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2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2O + 3 O2
K2SO4 + NaOH = KOH + Na2SO4 =>
K2SO4 + 2 NaOH = 2 KOH + Na2SO4
C6H11OH + KMnO4 + H2SO4 = C6H10O + MnSO4 + K2SO4 + H2O =>
5 C6H11OH + 2 KMnO4 + 3 H2SO4 = 5 C6H10O + 2 MnSO4 + K2SO4 + 8 H2O
FeSO4 + K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + K2SO4 =>
3 FeSO4 + 2 K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + 3 K2SO4
Fe + HNO3 = Fe2(NO3)3 + H2O + NO2 =>
2 Fe + 6 HNO3 = Fe2(NO3)3 + 3 H2O + 3 NO2
HgCl2 + Al = AlCl3 + Hg =>
3 HgCl2 + 2 Al = 2 AlCl3 + 3 Hg
Fe + HNO3 = Fe2(NO3)3 + H2O + NO2 =>
2 Fe + 6 HNO3 = Fe2(NO3)3 + 3 H2O + 3 NO2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
KClO2 = KCl + KClO3 =>
3 KClO2 = KCl + 2 KClO3
HgO = Hg + O =>
HgO = Hg + O
Ba(ClO)2 + KI + HCl = I2 + BaCl2 + KCl + H2O =>
Ba(ClO)2 + 4 KI + 4 HCl = 2 I2 + BaCl2 + 4 KCl + 2 H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
F2 + H2O = HF + O2 =>
2 F2 + 2 H2O = 4 HF + O2
KMNO4 + KNO2 + H2SO4 = MNSO4 + H2O + KNO3 + K2SO4 =>
2 KMNO4 + 5 KNO2 + 3 H2SO4 = 2 MNSO4 + 3 H2O + 5 KNO3 + K2SO4
Cr2O3 + NaNO3 + NaOH = Na2CrO4 + NaNO2 + H2O =>
Cr2O3 + 3 NaNO3 + 4 NaOH = 2 Na2CrO4 + 3 NaNO2 + 2 H2O
Ba(ClO)2 + KI + HCl = I2 + BaCl2 + KCl + H2O =>
Ba(ClO)2 + 4 KI + 4 HCl = 2 I2 + BaCl2 + 4 KCl + 2 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
HI + H2SO4 = I2 + H2S + H2O =>
8 HI + H2SO4 = 4 I2 + H2S + 4 H2O
H2SO4(aq) + Mg(OH)2(aq) = H2O + MgSO4 =>
H2SO4(aq) + Mg(OH)2(aq) = 2 H2O + MgSO4
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
NaVO3 + HCl = NaCl + VOCl2 + Cl2 + H2O =>
2 NaVO3 + 8 HCl = 2 NaCl + 2 VOCl2 + Cl2 + 4 H2O
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
PH3 + O2 = H2O + P4O10 =>
4 PH3 + 8 O2 = 6 H2O + P4O10
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
SrCl2 + Li3PO4 = Sr3(PO4)2 + LiCl =>
3 SrCl2 + 2 Li3PO4 = Sr3(PO4)2 + 6 LiCl
Fe2O3(s) + CO(g) = Fe(s) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(s) + 3 CO2(g)
SrCl2 + Li3PO4 = Sr3(PO4)2 + LiCl =>
3 SrCl2 + 2 Li3PO4 = Sr3(PO4)2 + 6 LiCl
H{+} + C2O4{2-} + MnO4 = Mn{2+} + CO2 + H2O =>
8 H{+} + 3 C2O4{2-} + MnO4 = Mn{2+} + 6 CO2 + 4 H2O
Ca(s) + F2(g) = CaF2(s) =>
Ca(s) + F2(g) = CaF2(s)
Fe2O3(s) + CO(g) = Fe(s) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(s) + 3 CO2(g)
BaO(s) + H2O(l) = Ba(OH)2(s) =>
BaO(s) + H2O(l) = Ba(OH)2(s)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HNO3 + Zn = H2O + NO2 + Zn(NO3)2 =>
4 HNO3 + Zn = 2 H2O + 2 NO2 + Zn(NO3)2
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Cs2O(s) + H2O(l) = CsOH(aq) =>
Cs2O(s) + H2O(l) = 2 CsOH(aq)
MgSO3 = MgO + SO2 =>
MgSO3 = MgO + SO2
KHCO3 = K2CO3 + H2O + CO2 =>
2 KHCO3 = K2CO3 + H2O + CO2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
KHCO3 = K2CO3 + H2O + CO2 =>
2 KHCO3 = K2CO3 + H2O + CO2
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Mg + CuO = MgO + Cu =>
Mg + CuO = MgO + Cu
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
SrSO4(s) = SrO(s) + SO3(g) =>
SrSO4(s) = SrO(s) + SO3(g)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
CaS + H2O = Ca(HS)2 + Ca(OH)2 =>
2 CaS + 2 H2O = Ca(HS)2 + Ca(OH)2
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