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2 As + 5 Cr = As2Cr5
H2SO4 + Fe = FeSO4 + H2 =>
H2SO4 + Fe = FeSO4 + H2
Hg + He = HgHe =>
Hg + He = HgHe
Na[Al(H2O)2(OH)4] + HCl = NaCl + Al(OH)3 + H2O =>
Na[Al(H2O)2(OH)4] + HCl = NaCl + Al(OH)3 + 3 H2O
Zn + HCl = ZnCl + H =>
Zn + HCl = ZnCl + H
H2SO4 + KMnO4 + HNO2 = K2SO4 + MnSO4 + H2O + HNO3 =>
3 H2SO4 + 2 KMnO4 + 5 HNO2 = K2SO4 + 2 MnSO4 + 3 H2O + 5 HNO3
HCl + AgNO3 = HNO3 + AgCl =>
HCl + AgNO3 = HNO3 + AgCl
Zn + HCl = ZnCl + H =>
Zn + HCl = ZnCl + H
C5H10 + O2 = CO2 + H2O =>
2 C5H10 + 15 O2 = 10 CO2 + 10 H2O
K2S + NaNO3 = KNO3 + Na2S =>
K2S + 2 NaNO3 = 2 KNO3 + Na2S
Ca(OH)2 + HBr = CaBr2 + H2O =>
Ca(OH)2 + 2 HBr = CaBr2 + 2 H2O
HBr + K2O = HBrK2O =>
HBr + K2O = HBrK2O
Ni + CUSO4 = NiSO4 + CU =>
Ni + CUSO4 = NiSO4 + CU
H2(SO4) + NH4OH = H2(OH) + (NH4)(SO4) =>
H2(SO4) + NH4OH = H2(OH) + (NH4)(SO4)
NO = N2 + O2 = =>
2 NO = N2 + O2
CH3CCH3CCH3CH3 + KMnO4 + H2O = CH3COHCH3COHCH3CH3 + KOH + Mn02 =>
7 CH3CCH3CCH3CH3 + 2 KMnO4 + 8 H2O = 7 CH3COHCH3COHCH3CH3 + 2 KOH + Mn02
KClO3 + NaI + H2O = I2 + KCl + NaOH =>
KClO3 + 6 NaI + 3 H2O = 3 I2 + KCl + 6 NaOH
ScCl3 + KOH = Sc2O3*3H2O + KCl =>
2 ScCl3 + 6 KOH = Sc2O3*3H2O + 6 KCl
HCl + Ca(NO3)2 = Cl(NO3)2 + HCa =>
HCl + Ca(NO3)2 = Cl(NO3)2 + HCa
FeO + SO2 = Fe3O4 + FeS =>
10 FeO + SO2 = 3 Fe3O4 + FeS
Al + C = Al3C4 =>
3 Al + 4 C = Al3C4
(NH4)2CO3 + BaI2 = NH4I + BaCO3 =>
(NH4)2CO3 + BaI2 = 2 NH4I + BaCO3
HCl + Ca(OH)2 = H2O + CaCl2 =>
2 HCl + Ca(OH)2 = 2 H2O + CaCl2
CaCl2 + Pb = Ca + PbCl2 =>
CaCl2 + Pb = Ca + PbCl2
ZnF2 = Zn + F2 =>
ZnF2 = Zn + F2
BH3 + O2 = BO2 + H2O =>
4 BH3 + 7 O2 = 4 BO2 + 6 H2O
KOH + KSH = K2S + H2O =>
KOH + KSH = K2S + H2O
Pb(OH)2 + NaOH = Na2[Pb(OH)4] =>
Pb(OH)2 + 2 NaOH = Na2[Pb(OH)4]
As + KClO + KOH = K3AsO4 + KCl + H2O =>
2 As + 5 KClO + 6 KOH = 2 K3AsO4 + 5 KCl + 3 H2O
AlCl2 + NaOH = NaCl + Al(OH)2 =>
AlCl2 + 2 NaOH = 2 NaCl + Al(OH)2
NaCl + KMnO4 + CH3COOH = KCl + Cl2 + CH3COONa + H2O + CH3COOMn =>
7 NaCl + KMnO4 + 8 CH3COOH = KCl + 3 Cl2 + 7 CH3COONa + 4 H2O + CH3COOMn
PbO = Pb + O3 =>
3 PbO = 3 Pb + O3
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
SnS2 + HCl = SnCl6{2-} + H{+} + H2S =>
SnS2 + 6 HCl = SnCl6{2-} + 2 H{+} + 2 H2S
C8H5O4K + NaOH = C8H4NaKO4 + H2O =>
C8H5O4K + NaOH = C8H4NaKO4 + H2O
S + NH4NO3 = SO2 + H2O + N2 =>
S + 2 NH4NO3 = SO2 + 4 H2O + 2 N2
HCl + Cu(OH)2 = CuCl2 + H2O =>
2 HCl + Cu(OH)2 = CuCl2 + 2 H2O
HCl + FeCl2 + H2O2 = FeCl3 + H2O =>
2 HCl + 2 FeCl2 + H2O2 = 2 FeCl3 + 2 H2O
NH4NO3 + NiCl2 = Ni(NO3)2 + ClNH4 =>
2 NH4NO3 + NiCl2 = Ni(NO3)2 + 2 ClNH4
C2H5COOC3H7KOH = C2H5COOKC3H7OH =>
C2H5COOC3H7KOH = C2H5COOKC3H7OH
NaCl + KMnO4 + CH3COOH = KCl + Cl2 + CH3COONa + H2O + CH3COOMn =>
7 NaCl + KMnO4 + 8 CH3COOH = KCl + 3 Cl2 + 7 CH3COONa + 4 H2O + CH3COOMn
Fe(OH)2 + H2SO4 = Fe2(SO4)2 + H2O =>
2 Fe(OH)2 + 2 H2SO4 = Fe2(SO4)2 + 4 H2O
Cu + HNO3 = Cu(NO3)2(aq) + NO2(g) + H2O(l) =>
Cu + 4 HNO3 = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
C2H5OH + KMnO4 + H2SO4 = C2H4O + K2SO4 + H2O + MnSO4 =>
5 C2H5OH + 2 KMnO4 + 3 H2SO4 = 5 C2H4O + K2SO4 + 8 H2O + 2 MnSO4
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
C3H6O3 + Cu{2+} + OH{-} = C3H5O4{-} + Cu2O + H2O =>
C3H6O3 + 2 Cu{2+} + 5 OH{-} = C3H5O4{-} + Cu2O + 3 H2O
NaHSO3 + Br2 + H2O = HBr + NaHSO4 =>
NaHSO3 + Br2 + H2O = 2 HBr + NaHSO4
NH4Cl + Na[Co(NO2)6] = NaNH4 + Cl[Co(NO2)6] =>
NH4Cl + Na[Co(NO2)6] = NaNH4 + Cl[Co(NO2)6]
AlBr{3+} + Cl{2+} = AlCl{3+} + Br{2+} =>
AlBr{3+} + Cl{2+} = AlCl{3+} + Br{2+}
Sn(SO4)2 = SnO2 + SO3 =>
Sn(SO4)2 = SnO2 + 2 SO3
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