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3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
C4H8 + KMnO4 + H2SO4 = CH3COOH + K2SO4 + MnSO4 + H2O =>
5 C4H8 + 8 KMnO4 + 12 H2SO4 = 10 CH3COOH + 4 K2SO4 + 8 MnSO4 + 12 H2O
AlCl3 + Ca(OH)2 = Al(OH)3 + CaCl2 =>
2 AlCl3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaCl2
Li2O + H2O = Li(OH) =>
Li2O + H2O = 2 Li(OH)
C6H5SO3H + NaOH = C6H5OH + NaHSO3 =>
C6H5SO3H + NaOH = C6H5OH + NaHSO3
MgCl2(aq) + NaOH(aq) = Mg(OH)2(s) + NaCl =>
MgCl2(aq) + 2 NaOH(aq) = Mg(OH)2(s) + 2 NaCl
CH3CH2OH + Zn = Zn(OH)2 + CH3CH2 =>
2 CH3CH2OH + Zn = Zn(OH)2 + 2 CH3CH2
K3PO4 + Pb(NO3)2 = KNO3 + Pb3(PO4)2 =>
2 K3PO4 + 3 Pb(NO3)2 = 6 KNO3 + Pb3(PO4)2
HNO3(aq) + CaCO3 = Ca(NO3)2(aq) + CO2(g) + H2O(l) =>
2 HNO3(aq) + CaCO3 = Ca(NO3)2(aq) + CO2(g) + H2O(l)
Ba + O2 = BaO =>
2 Ba + O2 = 2 BaO
Ca(s) + CuSO4(aq) = CaSO4(aq) + Cu(s) =>
Ca(s) + CuSO4(aq) = CaSO4(aq) + Cu(s)
Sn(NO3)2 + NaI2 = NaNO3 + Sn(I2)2 =>
Sn(NO3)2 + 2 NaI2 = 2 NaNO3 + Sn(I2)2
Cr2(SO4)3 + Ca(OH)2 = CaSO4 + Cr(OH)3 =>
Cr2(SO4)3 + 3 Ca(OH)2 = 3 CaSO4 + 2 Cr(OH)3
Cl2(g) + KI = KCl + I2(g) =>
Cl2(g) + 2 KI = 2 KCl + I2(g)
CuSO4*5H2O = CuS + H2O + O2 =>
CuSO4*5H2O = CuS + 5 H2O + 2 O2
(NH4)2S + K2Cr2O7 + H2O = S + Cr(OH)3 + KOH + NH4OH =>
3(NH4)2S + K2Cr2O7 + 7 H2O = 3 S + 2 Cr(OH)3 + 2 KOH + 6 NH4OH
Ca3(PO4)2(aq) + H2SO4(aq) = H3PO4(aq) + CaSO4 =>
Ca3(PO4)2(aq) + 3 H2SO4(aq) = 2 H3PO4(aq) + 3 CaSO4
Al(NO3)3 + Na2S = Al2S3 + NaNO3 =>
2 Al(NO3)3 + 3 Na2S = Al2S3 + 6 NaNO3
CH3COOH + P2O5 = (CH3CO)2O + HPO3 =>
2 CH3COOH + P2O5 = (CH3CO)2O + 2 HPO3
HNO2 + KI = KNO3 + I + NO + H2O =>
4 HNO2 + KI = KNO3 + I + 3 NO + 2 H2O
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
Ba + O2 = BaO =>
2 Ba + O2 = 2 BaO
CH3COOH + Na2CO3 = C2H3NaO2 + H2O + CO2 =>
2 CH3COOH + Na2CO3 = 2 C2H3NaO2 + H2O + CO2
Cr2O3 + C = Cr + CO2 =>
2 Cr2O3 + 3 C = 4 Cr + 3 CO2
HClO4(aq) + K2CO3(aq) = H2CO3(aq) + KClO4(aq) =>
2 HClO4(aq) + K2CO3(aq) = H2CO3(aq) + 2 KClO4(aq)
H2S + OH{-} = H2O + S{-2} =>
H2S + 2 OH{-} = 2 H2O + S{-2}
Ni2(SO4)3 = Ni + SO4 =>
Ni2(SO4)3 = 2 Ni + 3 SO4
NH3 + H2CO3 = (NH4)2CO3 =>
2 NH3 + H2CO3 = (NH4)2CO3
PbS + H2O = PbSO4 + H =>
PbS + 4 H2O = PbSO4 + 8 H
SO2 + HCl = SCl + HO2 =>
SO2 + HCl = SCl + HO2
Po + O2 = Po2O4 =>
2 Po + 2 O2 = Po2O4
C2H4 + HCl + O2 = C2H3Cl + H2O =>
2 C2H4 + 2 HCl + O2 = 2 C2H3Cl + 2 H2O
Cu{2+} + Fe = Cu + Fe{2 =>
Cu{2+} + Fe = Cu + Fe{2
H2P = PH3 + HP2 =>
5 H2P = 3 PH3 + HP2
NH3 + F2 = NH4F + NF3 =>
4 NH3 + 3 F2 = 3 NH4F + NF3
Sb2S3 + HNO3 = Sb2O5 + H2SO4 + NO2 + H2O =>
Sb2S3 + 28 HNO3 = Sb2O5 + 3 H2SO4 + 28 NO2 + 11 H2O
Fe2O3 = Fe + O =>
Fe2O3 = 2 Fe + 3 O
CuH10 + O2 = CuO2 + H2O =>
2 CuH10 + 7 O2 = 2 CuO2 + 10 H2O
Sr(OH)2 + Fe2(SO4)3 = Sr(SO4) + Fe(OH)3 =>
3 Sr(OH)2 + Fe2(SO4)3 = 3 Sr(SO4) + 2 Fe(OH)3
NaCN + HF = NaF + HCN =>
NaCN + HF = NaF + HCN
CoCl2 + NH4Cl + NH3 + H2O2 = [Co(NH3)5(H2O)]Cl3 =>
2 CoCl2 + 2 NH4Cl + 8 NH3 + H2O2 = 2[Co(NH3)5(H2O)]Cl3
As(s) + H2(g) = AsH3(s) =>
2 As(s) + 3 H2(g) = 2 AsH3(s)
CuSO4 + Na3PO4 = Cu3(PO4)2 + Na2SO4 =>
3 CuSO4 + 2 Na3PO4 = Cu3(PO4)2 + 3 Na2SO4
ZnSO4 + K4Fe(CN)6 = Zn2Fe(CN)6 + K2SO4 =>
2 ZnSO4 + K4Fe(CN)6 = Zn2Fe(CN)6 + 2 K2SO4
F2 + Al2O3 = AlF3 + O2 =>
6 F2 + 2 Al2O3 = 4 AlF3 + 3 O2
HCOOH + NH3 = NH4HCOO =>
HCOOH + NH3 = NH4HCOO
Cu(NO3)2(aq) + KI(aq) = CuI2(aq) + KNO3(aq) =>
Cu(NO3)2(aq) + 2 KI(aq) = CuI2(aq) + 2 KNO3(aq)
Mg3(PO4)2 + H2SO4 = MgSO4 + H3PO4 =>
Mg3(PO4)2 + 3 H2SO4 = 3 MgSO4 + 2 H3PO4
Cr2O7{-}2 + H2C2O4 + H{+} = Cr{+}3 + CO2 + H2O =>
2 Cr2O7{-}2 + 11 H2C2O4 + 6 H{+} = 4 Cr{+}3 + 22 CO2 + 14 H2O
Co(OH)3 + HCl = CoCl3 + H2O =>
Co(OH)3 + 3 HCl = CoCl3 + 3 H2O
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