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8 Zn + 2 K3AsO4 + 11 H2SO4 = 2 AsH3 + 8 ZnSO4 + 3 K2SO4 + 8 H2O
SnCl2(aq) + Na2S(aq) = SnS(s) + NaCl(aq) =>
SnCl2(aq) + Na2S(aq) = SnS(s) + 2 NaCl(aq)
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
HgO + S8 = HgS + SO2 =>
16 HgO + 3 S8 = 16 HgS + 8 SO2
CH3CH2CH2Cl + KOH = CH2CH2 + KCl + H2O =>
2 CH3CH2CH2Cl + 2 KOH = 3 CH2CH2 + 2 KCl + 2 H2O
CaClKI = CaKICl =>
CaClKI = CaKICl
NiCI2 = Ni + CI2 =>
NiCI2 = Ni + CI2
sodiumsulfite + nitricacid = H2SO3 + NaNO3 =>
Na2SO3 + 2 HNO3 = H2SO3 + 2 NaNO3
Cr2(SO4)3 + Br2 + NaOH = Na2(CrO4) + NaBr + Na2SO4 + H2O =>
Cr2(SO4)3 + 3 Br2 + 16 NaOH = 2 Na2(CrO4) + 6 NaBr + 3 Na2SO4 + 8 H2O
C9H2O + O2 = CO + H2 =>
C9H2O + 4 O2 = 9 CO + H2
Cr(OH)3 + CO2 = Cr2(CO3)3 + H2O =>
2 Cr(OH)3 + 3 CO2 = Cr2(CO3)3 + 3 H2O
C5H11OH + CH3COOH = CH3COOC5H11 + H2O =>
C5H11OH + CH3COOH = CH3COOC5H11 + H2O
CH3CHCH3CH2OH + K2Cr2O7 + H2SO4 = CH3CHCH3CHO + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3CHCH3CH2OH + K2Cr2O7 + 4 H2SO4 = 3 CH3CHCH3CHO + Cr2(SO4)3 + K2SO4 + 7 H2O
Cl2 + NaBr = Br2 + NaCl =>
Cl2 + 2 NaBr = Br2 + 2 NaCl
C12H26 + O2 = CO2 + H2O =>
2 C12H26 + 37 O2 = 24 CO2 + 26 H2O
NH3 + HC1 = NH4C1 =>
NH3 + HC1 = NH4C1
NaBr + AgN = Na3N + AgBr3 =>
3 NaBr + AgN = Na3N + AgBr3
AlCI3 = Al + CI3 =>
AlCI3 = Al + CI3
Fe(NO3)3 + NH4OH = NH4(NO3) + Fe(OH)3 =>
Fe(NO3)3 + 3 NH4OH = 3 NH4(NO3) + Fe(OH)3
K2MnO4 + KI + H2O = I2 + MnO2 + KOH =>
K2MnO4 + 2 KI + 2 H2O = I2 + MnO2 + 4 KOH
CO(H2O)4 + H2O = CO(H2O)6 =>
CO(H2O)4 + 2 H2O = CO(H2O)6
Fe(NO3)2 + NaClO3 + HNO3 = Fe(NO3)3 + Cl2 + NaNO3 + H2O =>
10 Fe(NO3)2 + 2 NaClO3 + 12 HNO3 = 10 Fe(NO3)3 + Cl2 + 2 NaNO3 + 6 H2O
Pb(aq) + Na2SO4(aq) = PbSO4 + Na(aq) =>
Pb(aq) + Na2SO4(aq) = PbSO4 + 2 Na(aq)
SO2 + KMnO4 + H2O = MnSO4 + K2S + H2SO4 =>
9 SO2 + 2 KMnO4 + 6 H2O = 2 MnSO4 + K2S + 6 H2SO4
Zn(s) + HNO3(aq) = Zn(NO3)2(aq) + NH4NO3(s) + H2O(l) =>
4 Zn(s) + 10 HNO3(aq) = 4 Zn(NO3)2(aq) + NH4NO3(s) + 3 H2O(l)
