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K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 3 I2 + 7 H2O
Na2ZnO2 = Na2O + ZnO =>
Na2ZnO2 = Na2O + ZnO
SO2 + H2O = HS02 + O2 =>
8 SO2 + 2 H2O = 4 HS02 + 9 O2
U2O7H2O = HUO4 =>
U2O7H2O = 2 HUO4
AlO2 + HCl = Al + Cl2 + H2O =>
AlO2 + 4 HCl = Al + 2 Cl2 + 2 H2O
NH4HO = NH3 + H2O =>
NH4HO = NH3 + H2O
NaOH + CuBr2 = Cu(OH)2 + NaBr =>
2 NaOH + CuBr2 = Cu(OH)2 + 2 NaBr
Fe3O4 + Al2 = Al2O3 + Fe3 =>
3 Fe3O4 + 4 Al2 = 4 Al2O3 + 3 Fe3
K2[Zn(OH)4] + BaCl2 = KCl + ZnCl2 + Ba(OH)2 =>
K2[Zn(OH)4] + 2 BaCl2 = 2 KCl + ZnCl2 + 2 Ba(OH)2
NiBr6 + F2 = FBr + Ni =>
NiBr6 + 3 F2 = 6 FBr + Ni
FeO + HCl = H2 + FeCl + O2 =>
2 FeO + 2 HCl = H2 + 2 FeCl + O2
NaHCO3(s) + HCl(aq) = CO2(g) + H2O(aq) + NaCl(s) =>
NaHCO3(s) + HCl(aq) = CO2(g) + H2O(aq) + NaCl(s)
Mg + H3PO4 = Mg(H2PO4)2 + H2 =>
Mg + 2 H3PO4 = Mg(H2PO4)2 + H2
HgO + HNO3 = Hg(NO3)2 + H2O =>
HgO + 2 HNO3 = Hg(NO3)2 + H2O
Ca(IO)2 + KI + HCl = CaCl2 + KCl + I2 + H2O =>
Ca(IO)2 + 2 KI + 4 HCl = CaCl2 + 2 KCl + 2 I2 + 2 H2O
FeCl3 + K4FeC6N6 = KCl + Fe7C18N18 =>
4 FeCl3 + 3 K4FeC6N6 = 12 KCl + Fe7C18N18
Li + CaCl2 = LiCl + Ca =>
2 Li + CaCl2 = 2 LiCl + Ca
HCl + KMnO4 = Cl2 + MnO2 + H2O + KCl =>
8 HCl + 2 KMnO4 = 3 Cl2 + 2 MnO2 + 4 H2O + 2 KCl
Ni(NO3)2(ac) + Cr(s) = Cr(NO3)3(ac) + Ni(s) =>
3 Ni(NO3)2(ac) + 2 Cr(s) = 2 Cr(NO3)3(ac) + 3 Ni(s)
CaO + ZnSO4 = CaSO4 + ZnO =>
CaO + ZnSO4 = CaSO4 + ZnO
H18 = H2 =>
H18 = 9 H2
Zn + H{+} = Zn2{+} + H2 =>
4 Zn + 2 H{+} = 2 Zn2{+} + H2
KNO3(s) = KNO2(s) + O2(g) =>
2 KNO3(s) = 2 KNO2(s) + O2(g)
H2SO4 + HI = H2SO3 + I2 + H2O =>
H2SO4 + 2 HI = H2SO3 + I2 + H2O
Li + Cr + O = LiCrO =>
Li + Cr + O = LiCrO
He + O2 = He7O4 =>
7 He + 2 O2 = He7O4
NaHSO3 + Sr(NO3)2 = NaNO3 + Sr(HSO3)2 =>
2 NaHSO3 + Sr(NO3)2 = 2 NaNO3 + Sr(HSO3)2
FeSO2 + Cu = CuSO2 + Fe =>
FeSO2 + Cu = CuSO2 + Fe
He + O2 = He7O4 =>
7 He + 2 O2 = He7O4
C7H6N2O4 + NH4NO3 = CO2 + H2O + N2 =>
C7H6N2O4 + 13 NH4NO3 = 7 CO2 + 29 H2O + 14 N2
He + O2 = He7O4 =>
7 He + 2 O2 = He7O4
NaH + BCl3 = NaCl + B + H =>
3 NaH + BCl3 = 3 NaCl + B + 3 H
HNO2 + H2 = NO + H2O =>
2 HNO2 + H2 = 2 NO + 2 H2O
He + O2 = He7O4 =>
7 He + 2 O2 = He7O4
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
FeSO4 + KBr + KBrO3 = FeO + K2SO4 + Br2 =>
3 FeSO4 + 5 KBr + KBrO3 = 3 FeO + 3 K2SO4 + 3 Br2
Na + H2SO3 = NaHSO3 + H2 =>
2 Na + 2 H2SO3 = 2 NaHSO3 + H2
AlCl3 + NH4OH = Al(OH)3 + NH4Cl =>
AlCl3 + 3 NH4OH = Al(OH)3 + 3 NH4Cl
CuCO3 + HNO3 = CO2 + Cu(NO3)2 + H2O =>
CuCO3 + 2 HNO3 = CO2 + Cu(NO3)2 + H2O
He + O2 = He7O4 =>
7 He + 2 O2 = He7O4
H2SO4 + HI = SO2 + I2 + H2O =>
H2SO4 + 2 HI = SO2 + I2 + 2 H2O
HO{-} + AH2 = H2O + AH{-} =>
HO{-} + AH2 = H2O + AH{-}
CH3OOH + NaOH = NaCH3COO + H2O =>
2 CH3OOH + NaOH = NaCH3COO + 3 H2O
He + O2 = HeO =>
2 He + O2 = 2 HeO
BaCO3 + RuO2 + TiO2 = Ba3RuTi2O9 + C + O =>
3 BaCO3 + RuO2 + 2 TiO2 = Ba3RuTi2O9 + 3 C + 6 O
He + O2 = HeO2 =>
He + O2 = HeO2
Cr2O3 + NaNO3 + KOH = K2CrO4 + NaNO2 + H2O =>
Cr2O3 + 3 NaNO3 + 4 KOH = 2 K2CrO4 + 3 NaNO2 + 2 H2O
Br + HCl = HBr + Cl =>
Br + HCl = HBr + Cl
HI + KIO3 = I2 + H2O + KI =>
6 HI + KIO3 = 3 I2 + 3 H2O + KI
BrO2 + H2O = HBrO3 + HBr =>
6 BrO2 + 3 H2O = 5 HBrO3 + HBr
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