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4 CO2 + 2 K2O = 4 KCO2 + O2
AsCl3 + H2S = As2S3 + HCl =>
2 AsCl3 + 3 H2S = As2S3 + 6 HCl
Mg + HBr = MgBr2 + H2 =>
Mg + 2 HBr = MgBr2 + H2
Na2CO3 + KOH = Na(OH) + K2CO3 =>
Na2CO3 + 2 KOH = 2 Na(OH) + K2CO3
BaOH2 + CIO3 = Ba(CIO3)2 + H2O =>
BaOH2 + 2 CIO3 = Ba(CIO3)2 + H2O
Al(NO3)3 + (NH4)2S + H2O = NH4NO3 + Al(OH)3 + H2S =>
2 Al(NO3)3 + 3(NH4)2S + 6 H2O = 6 NH4NO3 + 2 Al(OH)3 + 3 H2S
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
Au(HSO4)3 + BeCrO4 = Au2(CrO4)3 + Be(HSO4)2 =>
2 Au(HSO4)3 + 3 BeCrO4 = Au2(CrO4)3 + 3 Be(HSO4)2
NaHCO3 + HCl = NaCl + H2CO3 =>
NaHCO3 + HCl = NaCl + H2CO3
BaCl2 + Na2SO4 = NaCl + BaSO4 =>
BaCl2 + Na2SO4 = 2 NaCl + BaSO4
CaCl2 + HCl = Ca(HCl2) + Cl2 =>
2 CaCl2 + 2 HCl = 2 Ca(HCl2) + Cl2
Li(s) + AgNO3(aq) = LiNO3(aq) + Ag(s) =>
Li(s) + AgNO3(aq) = LiNO3(aq) + Ag(s)
CH3COONaCH3I = CH3COOCH3NaI =>
CH3COONaCH3I = CH3COOCH3NaI
Cu(OH)2 + Na2SO4 + HCl = CuSO4 + NaCl + H2O =>
Cu(OH)2 + Na2SO4 + 2 HCl = CuSO4 + 2 NaCl + 2 H2O
I{-} + IO3{-} + H{+} = I2 + H2O(I) =>
10 I{-} + 2 IO3{-} + 12 H{+} = 3 I2 + 6 H2O(I)
K2Cr2O7 + SnCl2 + H2SO4 = K2SO4 + Cr2(SO4)3 + Sn(SO4)2 + Cl2 + H2O =>
2 K2Cr2O7 + 3 SnCl2 + 14 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 3 Sn(SO4)2 + 3 Cl2 + 14 H2O
K2Cr2O7(aq) + SnCl2(aq) + HCl(aq) = CrCl3(aq) + SnCl4(aq) + KCl(aq) + H2O(l) =>
K2Cr2O7(aq) + 3 SnCl2(aq) + 14 HCl(aq) = 2 CrCl3(aq) + 3 SnCl4(aq) + 2 KCl(aq) + 7 H2O(l)
Zn + Pb(SO3)2 = Pb + ZnSO3 =>
2 Zn + Pb(SO3)2 = Pb + 2 ZnSO3
KY + AgNO3 = KNO3 + AgY =>
KY + AgNO3 = KNO3 + AgY
NaClO + Na2SO3 + NaOH = NaCl + Na2O + H2SO4 =>
NaClO + Na2SO3 + 2 NaOH = NaCl + 2 Na2O + H2SO4
H{+} + O2 + e = OH{-} =>
2 H{+} + O2 + 4e = 2 OH{-}
Cu(s) + H2SO4 = CuSO4(s) + SO2(g) + H2O(g) =>
Cu(s) + 2 H2SO4 = CuSO4(s) + SO2(g) + 2 H2O(g)
NH3 + NaNO2 = NH3Na + NO2 =>
NH3 + NaNO2 = NH3Na + NO2
Cr + S8 = Cr2S3 =>
16 Cr + 3 S8 = 8 Cr2S3
H2S + NaOH = Na2S + H2O =>
H2S + 2 NaOH = Na2S + 2 H2O
Pb + PbO2 + H{+} + HSO4{-} = PbSO4 + H2O =>
Pb + PbO2 + 2 H{+} + 2 HSO4{-} = 2 PbSO4 + 2 H2O
Cu(NH2CH2COO)2*H2O + O2 = CuO + H2O + CO2 + N2 =>
2 Cu(NH2CH2COO)2*H2O + 9 O2 = 2 CuO + 10 H2O + 8 CO2 + 2 N2
FeOHCI = FeCIOH =>
FeOHCI = FeCIOH
CuCO3 + H2SO4 = CuSO4 + H2O + CO2 =>
CuCO3 + H2SO4 = CuSO4 + H2O + CO2
Ag + NH3 = Ag(NH3)2 =>
Ag + 2 NH3 = Ag(NH3)2
(VO2)2SO4 + Zn + H2SO4 = VOSO4 + ZnSO4 + H2O =>
(VO2)2SO4 + Zn + 2 H2SO4 = 2 VOSO4 + ZnSO4 + 2 H2O
KOH + O2 = KO2 + OH =>
KOH + O2 = KO2 + OH
Zn(NO3)2ZnCl2 + NaOH = ZnO + NaNO3 + NaCl + H2O =>
Zn(NO3)2ZnCl2 + 4 NaOH = 2 ZnO + 2 NaNO3 + 2 NaCl + 2 H2O
ZnNO3 + KI = K2NO3 + ZnI2 =>
ZnNO3 + 2 KI = K2NO3 + ZnI2
Bi + NaOH + H2O = Na2[Bi(OH)6] + H2 =>
Bi + 2 NaOH + 4 H2O = Na2[Bi(OH)6] + 2 H2
CH3NH3Cl = HCl + CH3NH2 =>
CH3NH3Cl = HCl + CH3NH2
CuCl + Na2CO3 + C = Cu + NaCl + CO =>
2 CuCl + Na2CO3 + 2 C = 2 Cu + 2 NaCl + 3 CO
RbCl + H2SO4 = Rb2SO4 + HCl =>
2 RbCl + H2SO4 = Rb2SO4 + 2 HCl
Tb(NO3)3 + BeF2 = Be(NO3)2 + TbF3 =>
2 Tb(NO3)3 + 3 BeF2 = 3 Be(NO3)2 + 2 TbF3
P2O5 + H2O = HPO3 =>
P2O5 + H2O = 2 HPO3
Al + F2 = Al(F)3 =>
2 Al + 3 F2 = 2 Al(F)3
CuSO4 + Cu(OH)2 = [Cu(OH)]2SO4 =>
CuSO4 + Cu(OH)2 = [Cu(OH)]2SO4
SnCl4 + Na2S = SnS2 + NaCl =>
SnCl4 + 2 Na2S = SnS2 + 4 NaCl
CrCl = Cr + Cl2 =>
2 CrCl = 2 Cr + Cl2
Cd(CH3COO)2 + H2S = CdS + CH3COOH =>
Cd(CH3COO)2 + H2S = CdS + 2 CH3COOH
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NClO3 = NCl + O2 =>
2 NClO3 = 2 NCl + 3 O2
NH3 + NaNO2 = NH3Na + NO2 =>
NH3 + NaNO2 = NH3Na + NO2
NaClH2SO4 = NaHSO4HCl =>
NaClH2SO4 = NaHSO4HCl
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
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