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2 K + SO4 = K2SO4
HCl + Mg = MgHCl =>
HCl + Mg = MgHCl
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
K2Cr2O7 + H2SO4 + CH3CH2OH = CH3CHO + K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 CH3CH2OH = 3 CH3CHO + K2SO4 + Cr2(SO4)3 + 7 H2O
KOH + Cl2 = KCl + KClO3 + H2O =>
6 KOH + 3 Cl2 = 5 KCl + KClO3 + 3 H2O
NaNO3 + FeSO4 + H2SO4 = NO + Na2SO4 + Fe2(SO4)3 + H2O =>
2 NaNO3 + 6 FeSO4 + 4 H2SO4 = 2 NO + Na2SO4 + 3 Fe2(SO4)3 + 4 H2O
MgO + LiCl = MgCl2 + Li2O =>
MgO + 2 LiCl = MgCl2 + Li2O
CH4 + O2 = H2O + CO2 =>
CH4 + 2 O2 = 2 H2O + CO2
HgS + O2 = SO2 + Hg =>
HgS + O2 = SO2 + Hg
HCl + Mg = HMg + Cl =>
HCl + Mg = HMg + Cl
KMnO4 + KI + H2SO4 = K2SO4 + MnSO4 + I2 + H2O =>
2 KMnO4 + 10 KI + 8 H2SO4 = 6 K2SO4 + 2 MnSO4 + 5 I2 + 8 H2O
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
6 FeSO4 + K2Cr2O7 + 7 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
HCl + Mg = MgHCl =>
HCl + Mg = MgHCl
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
BaCl2 + K2S = BaS + KCl =>
BaCl2 + K2S = BaS + 2 KCl
Cu + O2 = CuO2 =>
Cu + O2 = CuO2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
K[Cr(OH)4] + KOH + Br2 = K2CrO4 + KBr + H2O =>
2 K[Cr(OH)4] + 8 KOH + 3 Br2 = 2 K2CrO4 + 6 KBr + 8 H2O
H3PO4 + NaOH = Na3PO4 + H2O =>
H3PO4 + 3 NaOH = Na3PO4 + 3 H2O
K[Cr(OH)4] + KOH + H2O2 = K2CrO4 + H2O =>
2 K[Cr(OH)4] + 2 KOH + 3 H2O2 = 2 K2CrO4 + 8 H2O
AgNO3 + FeCl2 = AgCl + Fe(NO3)2 =>
2 AgNO3 + FeCl2 = 2 AgCl + Fe(NO3)2
K[Cr(OH)4] + KOH + H2O2 = K2CrO4 + H2O =>
2 K[Cr(OH)4] + 2 KOH + 3 H2O2 = 2 K2CrO4 + 8 H2O
Na2CO3 + NaNO3 + Cr2O3 = Na2CrO4 + NaNO2 + CO2 =>
2 Na2CO3 + 3 NaNO3 + Cr2O3 = 2 Na2CrO4 + 3 NaNO2 + 2 CO2
Na2Cr2O7 = Na2CrO4 + O2 + Cr2O3 =>
4 Na2Cr2O7 = 4 Na2CrO4 + 3 O2 + 2 Cr2O3
CdO + NaOH = Cd + NaO + H2O =>
CdO + 2 NaOH = Cd + 2 NaO + H2O
Na + CuCl2 = NaCl + Cu =>
2 Na + CuCl2 = 2 NaCl + Cu
CuSO4 + HCl = CuCl + HSO4 =>
CuSO4 + HCl = CuCl + HSO4
P + Cl = PCl =>
P + Cl = PCl
C10H22 = C6H14 + C2H4 =>
C10H22 = C6H14 + 2 C2H4
Na(SO4) + KOH = K(SO4) + NaOH =>
Na(SO4) + KOH = K(SO4) + NaOH
K3PO4 + Ca(NO3)2 = Ca3(PO4)2 + KNO3 =>
2 K3PO4 + 3 Ca(NO3)2 = Ca3(PO4)2 + 6 KNO3
Zn(NO3)2 + NaOH = Zn(OH)2 + NaNO3 =>
Zn(NO3)2 + 2 NaOH = Zn(OH)2 + 2 NaNO3
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
LiCl = Li + Cl2 =>
2 LiCl = 2 Li + Cl2
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
C5H8 + O2 = CO2 + H2O =>
C5H8 + 7 O2 = 5 CO2 + 4 H2O
Au + HCl = AuCl2 + H2 =>
Au + 2 HCl = AuCl2 + H2
H2SO4 + Na2SO3 = H2O + SO2 + NaSO4 =>
3 H2SO4 + Na2SO3 = 3 H2O + 2 SO2 + 2 NaSO4
H2SO4 + Na2SO3 = H2O + SO2 + Na2SO4 =>
H2SO4 + Na2SO3 = H2O + SO2 + Na2SO4
ZnO + H2O = Zn(OH)2 =>
ZnO + H2O = Zn(OH)2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Pb2 + HCl = H + PbCl2 =>
Pb2 + 4 HCl = 4 H + 2 PbCl2
Pb2 + HCl = H2 + PbCl2 =>
Pb2 + 4 HCl = 2 H2 + 2 PbCl2
Fe(OH)2 + O2 + H2O = Fe(OH)3 =>
4 Fe(OH)2 + O2 + 2 H2O = 4 Fe(OH)3
NH4OH + CoCl2 = NH4Cl2 + CoOH =>
NH4OH + CoCl2 = NH4Cl2 + CoOH
CaO(s) + H2O(l) = Ca(OH)2(aq) =>
CaO(s) + H2O(l) = Ca(OH)2(aq)
Cr(NO3) + HCl = CrCl + HNO3 =>
Cr(NO3) + HCl = CrCl + HNO3
ClO2 + NaOH = NaCl + NaClO4 + H2O =>
8 ClO2 + 8 NaOH = 3 NaCl + 5 NaClO4 + 4 H2O
CoCl2 + NH4OH = NH4Cl2 + CoOH =>
CoCl2 + NH4OH = NH4Cl2 + CoOH
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