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PbS(s) + 4 H2O2(aq) = PbSO4(s) + 4 H2O
MnSO4 + NaOH + Br2 = Na2MnO4 + Na2SO4 + HBr =>
MnSO4 + 4 NaOH + 2 Br2 = Na2MnO4 + Na2SO4 + 4 HBr
Ni(OH)2 + HNO3 = H2O + Ni + NO3 =>
Ni(OH)2 + 2 HNO3 = 2 H2O + Ni + 2 NO3
Na2WO4 + Zn + HCl = W20O58 + NaCl + ZnCl2 + H2O =>
20 Na2WO4 + 2 Zn + 44 HCl = W20O58 + 40 NaCl + 2 ZnCl2 + 22 H2O
CH3CH(NH2)COOH(aq) + NaOH(aq) = CH3CH(NH2)COONa(aq) + H2O(l) =>
CH3CH(NH2)COOH(aq) + NaOH(aq) = CH3CH(NH2)COONa(aq) + H2O(l)
Zn + H2O = (t)Zn(OH)2 + H2 =>
Zn + 2 H2O = (t)Zn(OH)2 + H2
HNO3 + CaCO3 = CO2 + Ca(NO3)2 + H2O =>
2 HNO3 + CaCO3 = CO2 + Ca(NO3)2 + H2O
SO3{2-} + ZnSO4 + [Fe(CN)5NO]{2-} = Zn2[Fe(CN)5NO(SO3)] + SO4{2-} =>
SO3{2-} + 2 ZnSO4 + [Fe(CN)5NO]{2-} = Zn2[Fe(CN)5NO(SO3)] + 2 SO4{2-}
NH3 + MgO = Mg3N2 + H2O =>
2 NH3 + 3 MgO = Mg3N2 + 3 H2O
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
K2Cr2O7 + H2SO4 + H2S = Cr2(SO4)3 + H2O + K2SO4 =>
4 K2Cr2O7 + 13 H2SO4 + 3 H2S = 4 Cr2(SO4)3 + 16 H2O + 4 K2SO4
CH3CH2CN + NaOH = CH3OH + NaCNCH2 =>
CH3CH2CN + NaOH = CH3OH + NaCNCH2
C2H5OH + KMnO4 + NaOH = CH3CHO + H2O + K2MnO4 + Na2MnO4 =>
C2H5OH + 2 KMnO4 + 2 NaOH = CH3CHO + 2 H2O + K2MnO4 + Na2MnO4
Zn + HgSO4 = Hg + ZnSO4 =>
Zn + HgSO4 = Hg + ZnSO4
BaH2SO4 = BaSO4H2 =>
BaH2SO4 = BaSO4H2
MnO4{-} + H2C2O4 + H{+} = Mn{2+} + CO2 + H2O =>
2 MnO4{-} + 5 H2C2O4 + 6 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
CH3CO2HNH4OH = NH4CH3CO2H2O =>
CH3CO2HNH4OH = NH4CH3CO2H2O
Fe + FeCl3 = FeCl2 =>
Fe + 2 FeCl3 = 3 FeCl2
NH4OHCH3CO2H = CH3CO2NH4H2O =>
NH4OHCH3CO2H = CH3CO2NH4H2O
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
HCl + H2O = H3O{+} + Cl{-} =>
HCl + H2O = H3O{+} + Cl{-}
NaOH + H{-}2SO4 = Na{-}2SO4 + H2O =>
NaOH + H{-}2SO4 = Na{-}2SO4 + H2O
Me + HCl = MeCl + H =>
Me + HCl = MeCl + H
CH3CO2HNH4OH = H2ONH4C2H3O2 =>
CH3CO2HNH4OH = H2ONH4C2H3O2
NH4NO3 + KOH = KNO3 + N + H2O =>
5 NH4NO3 + 2 KOH = 2 KNO3 + 8 N + 11 H2O
Sn + KOH + H2O = K2Sn(OH)4 + H2 =>
Sn + 2 KOH + 2 H2O = K2Sn(OH)4 + H2
