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4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
CU + F = CUF =>
CU + F = CUF
C2H5CN + CrO7{-} + H{+} = CO2 + NH3 + Cr{3+} + H2O =>
5 C2H5CN + 7 CrO7{-} + 28 H{+} = 15 CO2 + 5 NH3 + 7 Cr{3+} + 19 H2O
Fe(OH)2 + O2 + H2O = Fe(OH)3 =>
4 Fe(OH)2 + O2 + 2 H2O = 4 Fe(OH)3
Pb(NO3)4 + K2(Cr2O7) = Pb(Cr2O7)2 + K(NO3) =>
Pb(NO3)4 + 2 K2(Cr2O7) = Pb(Cr2O7)2 + 4 K(NO3)
H2SO4 + NaCH3COO = CH3COOH + Na2SO4 =>
H2SO4 + 2 NaCH3COO = 2 CH3COOH + Na2SO4
Sr + Al(NO) = Al + Sr(NO) =>
Sr + Al(NO) = Al + Sr(NO)
HClNa = NaClH =>
HClNa = NaClH
CuSO4 + H2NCH2CH2NH2 = [Cu(H2NCH2CH2NH2)2]SO4 =>
CuSO4 + 2 H2NCH2CH2NH2 = [Cu(H2NCH2CH2NH2)2]SO4
Hg2(NO3)2 + KI = K2HgI4 + KNO3 + Hg =>
Hg2(NO3)2 + 4 KI = K2HgI4 + 2 KNO3 + Hg
C3H5(NO3)3(nitroglicerina) = CO2 + N2 + O2 + H2O =>
4 C3H5(NO3)3(nitroglicerina) = 12 CO2 + 6 N2 + O2 + 10 H2O
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
Ba(s) + SnCl2(aq) = BaCl2(aq) + Sn(s) =>
Ba(s) + SnCl2(aq) = BaCl2(aq) + Sn(s)
Ba(OH)2 + Li = LiOH + Ba =>
Ba(OH)2 + 2 Li = 2 LiOH + Ba
KI + CuCl2 = I2 + CuI + KCl =>
4 KI + 2 CuCl2 = I2 + 2 CuI + 4 KCl
Ni + H2SO5 = NiSO4 + H2O =>
Ni + H2SO5 = NiSO4 + H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
ZnNO3 + NaCo3 = ZnCo3 + NaNO3 =>
ZnNO3 + NaCo3 = ZnCo3 + NaNO3
Mn2O7 + H2 = MnO2 + H2O =>
Mn2O7 + 3 H2 = 2 MnO2 + 3 H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
C4H9Cl + KOH = C4H10O + KCl =>
C4H9Cl + KOH = C4H10O + KCl
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
SO1 + H2S = H2O + S =>
SO1 + H2S = H2O + 2 S
NH3 + H2O + Al2(SO4)3 = (NH4)2SO4 + Al(OH)3 =>
6 NH3 + 6 H2O + Al2(SO4)3 = 3(NH4)2SO4 + 2 Al(OH)3
(NH4)(NO3) + Na3(PO4) = (NH4)3(PO4) + Na(NO3) =>
3(NH4)(NO3) + Na3(PO4) = (NH4)3(PO4) + 3 Na(NO3)
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
MnBr2 + Zn(C2H3O2)2 = Mn(C2H3O2)2 + ZnBr2 =>
MnBr2 + Zn(C2H3O2)2 = Mn(C2H3O2)2 + ZnBr2
(Cu(NO3)2*3H2O) + (NH4OH*2H2O) = [Cu(NH3)4](NO3)2 + H2O =>
(Cu(NO3)2*3H2O) + 4(NH4OH*2H2O) = [Cu(NH3)4](NO3)2 + 15 H2O
KMnO4 + HCl + CoCl2 = MnCl2 + CoCl3 + H2O + KCl =>
KMnO4 + 8 HCl + 5 CoCl2 = MnCl2 + 5 CoCl3 + 4 H2O + KCl
Pt + HCl + HNO3 = H2PtCl6 + N2O3 + H2O =>
Pt + 6 HCl + 2 HNO3 = H2PtCl6 + N2O3 + 3 H2O
SnO2 + NaOH = H2O + Na2SnO3 =>
SnO2 + 2 NaOH = H2O + Na2SnO3
Ba + Al2O3 = BaO + Al2 =>
3 Ba + Al2O3 = 3 BaO + Al2
Al + Cu(ClO3)2 = Al(ClO3) + Cu =>
2 Al + Cu(ClO3)2 = 2 Al(ClO3) + Cu
Al + ZnC12 = Zn + AlC13 =>
12 Al + 13 ZnC12 = 13 Zn + 12 AlC13
Ca(NO3)2 + CuCl = CaCl + Cu(NO3)2 =>
Ca(NO3)2 + CuCl = CaCl + Cu(NO3)2
BrO + H2O = OH + HBr =>
BrO + 2 H2O = 3 OH + HBr
BaSO4 + Zn(OH)2 = Ba(OH)2 + ZnSO4 =>
BaSO4 + Zn(OH)2 = Ba(OH)2 + ZnSO4
Be(OH)2 = Be + OH =>
Be(OH)2 = Be + 2 OH
KOH + H3BO3 = K3BO3 + H2O =>
3 KOH + H3BO3 = K3BO3 + 3 H2O
Y(NO3)3 + NaOH = Y(NO3)3(OH)3 + Na =>
Y(NO3)3 + 3 NaOH = Y(NO3)3(OH)3 + 3 Na
N2 = N16 =>
8 N2 = N16
Mg + KHSO4 = H2 + MgSO4 + K2SO4 =>
Mg + 2 KHSO4 = H2 + MgSO4 + K2SO4
Br2 + Be = BeBr2 =>
Br2 + Be = BeBr2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
P4O10 + PCl5 = POCl3 =>
P4O10 + 6 PCl5 = 10 POCl3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CH2CHCHCH2 + H2 = CH3CH2CH2CH3 =>
CH2CHCHCH2 + 2 H2 = CH3CH2CH2CH3
H2SO4CdS = H2SCdSO4 =>
H2SO4CdS = H2SCdSO4
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