H2SO4 + Sr(OH)2 = H2O + SSrO4 =>
H2SO4 + Sr(OH)2 = 2 H2O + SSrO4
Na2SO4 + CaF2 = NaF + CaSO4 =>
Na2SO4 + CaF2 = 2 NaF + CaSO4
Pb(NO3)2(aq) + AgNO3(aq) = PbNO3(s) + Ag(NO3)2(aq) =>
Pb(NO3)2(aq) + AgNO3(aq) = PbNO3(s) + Ag(NO3)2(aq)
Br2 + N = NBr3 =>
3 Br2 + 2 N = 2 NBr3
La2(CO3)3 + HCl = LaCl3 + CO2 + H2O =>
La2(CO3)3 + 6 HCl = 2 LaCl3 + 3 CO2 + 3 H2O
Pb(NO3)2 + KI = PbK2 + NO3I =>
Pb(NO3)2 + 2 KI = PbK2 + 2 NO3I
Co(NO3)2*6H2O + C2H8N2 + NCS = [Co(C2H8N2)2(NCS)2]NCS + H2O + NO3 =>
Co(NO3)2*6H2O + 2 C2H8N2 + 3 NCS = [Co(C2H8N2)2(NCS)2]NCS + 6 H2O + 2 NO3
K2P = K + P =>
K2P = 2 K + P
NaCl + AgNO3 = AgCl + NaNO3 =>
NaCl + AgNO3 = AgCl + NaNO3
Ca2 + Na2CO3 = Ca(CO3)2 + Na =>
Ca2 + 4 Na2CO3 = 2 Ca(CO3)2 + 8 Na
Cr + NaOH + H2O = NaCrO2 + H2 =>
2 Cr + 2 NaOH + 2 H2O = 2 NaCrO2 + 3 H2
BaCO3 + CH3COOH = (CH3COO)2Ba + CO2 + H2O =>
BaCO3 + 2 CH3COOH = (CH3COO)2Ba + CO2 + H2O
OH{-} + Zn{2+} = ZnO2{2-} + H2O =>
4 OH{-} + Zn{2+} = ZnO2{2-} + 2 H2O
Ca5(PO4)3OH + H2CO3 = CaCO3 + HPO4 + H + H2O =>
Ca5(PO4)3OH + 5 H2CO3 = 5 CaCO3 + 3 HPO4 + 6 H + H2O
Li2CO3 + Al2O3 = Li2O3 + Al2CO3 =>
Li2CO3 + Al2O3 = Li2O3 + Al2CO3
CaNO3 + HSO4 = CaSO4 + HNO3 =>
CaNO3 + HSO4 = CaSO4 + HNO3
K2MnO4 + H2SO3 = MnO2 + KMnO4 + K2SO3 + H2O =>
3 K2MnO4 + 2 H2SO3 = MnO2 + 2 KMnO4 + 2 K2SO3 + 2 H2O
NH2 + CuO = N2 + H2O + Cu =>
2 NH2 + 2 CuO = N2 + 2 H2O + 2 Cu
FeCl3 + Na3OHSO4 = FeOHSO4 + NaCl =>
FeCl3 + Na3OHSO4 = FeOHSO4 + 3 NaCl
Fe3 + O2 = Fe2(O2)3 =>
2 Fe3 + 9 O2 = 3 Fe2(O2)3
Mg + H2SO4 = MgHSO4 + H2S + H2O =>
8 Mg + 9 H2SO4 = 8 MgHSO4 + H2S + 4 H2O
Cu(OH)3 + H2SO4 = Cu2(SO4)3 + H2O =>
2 Cu(OH)3 + 3 H2SO4 = Cu2(SO4)3 + 6 H2O
FeCO3(s) + H2SO4(aq) = CO2(g) + FeSO4(aq) + H2O(aq) =>
FeCO3(s) + H2SO4(aq) = CO2(g) + FeSO4(aq) + H2O(aq)
Cd(OH)2 + Na2S2O4 = CdSO4 + NaOH + S2 =>
2 Cd(OH)2 + 2 Na2S2O4 = 2 CdSO4 + 4 NaOH + S2
CUSO4 + NH4Cl = NH4SO4 + CUCl =>
CUSO4 + NH4Cl = NH4SO4 + CUCl
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