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4 Cr + 3 O2 = 2 Cr2O3
CuSO4 + Sr(ClO4)2 = Cu(ClO4)2 + SrSO4 =>
CuSO4 + Sr(ClO4)2 = Cu(ClO4)2 + SrSO4
Pb5 = Pb4 =>
4 Pb5 = 5 Pb4
C5H10O2 + O2 = CO2 + H2O =>
2 C5H10O2 + 13 O2 = 10 CO2 + 10 H2O
Na + Al2(SO4)3 = Na2(SO4) + Al =>
6 Na + Al2(SO4)3 = 3 Na2(SO4) + 2 Al
F(OH)3 = F + OH =>
F(OH)3 = F + 3 OH
Li + CH3COOH = LiC2H3O2 + H2 =>
2 Li + 2 CH3COOH = 2 LiC2H3O2 + H2
Fe(aq) + F2(g) = FeF3(s) =>
2 Fe(aq) + 3 F2(g) = 2 FeF3(s)
CO + ZnO = COZnO =>
CO + ZnO = COZnO
CuCl2 = Cl2Cu =>
CuCl2 = Cl2Cu
Fe + H2SO3 = Fe2(SO3)2 + H2 =>
2 Fe + 2 H2SO3 = Fe2(SO3)2 + 2 H2
Cu(OH)2 + CO2 = CuO2 + C(OH)2 =>
Cu(OH)2 + CO2 = CuO2 + C(OH)2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
(CH3)3N + H2O = (CH4)3N + OH =>
(CH3)3N + 3 H2O = (CH4)3N + 3 OH
Mn + Fe2O3 = Mn2O + Fe =>
6 Mn + Fe2O3 = 3 Mn2O + 2 Fe
Na2SiO4 + Ba(OH)2 = NaOH + BaSiO4 =>
Na2SiO4 + Ba(OH)2 = 2 NaOH + BaSiO4
PH3 + KMnO4 + H2SO4 = MnSO4 + H3PO4 + H2O + K2SO4 =>
5 PH3 + 8 KMnO4 + 12 H2SO4 = 8 MnSO4 + 5 H3PO4 + 12 H2O + 4 K2SO4
NH4SCN + KOH = KSCN + NH4OH =>
NH4SCN + KOH = KSCN + NH4OH
C6N6FeK3 + H2SO4 + H2O2 = K2SO4 + Fe2(SO4)3 + NO + CO2 + H2O =>
2 C6N6FeK3 + 6 H2SO4 + 42 H2O2 = 3 K2SO4 + Fe2(SO4)3 + 12 NO + 12 CO2 + 48 H2O
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
Mn + HI = H2 + MnI3 =>
2 Mn + 6 HI = 3 H2 + 2 MnI3
C2H4(COOH)2 + KOH = C2H4(COOK)2 + H2O =>
C2H4(COOH)2 + 2 KOH = C2H4(COOK)2 + 2 H2O
Ca3(PO4)2(s) + H2SO4(aq) = H3PO4(aq) + CaSO4(aq) =>
Ca3(PO4)2(s) + 3 H2SO4(aq) = 2 H3PO4(aq) + 3 CaSO4(aq)
C6H5NO3 + SO2 + H2O = C6H5NO2 + H2SO4 =>
C6H5NO3 + SO2 + H2O = C6H5NO2 + H2SO4
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
Pb(CH3COO)2 + H2O + CO2 = PbCO3 + CH3COOH =>
Pb(CH3COO)2 + H2O + CO2 = PbCO3 + 2 CH3COOH
CoS + HCl + KClO3 = CoCl2 + KCl + S + H2O =>
3 CoS + 6 HCl + KClO3 = 3 CoCl2 + KCl + 3 S + 3 H2O
Al2O3 + NaOH + HF = Na3AlF6 + H2O =>
Al2O3 + 6 NaOH + 12 HF = 2 Na3AlF6 + 9 H2O
AgNO3 + Ba(NO3)2 = AgBa + NO3 =>
AgNO3 + Ba(NO3)2 = AgBa + 3 NO3
As4 + H2 = AsH3 =>
As4 + 6 H2 = 4 AsH3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
C2H6O(l) + O2(g) = CO2 + H2O =>
C2H6O(l) + 3 O2(g) = 2 CO2 + 3 H2O
H3PO4 + CoBr2 = HBr + Co3(PO4)2 =>
2 H3PO4 + 3 CoBr2 = 6 HBr + Co3(PO4)2
AgNO3 + AlCl3 = Al(NO3)3 + AgCl =>
3 AgNO3 + AlCl3 = Al(NO3)3 + 3 AgCl
K3PO4 + NH4Cl = KCl + (NH4)3PO4 =>
K3PO4 + 3 NH4Cl = 3 KCl + (NH4)3PO4
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
NH3 + Cu(OH)2 = [Cu(NH3)2](OH)2 =>
2 NH3 + Cu(OH)2 = [Cu(NH3)2](OH)2
S2 + Cl2 = SCl =>
S2 + Cl2 = 2 SCl
AgCl + Fe = Fe2Cl + Ag =>
AgCl + 2 Fe = Fe2Cl + Ag
C4H9Br + K = C4H9K + Br2 =>
2 C4H9Br + 2 K = 2 C4H9K + Br2
NH4ClO4 + Al = N2 + HCl + H2O + Al2O3 =>
6 NH4ClO4 + 10 Al = 3 N2 + 6 HCl + 9 H2O + 5 Al2O3
CH3(CH2)11C6H4SO3H + Na2Co3 = CH3(CH2)11C6H4SO3Na + H2Co3 =>
2 CH3(CH2)11C6H4SO3H + Na2Co3 = 2 CH3(CH2)11C6H4SO3Na + H2Co3
Li + AlCl3 = LiCl + Al =>
3 Li + AlCl3 = 3 LiCl + Al
Fe + Pb3O4 = Fe2O3 + Pb =>
8 Fe + 3 Pb3O4 = 4 Fe2O3 + 9 Pb
SO4 + HCl = SO4Cl + H2 =>
2 SO4 + 2 HCl = 2 SO4Cl + H2
C4H6O2 + NaHCO3 + NaCl + H2O = Na3C25H42O18Cl + CO2 =>
6 C4H6O2 + 2 NaHCO3 + NaCl + 2 H2O = Na3C25H42O18Cl + CO2
Fe + Cu(SO4) = FeSO4 + Cu =>
Fe + Cu(SO4) = FeSO4 + Cu
C4H8N2O3 + O2 = CO2 + H2O + CH4N2O =>
C4H8N2O3 + 3 O2 = 3 CO2 + 2 H2O + CH4N2O
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