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CH3CH2Br + NaOH = CH3CH2ONa + HBr
K2S + Pb(CH3COO)2 = PbS + CH3COOK =>
K2S + Pb(CH3COO)2 = PbS + 2 CH3COOK
C6H5CH3 + CH3Cl = C6H4(CH3)2 + HCl =>
C6H5CH3 + CH3Cl = C6H4(CH3)2 + HCl
Cr(OH)3 + Na(OH) + H2O2 = Na2CrO4 + H2O =>
2 Cr(OH)3 + 4 Na(OH) + 3 H2O2 = 2 Na2CrO4 + 8 H2O
Br2 + KI = KBr + I =>
Br2 + 2 KI = 2 KBr + 2 I
HS = H2 + S =>
2 HS = H2 + 2 S
K2Cr2O7 + HCl + Zn = CrCl3 + ZnCl2 + KCl + H2O =>
K2Cr2O7 + 14 HCl + 3 Zn = 2 CrCl3 + 3 ZnCl2 + 2 KCl + 7 H2O
SiH4 + NH3 = Si3NH4 + H =>
3 SiH4 + NH3 = Si3NH4 + 11 H
Cu(NO3)2 + Co(s) = Co(NO3)3 + Cu(s) =>
3 Cu(NO3)2 + 2 Co(s) = 2 Co(NO3)3 + 3 Cu(s)
BCl4 = B + Cl2 =>
BCl4 = B + 2 Cl2
C15H16O2 + COCl2 + NaOH = (OC6H4C(CH3)2C6H4OCO)50 + NaCl + H2O =>
50 C15H16O2 + 50 COCl2 + 100 NaOH = (OC6H4C(CH3)2C6H4OCO)50 + 100 NaCl + 100 H2O
Fe3 + Cl2 = FeCl3 =>
2 Fe3 + 9 Cl2 = 6 FeCl3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
KNO3 + H2SO4 + Fe = K2SO4 + NO2 + FeSO4 + H2O =>
2 KNO3 + 2 H2SO4 + Fe = K2SO4 + 2 NO2 + FeSO4 + 2 H2O
Fe(OH)2 + H2 + Cl = H2O + FeCl2 =>
Fe(OH)2 + H2 + 2 Cl = 2 H2O + FeCl2
H{+} + As2S3 + NO3{-} = HAsO3 + SO4{2-} + NO + H2O =>
10 H{+} + 3 As2S3 + 28 NO3{-} = 6 HAsO3 + 9 SO4{2-} + 28 NO + 2 H2O
CrSO4 + Br2 + NaOH = Na2CrO4 + NaBr + NaSO4 + H2O =>
2 CrSO4 + 5 Br2 + 16 NaOH = 2 Na2CrO4 + 10 NaBr + 2 NaSO4 + 8 H2O
H2 + OH{-} = H2O + e =>
H2 + 2 OH{-} = 2 H2O + 2e
NH4I + K2CO3 = (NH4)2CO3 + KI =>
2 NH4I + K2CO3 = (NH4)2CO3 + 2 KI
CH3CH2NH2 + NaOH = CH3CH2NH3 + Na + O =>
CH3CH2NH2 + NaOH = CH3CH2NH3 + Na + O
SiCl4(l) + H2O(l) = Si(OH)4(aq) + HCl(aq) =>
SiCl4(l) + 4 H2O(l) = Si(OH)4(aq) + 4 HCl(aq)
K2Cr2O7 + C2H4O = KCr + C2H2O7 + H2O =>
K2Cr2O7 + C2H4O = 2 KCr + C2H2O7 + H2O
NaClO3 + H2SO4 = HClO4 + ClO2 + Na2SO4 + H2O =>
6 NaClO3 + 3 H2SO4 = 2 HClO4 + 4 ClO2 + 3 Na2SO4 + 2 H2O
LiBr + CaS = Li2S + CaBr2 =>
2 LiBr + CaS = Li2S + CaBr2
