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2 Cu3 = 3 Cu2
C4H10O + Na = NaC4H9O + H2 =>
2 C4H10O + 2 Na = 2 NaC4H9O + H2
Ni{2+} + NH3 = [Ni(NH3)6]{2+} =>
Ni{2+} + 6 NH3 = [Ni(NH3)6]{2+}
Cr(OH)3 + KClO + KOH = K2CrO4 + KCl + H2O =>
2 Cr(OH)3 + 3 KClO + 4 KOH = 2 K2CrO4 + 3 KCl + 5 H2O
Cu + AgCO = CuCO + Ag =>
Cu + AgCO = CuCO + Ag
C3H5ClO2 + NaOH = C2H5OH + CO2 + NaCl =>
C3H5ClO2 + NaOH = C2H5OH + CO2 + NaCl
CoCl2 + NH4(OH) = Co(OH) + NH4Cl2 =>
CoCl2 + NH4(OH) = Co(OH) + NH4Cl2
Co(NO3)2 + NaOH = Co(OH)2 + (NO3)2 + Na =>
Co(NO3)2 + 2 NaOH = Co(OH)2 + (NO3)2 + 2 Na
KCrO4 + Ba = BaCrO4 + K =>
KCrO4 + Ba = BaCrO4 + K
H2CO + Ag(NH3)2OH = Ag + HCOONH4 + H2O + NH3 =>
H2CO + 2 Ag(NH3)2OH = 2 Ag + HCOONH4 + H2O + 3 NH3
C2H5OCH5 + O2 = CO2 + H2O =>
C2H5OCH5 + 5 O2 = 3 CO2 + 5 H2O
C6H10 + Br2 = CBr + HBr =>
C6H10 + 8 Br2 = 6 CBr + 10 HBr
C3H8 + HCl = C3H7Cl + H2 =>
C3H8 + HCl = C3H7Cl + H2
K2SO4 + Al2(SO4)3 + H2O = KAl3(SO4)2(OH)6 + H2SO4 =>
K2SO4 + 3 Al2(SO4)3 + 12 H2O = 2 KAl3(SO4)2(OH)6 + 6 H2SO4
CH3COOH + MgO = MgCH3COO + H2O + CO2 =>
9 CH3COOH + 8 MgO = 8 MgCH3COO + 6 H2O + 2 CO2
H3PO4(aq) + NaOH(aq) = H2O(s) + Na3PO4(s) =>
H3PO4(aq) + 3 NaOH(aq) = 3 H2O(s) + Na3PO4(s)
Fe2SiO4 + H2O = Fe3O4 + SiO2 + H =>
3 Fe2SiO4 + 2 H2O = 2 Fe3O4 + 3 SiO2 + 4 H
NH2CH2COOH + HNO3 = HOCH2COOH + N02 + H2O =>
5 NH2CH2COOH + 3 HNO3 = 5 HOCH2COOH + 4 N02 + 4 H2O
F + NaI = FNaI =>
F + NaI = FNaI
C35H72(s) + O2(s) = CO2(g) + H2O(g) =>
C35H72(s) + 53 O2(s) = 35 CO2(g) + 36 H2O(g)
NaCl + Ca0 = Na20 + CaCl2 =>
20 NaCl + 10 Ca0 = Na20 + 10 CaCl2
Cu(s) + H2SO4(l) = CuSO4(aq) + SO2(g) + H2O(l) =>
Cu(s) + 2 H2SO4(l) = CuSO4(aq) + SO2(g) + 2 H2O(l)
Mg(OH)2 + HMnO4 = Mg(MnO4)2 + H2O =>
Mg(OH)2 + 2 HMnO4 = Mg(MnO4)2 + 2 H2O
K3PO4 + TiBr4 = Ti3P4O16 + KBr =>
4 K3PO4 + 3 TiBr4 = Ti3P4O16 + 12 KBr
Fe(SCN)3 + SnCl2 = FeCl2 + Sn(SCN)2 + SnCl4 =>
