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8 W + 21 HCl + 3 HClO4 = 8 WCl3 + 12 H2O
Pb(NO3)2 + Na2CO3 = (NO3)2Na2 + Pb2(CO3)2 =>
2 Pb(NO3)2 + 2 Na2CO3 = 2(NO3)2Na2 + Pb2(CO3)2
BaCl2(s) + H2O(l) = Ba(OH)2(aq) + HCl(aq) =>
BaCl2(s) + 2 H2O(l) = Ba(OH)2(aq) + 2 HCl(aq)
AgNO3 + I2 = Ag + I2NO3 =>
AgNO3 + I2 = Ag + I2NO3
Fe2 + S = FeS2 =>
Fe2 + 4 S = 2 FeS2
NaI + H2SO4 + MnO2 = NaSO4 + MnSO4 + H2O + I2 =>
2 NaI + 4 H2SO4 + 2 MnO2 = 2 NaSO4 + 2 MnSO4 + 4 H2O + I2
HNO3 + Br = HBrO3 + NO2 + H2O =>
5 HNO3 + Br = HBrO3 + 5 NO2 + 2 H2O
K2MnO4 + NaNO2 + H2SO4 = MnSO4 + KNO3 + Na2SO4 + H2O =>
K2MnO4 + 2 NaNO2 + 2 H2SO4 = MnSO4 + 2 KNO3 + Na2SO4 + 2 H2O
KNO3 + H3PO4 = HNO3 + KH2PO4 =>
KNO3 + H3PO4 = HNO3 + KH2PO4
Al + Na2S = Al2S3 + Na =>
2 Al + 3 Na2S = Al2S3 + 6 Na
ZnSO4 + Al = (Al2SO4)3 + Zn =>
3 ZnSO4 + 6 Al = (Al2SO4)3 + 3 Zn
H2S2O3 = SO2 + H2O + S =>
H2S2O3 = SO2 + H2O + S
CaCO3(s)HNO3 = CaNO3HCO3 =>
CaCO3(s)HNO3 = CaNO3HCO3
ZnO + H2O = H2 + ZnO2 =>
ZnO + H2O = H2 + ZnO2
Fe{3}{+} + ZnO + H2O = Fe(OH)3 + Zn{2}{+} =>
2 Fe{3}{+} + 3 ZnO + 3 H2O = 2 Fe(OH)3 + 3 Zn{2}{+}
Sb2S3 + NaOH = Na3[SbS3] + Na[Sb(OH)4] =>
Sb2S3 + 4 NaOH = Na3[SbS3] + Na[Sb(OH)4]
HgCl + NaOH + NH4Cl = Hg(NH3)2Cl + NaCl + H2O =>
HgCl + 2 NaOH + 2 NH4Cl = Hg(NH3)2Cl + 2 NaCl + 2 H2O
CH2CH2 + KMnO4 + KOH = CH2OHCH2OH + K2MnO4 =>
CH2CH2 + 2 KMnO4 + 2 KOH = CH2OHCH2OH + 2 K2MnO4
C4H9I + NH3 = C4H9NH3 + I2 =>
2 C4H9I + 2 NH3 = 2 C4H9NH3 + I2
NO + KI = NK + OI =>
NO + KI = NK + OI
H2SO3(aq) = H2O(l) + SO2(g) =>
H2SO3(aq) = H2O(l) + SO2(g)
PO2 = P2 + O5 =>
10 PO2 = 5 P2 + 4 O5
As(HCO3)3 = As2O3 + CO2 + H2O =>
2 As(HCO3)3 = As2O3 + 6 CO2 + 3 H2O
CH3COON + H2O = OH + CH4COON =>
CH3COON + H2O = OH + CH4COON
C4H8 = C2 + H2 =>
C4H8 = 2 C2 + 4 H2
Fe3 + CuCl2 = FeCl + Cu =>
2 Fe3 + 3 CuCl2 = 6 FeCl + 3 Cu
CH3COOHNaCl = Na(CH3COO)HCl =>
CH3COOHNaCl = Na(CH3COO)HCl
CH3CH2OHCUO = CH3COOHH2CU =>
CH3CH2OHCUO = CH3COOHH2CU
Ca = Ca{2+} + e =>
Ca = Ca{2+} + 2e
