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4 KO2 + 2 H2O + 4 CO2 = 3 O2 + 4 KHCO3
CaO + C = CaC2 + CO =>
CaO + 3 C = CaC2 + CO
MgSO4 + H2O = Mg(OH)2 + SO3 =>
MgSO4 + H2O = Mg(OH)2 + SO3
Fe + HF = FeF4 + H2 =>
Fe + 4 HF = FeF4 + 2 H2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
NACl + H2SO4 = NAHSO4 + HCl =>
NACl + H2SO4 = NAHSO4 + HCl
H2C6H6O6 + OH = C6H6O6 + H2O =>
H2C6H6O6 + 2 OH = C6H6O6 + 2 H2O
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
NO2 + NaOH = NaNO3 + NaNO2 + H2O =>
2 NO2 + 2 NaOH = NaNO3 + NaNO2 + H2O
PbS + H2O2 = PbSO4 + H2O =>
PbS + 4 H2O2 = PbSO4 + 4 H2O
N2 + K = K3N =>
N2 + 6 K = 2 K3N
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
HCl + K = H + KCl =>
HCl + K = H + KCl
C5H12 + O2 = C + H2O =>
C5H12 + 3 O2 = 5 C + 6 H2O
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
Ca + H2O = CaO + H2 =>
Ca + H2O = CaO + H2
Au + HNO3 + HCl = HAuCl4 + NO2 + H2O =>
Au + 3 HNO3 + 4 HCl = HAuCl4 + 3 NO2 + 3 H2O
H2SO4 + NaOH = SO4Na + H2OH =>
H2SO4 + NaOH = SO4Na + H2OH
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe + HF = FeF3 + H2 =>
2 Fe + 6 HF = 2 FeF3 + 3 H2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
PbS + HNO3 = PbSO4 + NO + H2O =>
3 PbS + 8 HNO3 = 3 PbSO4 + 8 NO + 4 H2O
Fe + HF = FeF2 + H2 =>
Fe + 2 HF = FeF2 + H2
LiCl(aq) + AgNO3(aq) = LiNO3 + AgCl =>
LiCl(aq) + AgNO3(aq) = LiNO3 + AgCl
CuFeS2 + HNO3 = Cu(NO3)2 + Fe(NO3)3 + H2SO4 + NO + H2O =>
3 CuFeS2 + 32 HNO3 = 3 Cu(NO3)2 + 3 Fe(NO3)3 + 6 H2SO4 + 17 NO + 10 H2O
CaSO4 + H2O = CaO + H2SO4 =>
CaSO4 + H2O = CaO + H2SO4
ZN + HNO3 = ZN(NO3)2 + N2O + H2O =>
4 ZN + 10 HNO3 = 4 ZN(NO3)2 + N2O + 5 H2O
Fe + HBr = H2 + FeBr2 =>
Fe + 2 HBr = H2 + FeBr2
Al2(SO4)3 + NaOH = Na2SO4 + Al(OH)3 =>
Al2(SO4)3 + 6 NaOH = 3 Na2SO4 + 2 Al(OH)3
Ca(NO3)2 + Na3PO4 = Ca3(PO4)2 + NaNO3 =>
3 Ca(NO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaNO3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Cu + HNO3 = Cu(NO3)2 + NH3 + H2O =>
4 Cu + 9 HNO3 = 4 Cu(NO3)2 + NH3 + 3 H2O
Cu2SFeS2 + HNO3 = Cu(NO3)2 + Fe(NO3)3 + NO + H2SO4 + H2O =>
3 Cu2SFeS2 + 46 HNO3 = 6 Cu(NO3)2 + 3 Fe(NO3)3 + 25 NO + 9 H2SO4 + 14 H2O
(NH4)2S + H2SO4 = (NH4)2SO4 + H2S =>
(NH4)2S + H2SO4 = (NH4)2SO4 + H2S
Fe(OH)3 + H2C2O4 = H2O + Fe2(C2O4)3 =>
2 Fe(OH)3 + 3 H2C2O4 = 6 H2O + Fe2(C2O4)3
Na2S + Na2Cr2O7 + HCl = S8 + CrCl2 + NaCl + H2O =>
8 Na2S + 2 Na2Cr2O7 + 28 HCl = S8 + 4 CrCl2 + 20 NaCl + 14 H2O
NaCl + H2So4 = Na2So4 + HCl =>
2 NaCl + H2So4 = Na2So4 + 2 HCl
FECl3 + H2S = FECl2 + S + HCl =>
2 FECl3 + H2S = 2 FECl2 + S + 2 HCl
CaSO4 + SiO2 + C = CaSiO3 + CO + S =>
CaSO4 + SiO2 + 3 C = CaSiO3 + 3 CO + S
C6H12O6 + O6 = CO2 + H2O =>
C6H12O6 + 2 O6 = 6 CO2 + 6 H2O
CaCO3 + HCl = H2CO3 + CaCl2 =>
CaCO3 + 2 HCl = H2CO3 + CaCl2
Ag + HNO3 = AgNO3 + NH3 + H2O =>
8 Ag + 9 HNO3 = 8 AgNO3 + NH3 + 3 H2O
ZN + HCl = ZNCl2 + H2 =>
ZN + 2 HCl = ZNCl2 + H2
CuSo4(ac) + NH3(ac) = [Cu(NH3)4]So4(ac) =>
CuSo4(ac) + 4 NH3(ac) = [Cu(NH3)4]So4(ac)
K2Cr2O7 + SnCl2 + HCl = CrCl3 + SnCl4 + KCl + H2O =>
K2Cr2O7 + 3 SnCl2 + 14 HCl = 2 CrCl3 + 3 SnCl4 + 2 KCl + 7 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
B(OH)3 + NaOH = Na3BO3 + H2O =>
B(OH)3 + 3 NaOH = Na3BO3 + 3 H2O
AlO + HNo = AlNo + HO =>
AlO + HNo = AlNo + HO
Al{3+} + S{2-} + H2O = Al(OH)3 + H2S =>
2 Al{3+} + 3 S{2-} + 6 H2O = 2 Al(OH)3 + 3 H2S
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