2 Fe(SCN)3 + 4 SnCl2 = 2 FeCl2 + 3 Sn(SCN)2 + SnCl4
NaCl + F = NaF + Cl = =>
NaCl + F = NaF + Cl
Sr(NO3)2 + Na2CO3 = NaNO3 + SrCO3 =>
Sr(NO3)2 + Na2CO3 = 2 NaNO3 + SrCO3
C8H8(s) + O2(g) = CO2(g) + H2O(l) =>
C8H8(s) + 10 O2(g) = 8 CO2(g) + 4 H2O(l)
Fe2O3 + H2 = FeOH + H2O =>
Fe2O3 + 2 H2 = 2 FeOH + H2O
CuCO3 + NaOH = Cu(OH)2 + CO2 + Na2O =>
CuCO3 + 2 NaOH = Cu(OH)2 + CO2 + Na2O
S + Fe = Fe2(S2)3 =>
6 S + 2 Fe = Fe2(S2)3
KMnO4 + HCl + Na2SO3 = KCl + MnCl2 + Na2SO4 + H2O =>
2 KMnO4 + 6 HCl + 5 Na2SO3 = 2 KCl + 2 MnCl2 + 5 Na2SO4 + 3 H2O
Cr(NO3)3 + Cr + HCl = CrCl2 + NH4Cl + H2O =>
2 Cr(NO3)3 + 25 Cr + 60 HCl = 27 CrCl2 + 6 NH4Cl + 18 H2O
CrCl2 + H2SO4 = CrSO4 + HCl =>
CrCl2 + H2SO4 = CrSO4 + 2 HCl
Fe(OH)3 + Mg = Mg(OH) + Fe =>
Fe(OH)3 + 3 Mg = 3 Mg(OH) + Fe
Co2 + S = CoS =>
Co2 + 2 S = 2 CoS
C + H2SO4 = C(SO4)2 + H2 =>
C + 2 H2SO4 = C(SO4)2 + 2 H2
H3PO5 + K2CO3 = K3PO5 + H2O + CO2 =>
2 H3PO5 + 3 K2CO3 = 2 K3PO5 + 3 H2O + 3 CO2
H2SO4 + Zn(NO3)2 = HNO3 + Zn(SO4) =>
H2SO4 + Zn(NO3)2 = 2 HNO3 + Zn(SO4)
PbBr2 + Ba(OH)2 = BaBr2 + Pb(OH)2 =>
PbBr2 + Ba(OH)2 = BaBr2 + Pb(OH)2
HS + O2 = H2O + S2 =>
4 HS + O2 = 2 H2O + 2 S2
PH3 + HBr = PH4Br =>
PH3 + HBr = PH4Br
Cu + HNO3 = Cu(NO3)(aq) + NO2 + H2O =>
Cu + 2 HNO3 = Cu(NO3)(aq) + NO2 + H2O
Na2S2O3 + I3{-} = Na{+} + I{-} + S4O6{-2} =>
2 Na2S2O3 + I3{-} = 4 Na{+} + 3 I{-} + S4O6{-2}
PH3 + HBr = PH4Br =>
PH3 + HBr = PH4Br
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
MgSO4 + NaPO4 = NaSO4 + MgPO4 =>
MgSO4 + NaPO4 = NaSO4 + MgPO4
KMnO4 + Na2S2O3 + H2SO4 = MnSO4 + K2SO4 + Na2SO4 + H2O =>
8 KMnO4 + 5 Na2S2O3 + 7 H2SO4 = 8 MnSO4 + 4 K2SO4 + 5 Na2SO4 + 7 H2O
Al + Sn(CrO4)2 = Al2(CrO4)3 + Sn =>
4 Al + 3 Sn(CrO4)2 = 2 Al2(CrO4)3 + 3 Sn
Hg(CO3)4 = Hg + CO3 =>
Hg(CO3)4 = Hg + 4 CO3
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