C10H16ClNO + HI + P = C10H15N + PI3 + H2O + Cl =>
3 C10H16ClNO + 3 HI + P = 3 C10H15N + PI3 + 3 H2O + 3 Cl
KCl + S = K2S + Cl2 =>
2 KCl + S = K2S + Cl2
AsO43{-} + I{-} + H{+} = AsO33{-} + I2 + H2O =>
AsO43{-} + 20 I{-} + 20 H{+} = AsO33{-} + 10 I2 + 10 H2O
ZnOHNO3 + KOH = Zn(OH)2 + KNO3 =>
ZnOHNO3 + KOH = Zn(OH)2 + KNO3
CuSO4 + Na2CO3 + CH3COCH2COCH3 = Cu(CH3COCH2COCH3)2 + Na2SO4 + CO2 + O2 =>
2 CuSO4 + 2 Na2CO3 + 4 CH3COCH2COCH3 = 2 Cu(CH3COCH2COCH3)2 + 2 Na2SO4 + 2 CO2 + O2
Al + Fe{2} = Fe + Al{3} =>
2 Al + 3 Fe{2} = 3 Fe + 2 Al{3}
CuO + CO2 + H2O = Cu2(OH)2CO3 =>
2 CuO + CO2 + H2O = Cu2(OH)2CO3
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2
CaCO3(aq) + HBr(aq) = CO2(g) + H2O(l) + CaBr2(aq) =>
CaCO3(aq) + 2 HBr(aq) = CO2(g) + H2O(l) + CaBr2(aq)
Cr2(SO4)3 + Na2S2O8 + NaOH = Na2SO4 + Na2CrO4 + H2O =>
Cr2(SO4)3 + 3 Na2S2O8 + 16 NaOH = 9 Na2SO4 + 2 Na2CrO4 + 8 H2O
AgNO3 + HNO3 = Ag(NO3)2 + H2 =>
2 AgNO3 + 2 HNO3 = 2 Ag(NO3)2 + H2
FeCl3 + K3[Fe(CSN)6] = Fe3[Fe(CSN)6]3 + KCl =>
3 FeCl3 + 3 K3[Fe(CSN)6] = Fe3[Fe(CSN)6]3 + 9 KCl
Na2SiO3 + CO3 = Na2CO3 + SiO3 =>
Na2SiO3 + CO3 = Na2CO3 + SiO3
C6H5C2H5 + KMnO4 = C6H5COOK + CO2 + KOH + MnO2 =>
3 C6H5C2H5 + 22 KMnO4 = 2 C6H5COOK + 10 CO2 + 20 KOH + 22 MnO2
Li2SO4(aq) + NH4OH(aq) = LiOH(aq) + (NH4)2SO4(aq) =>
Li2SO4(aq) + 2 NH4OH(aq) = 2 LiOH(aq) + (NH4)2SO4(aq)
ZnS + KNO3 = N2 + K2SO4 + ZnO + SO3 =>
5 ZnS + 8 KNO3 = 4 N2 + 4 K2SO4 + 5 ZnO + SO3
IO3{-} + SO32{-} + H{+} = I2 + SO42{-} + H2O =>
4 IO3{-} + SO32{-} + 4 H{+} = 2 I2 + SO42{-} + 2 H2O
CH3CH2CH2CH2OH + Cr2O7{-2} + H{+} = CH3CH2CH2CHO + Cr{+3} + H2O =>
3 CH3CH2CH2CH2OH + Cr2O7{-2} + 8 H{+} = 3 CH3CH2CH2CHO + 2 Cr{+3} + 7 H2O
C8H8O2 + C8H8O = C16H14O2 + H2O =>
C8H8O2 + C8H8O = C16H14O2 + H2O
KBrO3 + H2SO4 + FeSO4 = K2SO4 + Fe2(SO4)3 + Br2 + H2O =>
2 KBrO3 + 6 H2SO4 + 10 FeSO4 = K2SO4 + 5 Fe2(SO4)3 + Br2 + 6 H2O
H2SO4(aq)Na2CO3(s) = Na2SO4(aq)H2OCO2(g) =>
H2SO4(aq)Na2CO3(s) = Na2SO4(aq)H2OCO2(g)
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