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4 KO2 + 2 CO2 = 2 K2CO3 + 3 O2(g)
P4 + Ca = Ca3P2 =>
P4 + 6 Ca = 2 Ca3P2
Na2HAsO3 + KBrO3 + HCl = NaCl + KBr + H3AsO4 =>
3 Na2HAsO3 + KBrO3 + 6 HCl = 6 NaCl + KBr + 3 H3AsO4
FeO + HNO3 = Fe(NO3)2 + H2O =>
FeO + 2 HNO3 = Fe(NO3)2 + H2O
PbCl2(s) = Pb + Cl2 =>
PbCl2(s) = Pb + Cl2
Mg(OH)2 + HCOO = MgHCOO2 + H2O =>
Mg(OH)2 + HCOO = MgHCOO2 + H2O
LiCl + HgSO4 = LiSO4 + Hg2Cl2 =>
2 LiCl + 2 HgSO4 = 2 LiSO4 + Hg2Cl2
Na + S = Na22S =>
22 Na + S = Na22S
KClO3 + F = FClO3 + K =>
KClO3 + F = FClO3 + K
K2CO3 + H2SO4 = H2CO3 + K2SO4 =>
K2CO3 + H2SO4 = H2CO3 + K2SO4
Ba(NO3)2(aq) + NH2SO3H(aq) + H2O = Ba(NH2)2 + H2SO4(aq) + HNO3(aq) =>
Ba(NO3)2(aq) + 2 NH2SO3H(aq) + 2 H2O = Ba(NH2)2 + 2 H2SO4(aq) + 2 HNO3(aq)
KI + Cu(NO3)2 = I2 + Cu + KNO3 =>
2 KI + Cu(NO3)2 = I2 + Cu + 2 KNO3
Na2HAsO3 + KBrO3 + HCl = NaCl + KBr + H3AsO4 =>
3 Na2HAsO3 + KBrO3 + 6 HCl = 6 NaCl + KBr + 3 H3AsO4
KlO3 = Kl + O2 =>
2 KlO3 = 2 Kl + 3 O2
Al(OH)3 + KCl = AlCl3 + KOH =>
Al(OH)3 + 3 KCl = AlCl3 + 3 KOH
CH2CH2CHO + Cu(OH)2 + NaOH = HCOONa + Cu2O + H2O =>
2 CH2CH2CHO + 18 Cu(OH)2 + 6 NaOH = 6 HCOONa + 9 Cu2O + 23 H2O
C4H8 + O2 = C5H8O + H2O =>
5 C4H8 + 4 O2 = 4 C5H8O + 4 H2O
H2SO4 + CO3 = CO3SO4 + H2 =>
H2SO4 + CO3 = CO3SO4 + H2
KHSO4 + NaNO3 = NaHSO4 + KNO3 =>
KHSO4 + NaNO3 = NaHSO4 + KNO3
NH4SO3 + KOH = NH4OH + KSO3 =>
NH4SO3 + KOH = NH4OH + KSO3
CH3CH2Br + Mg = C2H5MgBr =>
CH3CH2Br + Mg = C2H5MgBr
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KClO3 + F = FClO3 + K =>
KClO3 + F = FClO3 + K
LiClO3 + Au2(SO3)3 = Au(ClO3)3 + Li2SO3 =>
6 LiClO3 + Au2(SO3)3 = 2 Au(ClO3)3 + 3 Li2SO3
KClO3 + F = FClO3 + K =>
KClO3 + F = FClO3 + K
S2O3{2-} + OH{-} = SO4{2-} + H2O + {-} =>
S2O3{2-} + 10 OH{-} = 2 SO4{2-} + 5 H2O + 8e
Na2HAsO3 + KBrO3 + HCl = NaCl + KBr + H3AsO4 =>
3 Na2HAsO3 + KBrO3 + 6 HCl = 6 NaCl + KBr + 3 H3AsO4
KClO3 + F = FClO3 + K =>
KClO3 + F = FClO3 + K
HClO2 + NaOH = HClOH + Na(O2) =>
HClO2 + NaOH = HClOH + Na(O2)
KMnO4 + C2H5O = MnO2 + CH3CHO + KOH + H2O =>
KMnO4 + 3 C2H5O = MnO2 + 3 CH3CHO + KOH + H2O
Na + Al(C2H3O2)3 = Na(C2H3O2) + Al =>
3 Na + Al(C2H3O2)3 = 3 Na(C2H3O2) + Al
KClO3 + F = FClO3 + K =>
KClO3 + F = FClO3 + K
Fe(CrO2) + K2CO3 + O2 = Fe2O3 + K2CrO4 + CO2 =>
4 Fe(CrO2) + 4 K2CO3 + 5 O2 = 2 Fe2O3 + 4 K2CrO4 + 4 CO2
K(s) + H2O = KOH(ag) + H2(g) =>
2 K(s) + 2 H2O = 2 KOH(ag) + H2(g)
KClO3 + F = FClO3 + K =>
KClO3 + F = FClO3 + K
C12H22O6 + H2O = C2H6O + CO2 =>
6 C12H22O6 + 21 H2O = 29 C2H6O + 14 CO2
Na2CO3 + CH3CH2OH = Na2 + CH3COOH + H2O =>
2 Na2CO3 + 3 CH3CH2OH = 2 Na2 + 4 CH3COOH + H2O
HCl + MgO = HClMgO =>
HCl + MgO = HClMgO
C7H15Br + C4H9KO = C8H16 + HC4H9KO + Br =>
8 C7H15Br + 8 C4H9KO = 7 C8H16 + 8 HC4H9KO + 8 Br
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
KMnO4 + NaNO2 + H2SO4 = KMn(SO4)2 + H2O + NaNO3 =>
KMnO4 + 2 NaNO2 + 2 H2SO4 = KMn(SO4)2 + 2 H2O + 2 NaNO3
KClO3 + F = FClO3 + K =>
KClO3 + F = FClO3 + K
Pb(NO3)2(aq) + (NH4)2S(aq) = NH4NO3 + PbS =>
Pb(NO3)2(aq) + (NH4)2S(aq) = 2 NH4NO3 + PbS
Na2CO3 + H2SO4 = Na2SO4 + H + CO3 =>
Na2CO3 + H2SO4 = Na2SO4 + 2 H + CO3
N2 + O2 = NO =>
N2 + O2 = 2 NO
NO3 + H2O = HNO3 + OH =>
NO3 + H2O = HNO3 + OH
W(OH)6 + H2SO4 = WSO4 + H2(OH)6 =>
W(OH)6 + H2SO4 = WSO4 + H2(OH)6
C2H13 + O2 = CO2 + H2O =>
4 C2H13 + 21 O2 = 8 CO2 + 26 H2O
NaNO{3} = NaNO{2} + {2} =>
2 NaNO{3} = 2 NaNO{2} + {2}
KClO3 + F = FClO3 + K =>
KClO3 + F = FClO3 + K
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