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2 NaOH + H2SO4 = Na2SO4 + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Ca(ClO)2 + Na2S2O3 + NaOH = CaCl2 + Na2SO4 + H2O =>
2 Ca(ClO)2 + Na2S2O3 + 2 NaOH = 2 CaCl2 + 2 Na2SO4 + H2O
Na2O2 + Na = Na2O =>
Na2O2 + 2 Na = 2 Na2O
Ni + PBSO4 = NiSO4 + PB =>
Ni + PBSO4 = NiSO4 + PB
Na2O2 + Na = Na2O =>
Na2O2 + 2 Na = 2 Na2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
K2S + Ba(NO3)2 = K2(NO3)2 + BaS =>
K2S + Ba(NO3)2 = K2(NO3)2 + BaS
H2O2 + As2S5 + NH4OH = (NH4)3AsO4 + H2O + (NH4)2SO4 =>
20 H2O2 + As2S5 + 16 NH4OH = 2(NH4)3AsO4 + 28 H2O + 5(NH4)2SO4
Zn(OH)2 + NO2 = Zn(NO3)2 + H2 =>
Zn(OH)2 + 2 NO2 = Zn(NO3)2 + H2
As2O3 + OH{-} = AsO3{3-} + H2O =>
As2O3 + 6 OH{-} = 2 AsO3{3-} + 3 H2O
Au + S2 = AuS =>
2 Au + S2 = 2 AuS
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
BeF2 + AgNO3 = BeN2O6 + AgF =>
BeF2 + 2 AgNO3 = BeN2O6 + 2 AgF
H3PO3 + Ca(OH)2 = (PO3)2Ca3 + H2O =>
2 H3PO3 + 3 Ca(OH)2 = (PO3)2Ca3 + 6 H2O
Fe + C3H6O3 = FeC6H10O6 + H2 =>
Fe + 2 C3H6O3 = FeC6H10O6 + H2
Na4Si + O2 = NaO + Si =>
Na4Si + 2 O2 = 4 NaO + Si
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Na2CO3(aq) + HBr(aq) = CO2(g) + H2O(l) + NaBr(aq) =>
Na2CO3(aq) + 2 HBr(aq) = CO2(g) + H2O(l) + 2 NaBr(aq)
HCl + NaBH4 + H2O = NaCl + H2 + H5BO4 =>
HCl + NaBH4 + 4 H2O = NaCl + 4 H2 + H5BO4
SiC + SiO2 = SiO + CO2 =>
SiC + 3 SiO2 = 4 SiO + CO2
Fe2(SO4)3(aq) + NH3(g) + H2O(l) = Fe(OH)3(s) + (NH4)2SO4(aq) =>
Fe2(SO4)3(aq) + 6 NH3(g) + 6 H2O(l) = 2 Fe(OH)3(s) + 3(NH4)2SO4(aq)
Cu(CH3COO)2 + C9H8O4 = Cu(C9H7O4)2 + H + CH3COO =>
Cu(CH3COO)2 + 2 C9H8O4 = Cu(C9H7O4)2 + 2 H + 2 CH3COO
NH4 + C2H3O2 = C2H7NO2 =>
NH4 + C2H3O2 = C2H7NO2
H2O2 + As2S5 + NH4OH = (NH4)3AsO4 + H2O + (NH4)2SO4 =>
20 H2O2 + As2S5 + 16 NH4OH = 2(NH4)3AsO4 + 28 H2O + 5(NH4)2SO4
C6H5SO3H + H2O = C6H5SO3 + H3O =>
C6H5SO3H + H2O = C6H5SO3 + H3O
FeSO4(ac) + NaOH(ac) = Fe(OH)2(s) + Na2SO4(ac) =>
FeSO4(ac) + 2 NaOH(ac) = Fe(OH)2(s) + Na2SO4(ac)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
H2SiF6 + NaOH = NaF + SiO2 + HF =>
H2SiF6 + 2 NaOH = 2 NaF + SiO2 + 4 HF
C3H7ClO + Ca(OH)2 = C3H6O + CaCl2 + H2O =>
2 C3H7ClO + Ca(OH)2 = 2 C3H6O + CaCl2 + 2 H2O
C + HF = CF4 + H2 =>
C + 4 HF = CF4 + 2 H2
C2H3OH(l) + O2(g) = CO2 + H2O(g) =>
2 C2H3OH(l) + 5 O2(g) = 4 CO2 + 4 H2O(g)
K3PO4(aq) + Ba(NO3)2(aq) = Ba3(PO4)2(aq) + KNO3(s) =>
2 K3PO4(aq) + 3 Ba(NO3)2(aq) = Ba3(PO4)2(aq) + 6 KNO3(s)
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
N2O4(g) + N2H4(g) = N2(g) + H2O =>
N2O4(g) + 2 N2H4(g) = 3 N2(g) + 4 H2O
Br2O7 = BrO2 + O2 =>
2 Br2O7 = 4 BrO2 + 3 O2
KH2PO4 + CaBr2 = H3PO4 + Ca3(PO4)2 + KBr =>
6 KH2PO4 + 3 CaBr2 = 4 H3PO4 + Ca3(PO4)2 + 6 KBr
K2TeO4 + HCl = K2TeO3 + Cl2 + H2O =>
K2TeO4 + 2 HCl = K2TeO3 + Cl2 + H2O
Ca(OH)2 + K2SO4 = CaSO4 + K2(OH)2 =>
Ca(OH)2 + K2SO4 = CaSO4 + K2(OH)2
KOH + MgS = K2S + Mg(OH)2 =>
2 KOH + MgS = K2S + Mg(OH)2
HNO3(aq) + H = NO(g) + H2O(g) =>
HNO3(aq) + 3 H = NO(g) + 2 H2O(g)
ZnCO3 + CsCl = ZnCl2 + Cs2CO3 =>
ZnCO3 + 2 CsCl = ZnCl2 + Cs2CO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H2(g) + Br(g) = HBr =>
H2(g) + 2 Br(g) = 2 HBr
N3 + H2 = HN3 =>
2 N3 + H2 = 2 HN3
Ca2S + HBr = CaBr + H2S =>
Ca2S + 2 HBr = 2 CaBr + H2S
CaCl2 = Ca + Cl2 =>
CaCl2 = Ca + Cl2
FeSO4(aq) + KCl(aq) = FeCl2(s) + K2SO4(aq) =>
FeSO4(aq) + 2 KCl(aq) = FeCl2(s) + K2SO4(aq)
HCN + K = KHCN =>
HCN + K = KHCN
(NH4)2CO3 + CaCl2 = (NH4)2Cl2 + CO3Ca =>
(NH4)2CO3 + CaCl2 = (NH4)2Cl2 + CO3Ca
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