Zn + Pb(NO3)2 = Zn(NO3)2 + PbPb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + 2 Pb(NO3)2 = Zn(NO3)2 + PbPb(NO3)2
NaH2PO4 + CaCl2 = Ca(H2PO4)2 + NaCl =>
2 NaH2PO4 + CaCl2 = Ca(H2PO4)2 + 2 NaCl
CuSO4 + Na3Po4 = Cu3(Po4)2 + (Na)2SO4 =>
3 CuSO4 + 2 Na3Po4 = Cu3(Po4)2 + 3(Na)2SO4
K2CrO4 + Ba(NO3)2 = KNO3 + BaCrO4 =>
K2CrO4 + Ba(NO3)2 = 2 KNO3 + BaCrO4
H2S + Cl2O = H2O + Cl2S =>
H2S + Cl2O = H2O + Cl2S
KHCO3 + HBr = KBr + HOH + CO2 =>
KHCO3 + HBr = KBr + HOH + CO2
MgNo3KOH = MgOHKNo3 =>
MgNo3KOH = MgOHKNo3
Mg2(SiO3)2 + KCl = K2SiO3 + MgCl2 =>
Mg2(SiO3)2 + 4 KCl = 2 K2SiO3 + 2 MgCl2
KClO3 + Na2SO3 + H2SO4 = Cl2 + K2SO4 + Na2SO4 + H2O =>
2 KClO3 + 5 Na2SO3 + H2SO4 = Cl2 + K2SO4 + 5 Na2SO4 + H2O
K2CrO4 + Ba(NO3)2 = KNO3 + BaCrO4 =>
K2CrO4 + Ba(NO3)2 = 2 KNO3 + BaCrO4
H3PO4 + Al(OH)3 = Al2(HPO4)3 + H2O =>
3 H3PO4 + 2 Al(OH)3 = Al2(HPO4)3 + 6 H2O
H3C6H5O7 + BaO2H2 = Ba3(C6H5O7)2 + H2O =>
2 H3C6H5O7 + 3 BaO2H2 = Ba3(C6H5O7)2 + 6 H2O
Sn3(PO3)4 = SnO2 + P2O3 =>
Sn3(PO3)4 = 3 SnO2 + 2 P2O3
NaHCO3 + Na2H2P2O7 = Na4P2O7 + CO2 + H2O =>
2 NaHCO3 + Na2H2P2O7 = Na4P2O7 + 2 CO2 + 2 H2O
HNO3 + C6H4(OH)2 = NO2 + H2O + C6H4O2 =>
2 HNO3 + C6H4(OH)2 = 2 NO2 + 2 H2O + C6H4O2
MnO4{-} + HSO3{-} + H{+} = Mn{2+} + SO4{2-} + H2O =>
2 MnO4{-} + 5 HSO3{-} + H{+} = 2 Mn{2+} + 5 SO4{2-} + 3 H2O
Al{3+} + H2O = Al(OH)3 + H{+} =>
Al{3+} + 3 H2O = Al(OH)3 + 3 H{+}
HNOSO4 + H2O = NO + NO2 + H2SO4 =>
2 HNOSO4 + H2O = NO + NO2 + 2 H2SO4
KCrS2O8 + NaOH = Cr(OH)3 + SO4{-2} + Na{+} + K{+} =>
KCrS2O8 + 3 NaOH = Cr(OH)3 + 2 SO4{-2} + 3 Na{+} + K{+}
C5H12O + H2SO4 + NaCl = C5H11Cl + H2O + NaHSO4 =>
C5H12O + H2SO4 + NaCl = C5H11Cl + H2O + NaHSO4
KI + KIO4 + H2O = KOH + I2 =>
7 KI + KIO4 + 4 H2O = 8 KOH + 4 I2
NH3SO3 + NaOH = Na2SO4 + H2O + NH3 =>
NH3SO3 + 2 NaOH = Na2SO4 + H2O + NH3
K2Cr2O7 + SnCl2 + HCl = SnCl4 + CrCl3 + KCl + H2O =>
K2Cr2O7 + 3 SnCl2 + 14 HCl = 3 SnCl4 + 2 CrCl3 + 2 KCl + 7 H2O
CH3ONa = CH3O + Na =>
CH3ONa = CH3O + Na
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