H2O2(aq) = H2O(l) + O2(g) =>
2 H2O2(aq) = 2 H2O(l) + O2(g)
N + SO4 = N2SO4 =>
2 N + SO4 = N2SO4
Fe + ClO3 = FeClO3 =>
Fe + ClO3 = FeClO3
PCl5 = PCl3 + Cl2(g) =>
PCl5 = PCl3 + Cl2(g)
HCl + K{+2}SO{+3} = KCl + H{+2}SO{+3} =>
HCl + K{+2}SO{+3} = KCl + H{+2}SO{+3}
FeAsS + O2 = Fe2O3 + As2O3 + SO2 =>
2 FeAsS + 5 O2 = Fe2O3 + As2O3 + 2 SO2
Fe(OH)2 + K2CrO4 + H2O = Fe(OH)3 + KCr(OH)4 + KOH =>
3 Fe(OH)2 + K2CrO4 + 4 H2O = 3 Fe(OH)3 + KCr(OH)4 + KOH
CH4 + NH3 + H2S = C2H5NS + H2 =>
2 CH4 + NH3 + H2S = C2H5NS + 4 H2
Ag(NO3)2 + NaBr = AgBr + Na(NO3)2 =>
Ag(NO3)2 + NaBr = AgBr + Na(NO3)2
Br2 + KI = KBr + I2 =>
Br2 + 2 KI = 2 KBr + I2
NiBr2 + Fe = FeBr2 + Ni =>
NiBr2 + Fe = FeBr2 + Ni
Br2 + KI = KBr + I2 =>
Br2 + 2 KI = 2 KBr + I2
Ca5(PO4)3OH + H2O + H2S = CaSO4 + H + P =>
Ca5(PO4)3OH + 7 H2O + 5 H2S = 5 CaSO4 + 25 H + 3 P
Ca(C3H5O3)2 + K2CO3 = CaCO3 + K(C3H5O3) =>
Ca(C3H5O3)2 + K2CO3 = CaCO3 + 2 K(C3H5O3)
NaClO3 + KI + (HCl) = NaCl + KCl + H2O + I2 =>
NaClO3 + 6 KI + 6(HCl) = NaCl + 6 KCl + 3 H2O + 3 I2
Ca(OH)2 + K2CO3 = KOH + CaCO3 =>
Ca(OH)2 + K2CO3 = 2 KOH + CaCO3
Zn + Cu(SO4) = Zn2(SO4)2 + Cu =>
2 Zn + 2 Cu(SO4) = Zn2(SO4)2 + 2 Cu
CH3CH(OH)CH2CH3 + CuO = CH3COCH3 + Cu + H2O =>
3 CH3CH(OH)CH2CH3 + 4 CuO = 4 CH3COCH3 + 4 Cu + 3 H2O
SnO + CaO = CaSnO2 =>
SnO + CaO = CaSnO2
Ni = Ni{2+} + e =>
Ni = Ni{2+} + 2e
Al2O3(g) = Al(g) + O2(g) =>
2 Al2O3(g) = 4 Al(g) + 3 O2(g)
K(s) + AgNO3(aq) = KNO3(aq) + Ag(s) =>
K(s) + AgNO3(aq) = KNO3(aq) + Ag(s)
Pb(NO3)2() + K2CrO4() = PbCrO4() + KNO3() =>
Pb(NO3)2() + K2CrO4() = PbCrO4() + 2 KNO3()
H2O2 + Cr2O7{2-} = O2 + Cr{3+} + OH{-} =>
8 H2O2 + 2 Cr2O7{2-} = 7 O2 + 4 Cr{3+} + 16 OH{-}
C2H2 + CO2 + H2O = CH2CHCO2 =>
11 C2H2 + 8 CO2 + 4 H2O = 10 CH2CHCO2
C6H5MgBr + C13H10O + H3O = C19H16O + MgOHBr =>
36 C6H5MgBr + 55 C13H10O + 30 H3O = 49 C19H16O + 36 MgOHBr
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