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K2 + O2 = K2O2
CaCO3 + Li = Li2CO3 + Ca =>
CaCO3 + 2 Li = Li2CO3 + Ca
Hg(NO3)2 + AgCl = AgNO3 + HgCl2 =>
Hg(NO3)2 + 2 AgCl = 2 AgNO3 + HgCl2
NaCl + H2O + KMnO4 = Cl2 + NaOH + MnO2 + KOH =>
6 NaCl + 4 H2O + 2 KMnO4 = 3 Cl2 + 6 NaOH + 2 MnO2 + 2 KOH
K + O2 = K2O2 =>
2 K + O2 = K2O2
Pb + CuSO4 = Pb2SO4 + Cu =>
2 Pb + CuSO4 = Pb2SO4 + Cu
Cr2O3 + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
Cr2O3 + 3 Br2 + 10 NaOH = 2 Na2CrO4 + 6 NaBr + 5 H2O
Ca + HOH = Ca(OH) + H =>
Ca + HOH = Ca(OH) + H
CH4(g) + CO2(g) + NH3(g) = C2H4N2(g) + H2O(g) =>
3 CH4(g) + 5 CO2(g) + 8 NH3(g) = 4 C2H4N2(g) + 10 H2O(g)
C2H6O2 + O2 = H2O + CO2 =>
2 C2H6O2 + 5 O2 = 6 H2O + 4 CO2
As + O2 = As2O3 =>
4 As + 3 O2 = 2 As2O3
C2H12O6 + O2 = CO + H2O =>
C2H12O6 + O2 = 2 CO + 6 H2O
C16H16 + Cl2 = C + HCl =>
C16H16 + 8 Cl2 = 16 C + 16 HCl
H2O + KI + K2S2O8KOH = KOH + I2 + KHSO4 =>
2 H2O + 2 KI + K2S2O8KOH = 3 KOH + I2 + 2 KHSO4
Cl{2+} + NaBr = NaCl + Br{+2}(I) =>
Cl{2+} + NaBr = NaCl + Br{+2}(I)
Na2CO2 + H2O = Na2HCO2 + OH =>
Na2CO2 + H2O = Na2HCO2 + OH
HBr + (NH4)2S = H2S + NH4Br =>
2 HBr + (NH4)2S = H2S + 2 NH4Br
Fe + Sb2S3 = FeS + Sb =>
3 Fe + Sb2S3 = 3 FeS + 2 Sb
CUS + HNO3 = CU(NO3)2 + S8 + NO + H2O =>
24 CUS + 64 HNO3 = 24 CU(NO3)2 + 3 S8 + 16 NO + 32 H2O
N2O5 + H2O = HNO3 = = O2 =>
N2O5 + H2O = 2 HNO3
CH3CH(OH)COOH + Na2CO3 = CH3COONa + H2O + CO2 =>
4 CH3CH(OH)COOH + 3 Na2CO3 = 6 CH3COONa + 3 H2O + 3 CO2
C3H6(s) + O2(g) = H2O(g) + CO2(g) =>
2 C3H6(s) + 9 O2(g) = 6 H2O(g) + 6 CO2(g)
AlO2 + H2SO4 = AlSO5 + H2O =>
AlO2 + H2SO4 = AlSO5 + H2O
H2 + O5 = H2O =>
5 H2 + O5 = 5 H2O
(NH4)2(SO4) + Ca(OH)2 = (NH4)(OH) + Ca(SO4) =>
(NH4)2(SO4) + Ca(OH)2 = 2(NH4)(OH) + Ca(SO4)
CaC + H2O = CH2 + CaO =>
CaC + H2O = CH2 + CaO
SiO2 + NaOH = H2O + Na4SiO4 =>
SiO2 + 4 NaOH = 2 H2O + Na4SiO4
SiH4 + CCl4 = SiC + HCl =>
SiH4 + CCl4 = SiC + 4 HCl
A + B = A3B2 =>
3 A + 2 B = A3B2
CuSO4*2H2O = Cu(OH)2*H2SO4 =>
CuSO4*2H2O = Cu(OH)2*H2SO4
AgNO2 + HCl = HNO2 + AgCl =>
AgNO2 + HCl = HNO2 + AgCl
NH3 + H2O2 = N2 + H2O =>
2 NH3 + 3 H2O2 = N2 + 6 H2O
K2Cr2O7(aq) + FeSO4(aq) + H2SO4(aq) = Cr2(SO4)3(aq) + Fe2(SO4)3(aq) + K2SO4(aq) + H2O() =>
K2Cr2O7(aq) + 6 FeSO4(aq) + 7 H2SO4(aq) = Cr2(SO4)3(aq) + 3 Fe2(SO4)3(aq) + K2SO4(aq) + 7 H2O()
hydrogenperoxide = O2 + H2O =>
2 H2O2 = O2 + 2 H2O
AlO2 + H2SO4 = AlSO5 + H2O =>
AlO2 + H2SO4 = AlSO5 + H2O
CuO + Mg = MgO + Cu =>
CuO + Mg = MgO + Cu
H2 + O5 = H2O =>
5 H2 + O5 = 5 H2O
As + Cl2 = As2Cl =>
4 As + Cl2 = 2 As2Cl
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
CuSO4*2H2O = Cu(OH)2*H2SO4 =>
CuSO4*2H2O = Cu(OH)2*H2SO4
CF2Cl2 = CF2Cl + Cl2 =>
2 CF2Cl2 = 2 CF2Cl + Cl2
PH3 + O2 = P2O5 + H20O =>
40 PH3 + 53 O2 = 20 P2O5 + 6 H20O
Co + PO4 = CoPO4 =>
Co + PO4 = CoPO4
CH2 + NH3 = HCN + H2 =>
CH2 + NH3 = HCN + 2 H2
A + B = A3B2 =>
3 A + 2 B = A3B2
PH3 + O2 = P2O5 + H20O =>
40 PH3 + 53 O2 = 20 P2O5 + 6 H20O
MnCl2 + K4FeCN6 = Mn4(FeCN6)2 + KCl =>
4 MnCl2 + 2 K4FeCN6 = Mn4(FeCN6)2 + 8 KCl
Br2 + CaI2 = Br2I2 + Ca =>
Br2 + CaI2 = Br2I2 + Ca
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH2 + NH3 = HCN + H2 =>
CH2 + NH3 = HCN + 2 H2
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