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2 KMnO4 + 2 Na2S + 2 H2SO4 = S + 2 MnSO4 + K2SO4 + 4 NaOH
C + S8 = CS2 =>
4 C + S8 = 4 CS2
Cu(OH)2 + NH3 = [Cu(NH3)2] + OH =>
Cu(OH)2 + 2 NH3 = [Cu(NH3)2] + 2 OH
SO2 + O2 = (SO2)O2 =>
SO2 + O2 = (SO2)O2
BaO2 + Mn(NO3)2 + HNO3 = HMnO4 + Ba(NO3)2 + H2O =>
5 BaO2 + 2 Mn(NO3)2 + 6 HNO3 = 2 HMnO4 + 5 Ba(NO3)2 + 2 H2O
Ai + Cl2 = AiCl3 =>
2 Ai + 3 Cl2 = 2 AiCl3
PBr3(s) + H2O(l) = H3PO3(aq) + HBr(aq) =>
PBr3(s) + 3 H2O(l) = H3PO3(aq) + 3 HBr(aq)
Br{-} = Br2 + {-e} =>
2 Br{-} = Br2 + 2{-e}
Cr2O3 + Na2CO3 + O2 = Na2CrO4 + CO2 =>
2 Cr2O3 + 4 Na2CO3 + 3 O2 = 4 Na2CrO4 + 4 CO2
(NH4)2SO3 + HNO3 = NH4NO3 + SO2 + H2O =>
(NH4)2SO3 + 2 HNO3 = 2 NH4NO3 + SO2 + H2O
FeSO4 + KMnO4 = FeO4 + KMnSO4 =>
FeSO4 + KMnO4 = FeO4 + KMnSO4
FeSO4 + KClO3 + KOH = KFeO4 + KCl + K2SO4 + H2O =>
6 FeSO4 + 5 KClO3 + 18 KOH = 6 KFeO4 + 5 KCl + 6 K2SO4 + 9 H2O
KOH + HBO3 = KBO3 + H2O =>
KOH + HBO3 = KBO3 + H2O
CrPO4 + K2SO4 = K2PO4 + CrSO4 =>
CrPO4 + K2SO4 = K2PO4 + CrSO4
NH4HF2 + H2O = NH4OH + HF =>
NH4HF2 + H2O = NH4OH + 2 HF
Cu(NO3)2(aq) + NaPO4(aq) = Cu(PO4)2(s) + NaNO3(aq) =>
Cu(NO3)2(aq) + 2 NaPO4(aq) = Cu(PO4)2(s) + 2 NaNO3(aq)
NaOH + N2O3 = Na2(NO2)2 + H2O =>
2 NaOH + N2O3 = Na2(NO2)2 + H2O
NaS + Mg(NO3)2 = MgS + Na(NO3)2 =>
NaS + Mg(NO3)2 = MgS + Na(NO3)2
CH3COOH + NaOH = CH3COO + Na + H2O =>
CH3COOH + NaOH = CH3COO + Na + H2O
C4H8Br2 + NaOH = C4H8(OH)2 + NaBr =>
C4H8Br2 + 2 NaOH = C4H8(OH)2 + 2 NaBr
Na2SO3 + HCl = NaHSO3 + NaCl =>
Na2SO3 + HCl = NaHSO3 + NaCl
S + Fe = Fe2S4 =>
4 S + 2 Fe = Fe2S4
K2CO3 + HCI = CO2 + H2O + KCI =>
K2CO3 + 2 HCI = CO2 + H2O + 2 KCI
(FeOH)(CO3) = Fe2O3 + CO2 + H2O =>
2(FeOH)(CO3) = Fe2O3 + 2 CO2 + H2O
Cr2O3 + Na2CO3 + O2 = Na2CrO4CO2 =>
2 Cr2O3 + 4 Na2CO3 + 3 O2 = 4 Na2CrO4CO2
(CH3)3CHOH + O2 = CO2 + H2O =>
4(CH3)3CHOH + 25 O2 = 16 CO2 + 22 H2O
Na4SiO4 + Cu2SO4 = Na2SO4 + Cu4SiO4 =>
Na4SiO4 + 2 Cu2SO4 = 2 Na2SO4 + Cu4SiO4
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
N2 + K2 + CO2 = N2K2CO2 =>
N2 + K2 + CO2 = N2K2CO2
CO2 + NOH = N2CO3 + H2O =>
CO2 + 2 NOH = N2CO3 + H2O
PbNO3 + MgSO4 = Mg(NO3)2 + Pb2SO4 =>
2 PbNO3 + MgSO4 = Mg(NO3)2 + Pb2SO4
CH3CONH2 + H2O = CH3CONH3 + OH =>
CH3CONH2 + H2O = CH3CONH3 + OH
C8 = C =>
C8 = 8 C
C4H8Br2 + NaOH = C4H6 + NaBr + H2O =>
C4H8Br2 + 2 NaOH = C4H6 + 2 NaBr + 2 H2O
CH3CONH2 + H2O = CH3CONH3 + OH =>
CH3CONH2 + H2O = CH3CONH3 + OH
Mn(OH)3 + KI + HCl = MnCl2 + I2 + H2O + KCl =>
2 Mn(OH)3 + 2 KI + 6 HCl = 2 MnCl2 + I2 + 6 H2O + 2 KCl
NaNO3 + SrBr2 = NaBr2 + SrNO3 =>
NaNO3 + SrBr2 = NaBr2 + SrNO3
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
CaCO3(s) + H3PO4(aq) = CO2(g) + Ca3(PO4)2(s) + H2O(l) =>
3 CaCO3(s) + 2 H3PO4(aq) = 3 CO2(g) + Ca3(PO4)2(s) + 3 H2O(l)
Mg(NO3)2 + BaSO3 = Ba(NO3)2 + MgSO3 =>
Mg(NO3)2 + BaSO3 = Ba(NO3)2 + MgSO3
Ca3(PO4)2(s) + H2O(l) = Ca(OH)2(aq) + H3PO4 =>
Ca3(PO4)2(s) + 6 H2O(l) = 3 Ca(OH)2(aq) + 2 H3PO4
CH3COOH + Fe(OH)2 = Fe(CH3COO)2 + HOH =>
2 CH3COOH + Fe(OH)2 = Fe(CH3COO)2 + 2 HOH
KClO3 + P = P2O5 + KCl =>
5 KClO3 + 6 P = 3 P2O5 + 5 KCl
ZnS2 + O2 = SO2 + ZnO =>
2 ZnS2 + 5 O2 = 4 SO2 + 2 ZnO
Al2 = Al1 =>
Al2 = 2 Al1
CH3CONH2 + H2O = CH3COOH + NH3 =>
CH3CONH2 + H2O = CH3COOH + NH3
CH3COOH + NaOH = CH3COO + Na + H2O =>
CH3COOH + NaOH = CH3COO + Na + H2O
Cr2O3 + Na2CO3 + O2 = Na2CrO4CO2 =>
2 Cr2O3 + 4 Na2CO3 + 3 O2 = 4 Na2CrO4CO2
NO + Cr2O3 = CrO + NO2 =>
NO + Cr2O3 = 2 CrO + NO2
HgO + KI = HgI2 + K2O =>
HgO + 2 KI = HgI2 + K2O
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