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Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Na + O = Na2O =>
2 Na + O = Na2O
C5H8 + O2 = CO2 + H2O =>
C5H8 + 7 O2 = 5 CO2 + 4 H2O
Ca(OH) = Ca + OH =>
Ca(OH) = Ca + OH
NaCl(aq) + Mg(NO3)2(aq) = NaNO3(aq) + MgCl2(aq) =>
2 NaCl(aq) + Mg(NO3)2(aq) = 2 NaNO3(aq) + MgCl2(aq)
Cu(CH3COO)2 + H2S = CuS + CH3COOH =>
Cu(CH3COO)2 + H2S = CuS + 2 CH3COOH
Ti + Si = TiSi2 =>
Ti + 2 Si = TiSi2
Co(salen) + O2 = [Co(salen)]2O2 =>
2 Co(salen) + O2 = [Co(salen)]2O2
Al + F2 = AlF3 =>
2 Al + 3 F2 = 2 AlF3
Fe{+2} + H{+} + NO3 = Fe{+3} + NO + H2O =>
4 Fe{+2} + 4 H{+} + NO3 = 4 Fe{+3} + NO + 2 H2O
K2SO4(aq) + Ba(OH)2 = BaSO4(s) + KOH(aq) =>
K2SO4(aq) + Ba(OH)2 = BaSO4(s) + 2 KOH(aq)
C2O4H2 + NaOH = C2O4Na2 + H2O =>
C2O4H2 + 2 NaOH = C2O4Na2 + 2 H2O
C5H9O + O2 = CO2 + H2O =>
4 C5H9O + 27 O2 = 20 CO2 + 18 H2O
MnO4{-} + ClO3{-} = MnO2{-} + ClO4{-} =>
MnO4{-} + 2 ClO3{-} = MnO2{-} + 2 ClO4{-}
Na2SO4 + BaCO3 = BaSO4 + Na2CO3 =>
Na2SO4 + BaCO3 = BaSO4 + Na2CO3
NH3 = N + H =>
NH3 = N + 3 H
SO2 + OH = HOSO2 =>
SO2 + OH = HOSO2
D2 + O2 = D2O =>
2 D2 + O2 = 2 D2O
Fe + CO2 = Fe2O3 + C =>
4 Fe + 3 CO2 = 2 Fe2O3 + 3 C
KMn + HCl = H2 + KCl + MnCl2 =>
2 KMn + 6 HCl = 3 H2 + 2 KCl + 2 MnCl2
C4H8O2 + H2O = CH3COOH + C2H6O =>
C4H8O2 + H2O = CH3COOH + C2H6O
Al + HNO3 = AlNO33 + N2O + H2O =>
8 Al + 130 HNO3 = 8 AlNO33 + 61 N2O + 65 H2O
CH3CH2HO + O2 = H2O + CH3COOH =>
CH3CH2HO + O2 = H2O + CH3COOH
CH3CH2CH2COH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2CH2COOH + H2O =>
3 CH3CH2CH2COH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3CH2CH2COOH + 4 H2O
HCIO = HCI + O2 =>
2 HCIO = 2 HCI + O2
K2CO3 + HNO3 = K2CO3(HNO3)2 =>
K2CO3 + 2 HNO3 = K2CO3(HNO3)2
C25H52 + O2 = CO2 + H2O =>
C25H52 + 38 O2 = 25 CO2 + 26 H2O
HNO3 + H2O = H3O + NO3 =>
HNO3 + H2O = H3O + NO3
K2CrO4 + HCl = CrCl3 + Cl2 + H2O + KCl =>
2 K2CrO4 + 16 HCl = 2 CrCl3 + 3 Cl2 + 8 H2O + 4 KCl
Fe + NaOH + H2O = Na3[Fe(OH)6] + H2 =>
2 Fe + 6 NaOH + 6 H2O = 2 Na3[Fe(OH)6] + 3 H2
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
MgCl2 + NaOH = Mg(OH)2 + NaCl =>
MgCl2 + 2 NaOH = Mg(OH)2 + 2 NaCl
Cr2O3 + NaOH + NaClO = Na2Cr2O7 + NaCl + H2O =>
Cr2O3 + 2 NaOH + 3 NaClO = Na2Cr2O7 + 3 NaCl + H2O
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
C15H31COONa + Ca(HCO3)2 = (C15H31COO)2Ca + NaHCO3 =>
2 C15H31COONa + Ca(HCO3)2 = (C15H31COO)2Ca + 2 NaHCO3
Ce2 + KOH = KCe + KCeO3 + H2O =>
3 Ce2 + 6 KOH = 5 KCe + KCeO3 + 3 H2O
HC2H3O2 + KNO2 = KC2H3O2 + HNO2 =>
HC2H3O2 + KNO2 = KC2H3O2 + HNO2
ZnO + Fe2O3 = ZnFe2O4 =>
ZnO + Fe2O3 = ZnFe2O4
C6H22 + O2 = CO2 + H2O =>
2 C6H22 + 23 O2 = 12 CO2 + 22 H2O
N4 + S2 = N2S3 =>
N4 + 3 S2 = 2 N2S3
Al(s) + NaCl(aq) = Na(s) + AlCl3(s) =>
Al(s) + 3 NaCl(aq) = 3 Na(s) + AlCl3(s)
Na + H2SO4 = H2 + Na2SO4 =>
2 Na + H2SO4 = H2 + Na2SO4
Cu + K2Cr2O7 + H2SO4 = CuSO4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 Cu + K2Cr2O7 + 7 H2SO4 = 3 CuSO4 + Cr2(SO4)3 + K2SO4 + 7 H2O
(NH4)2SO4 + Mg(NO3)2 = NH4NO3 + MgSO4 =>
(NH4)2SO4 + Mg(NO3)2 = 2 NH4NO3 + MgSO4
V + V2O5 = VO =>
3 V + V2O5 = 5 VO
Cu(OH)2 + NaOH = Cu(OH)6 + Na =>
Cu(OH)2 + 4 NaOH = Cu(OH)6 + 4 Na
Ni + H3PO4 = NiPO4 + H =>
Ni + H3PO4 = NiPO4 + 3 H
CaSiO3 + H2O = SiO2 + Ca(OH)2 =>
CaSiO3 + H2O = SiO2 + Ca(OH)2
K2Cr2O7 + HI + HCl = KCl + CrCl3 + I2 + H2O =>
K2Cr2O7 + 6 HI + 8 HCl = 2 KCl + 2 CrCl3 + 3 I2 + 7 H2O
Pb(NO3)2 + AgI = AgNO3 + PbI2 =>
Pb(NO3)2 + 2 AgI = 2 AgNO3 + PbI2
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