2 Br2I
C13H8O + NaBH4 + CH3CH2OH = C13H9OH + NaB(OCH2CH3) =>
5 C13H8O + 2 NaBH4 + 2 CH3CH2OH = 5 C13H9OH + 2 NaB(OCH2CH3)
Mn(NO3)2 + NaBiO3 + HNO3 = NaMnO4 + Bi(NO3)3 + NaNO3 + H2O =>
2 Mn(NO3)2 + 5 NaBiO3 + 14 HNO3 = 2 NaMnO4 + 5 Bi(NO3)3 + 3 NaNO3 + 7 H2O
CaC2O4 + HNO3 = Ca(NO3)2 + H2C2O4 =>
CaC2O4 + 2 HNO3 = Ca(NO3)2 + H2C2O4
S + NO3{-} + H2O = SO4{2-} + N2 + H{+} =>
5 S + 6 NO3{-} + 2 H2O = 5 SO4{2-} + 3 N2 + 4 H{+}
CH3COONa + AgNO3 = CH3COOAg + NaNO3 =>
CH3COONa + AgNO3 = CH3COOAg + NaNO3
Cu2O + C = Cu + CO =>
Cu2O + C = 2 Cu + CO
CuCl2 + O2 = CuCl2O2 =>
CuCl2 + O2 = CuCl2O2
SiH4 + LiOH = Si(OH)4 + LiH =>
SiH4 + 4 LiOH = Si(OH)4 + 4 LiH
KCl(aq) + H2SO4(aq) = K2SO4(aq) + HCl(aq) =>
2 KCl(aq) + H2SO4(aq) = K2SO4(aq) + 2 HCl(aq)
Ba(AlO2)2 + HCl = AlCl3 + BaCl2 + H2O =>
Ba(AlO2)2 + 8 HCl = 2 AlCl3 + BaCl2 + 4 H2O
HBr + NiCO3 = H2CO3 + NiBr2 =>
2 HBr + NiCO3 = H2CO3 + NiBr2
Sn(s) + HCl(aq) = SnCl4(aq) + H2(g) =>
Sn(s) + 4 HCl(aq) = SnCl4(aq) + 2 H2(g)
Pb(C2H3O2)2 + Na2(CO3) = Pb(CO3) + Na(C2H3O2) =>
Pb(C2H3O2)2 + Na2(CO3) = Pb(CO3) + 2 Na(C2H3O2)
NaNO2 + HCl = NaCl + HNO2 =>
NaNO2 + HCl = NaCl + HNO2
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