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2 As + 3 H2S = As2S3 + 6 H
KMnO4 + CuS + HCl = S + CuCl2 + MnCl2 + KCl + H2O =>
2 KMnO4 + 5 CuS + 16 HCl = 5 S + 5 CuCl2 + 2 MnCl2 + 2 KCl + 8 H2O
CaOCl2 + H2SO4 = CaSO4 + H2O + Cl2 =>
CaOCl2 + H2SO4 = CaSO4 + H2O + Cl2
CH3(CH2)2CH3(g) + O2 = CO2(g) + H2O(g) =>
2 CH3(CH2)2CH3(g) + 13 O2 = 8 CO2(g) + 10 H2O(g)
Cu + Sn = CuSn =>
Cu + Sn = CuSn
Ni2S + O2 = Ni2O + SO2 =>
2 Ni2S + 3 O2 = 2 Ni2O + 2 SO2
C3H8O + K = C3H7OK + H2 =>
2 C3H8O + 2 K = 2 C3H7OK + H2
KHO + CuCl2 = Cu(HO)2 + KCl =>
2 KHO + CuCl2 = Cu(HO)2 + 2 KCl
MgO(s) + H2O = Mg(OH)2(aq) =>
MgO(s) + H2O = Mg(OH)2(aq)
MnO4{-} = MnO4{-}2 =>
MnO4{-} = MnO4{-}2
lithium + potassiumchlorate = potassium + lithiumchlorate =>
Li + KClO3 = K + LiClO3
NaBH4 + H2O2 = NaBO2 + H2O =>
NaBH4 + 4 H2O2 = NaBO2 + 6 H2O
NaNO3(aq) + KC2H3O2(aq) = KNO3 + NaC2H3O2 =>
NaNO3(aq) + KC2H3O2(aq) = KNO3 + NaC2H3O2
C6H12O6(aq) = CO2(g) + CH3CH2OH(aq) =>
C6H12O6(aq) = 2 CO2(g) + 2 CH3CH2OH(aq)
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
HPO3 + H2Se = PO + Se + H2O =>
2 HPO3 + 3 H2Se = 2 PO + 3 Se + 4 H2O
I2 + KMnO4 + H2SO4 = HIO3 + MnSO4 + K2SO4 + H2O =>
I2 + 2 KMnO4 + 3 H2SO4 = 2 HIO3 + 2 MnSO4 + K2SO4 + 2 H2O
Si2Cl5 + H2O = SiO2 + HCl + H2 =>
2 Si2Cl5 + 8 H2O = 4 SiO2 + 10 HCl + 3 H2
Mn{2+} + IO4{-} + H2O = MnO4{-} + I{-} + H{+} =>
8 Mn{2+} + 5 IO4{-} + 12 H2O = 8 MnO4{-} + 5 I{-} + 24 H{+}
Na + Cl2(g) = NaCl =>
2 Na + Cl2(g) = 2 NaCl
FeS + HCl(aq) = FeCl2(aq) + H2S =>
FeS + 2 HCl(aq) = FeCl2(aq) + H2S
MgO + H2SiO3 = MgSiO3 + H2O =>
MgO + H2SiO3 = MgSiO3 + H2O
H2SO4 + Al(OH)3 = H2(OH)2 + Al2(SO4)3 =>
3 H2SO4 + 2 Al(OH)3 = 3 H2(OH)2 + Al2(SO4)3
MgSO4(aq) + NaCO3(aq) = MgCO3 + NaSO4 =>
MgSO4(aq) + NaCO3(aq) = MgCO3 + NaSO4
Fe + HPO3 = Fe(PO3)2 + PO + H2O =>
3 Fe + 8 HPO3 = 3 Fe(PO3)2 + 2 PO + 4 H2O
Na2SO4(aq) + Sr(NO3)2(aq) = NaNO3 + SrSO4 =>
Na2SO4(aq) + Sr(NO3)2(aq) = 2 NaNO3 + SrSO4
FeS2 + H2O2 = Fe(OH)3 + H2SO4 + H2O =>
2 FeS2 + 15 H2O2 = 2 Fe(OH)3 + 4 H2SO4 + 8 H2O
CuO + Hg = HgO + Cu =>
CuO + Hg = HgO + Cu
K(s) + AlCl3(aq) = KCl + Al =>
3 K(s) + AlCl3(aq) = 3 KCl + Al
H3PO4 + Na2WO4 = H3PW12O40 + Na3PO4 + H2O =>
9 H3PO4 + 12 Na2WO4 = H3PW12O40 + 8 Na3PO4 + 12 H2O
KOH(aq) + HCI(aq) = KCI(aq) + H2O(l) =>
KOH(aq) + HCI(aq) = KCI(aq) + H2O(l)
NaHCO3 + CH3OOH = NaCH3CO2 + H2O + CO2 =>
NaHCO3 + 2 CH3OOH = NaCH3CO2 + 3 H2O + CO2
C2H3O2{-} + H2O = HC2H3O2 + OH{-} =>
C2H3O2{-} + H2O = HC2H3O2 + OH{-}
Ca + ClO3 = CaCl2 + O2 =>
Ca + 2 ClO3 = CaCl2 + 3 O2
Mg(CN)2(aq) + HCl(aq) = HCN(aq) + MgCl2(aq) =>
Mg(CN)2(aq) + 2 HCl(aq) = 2 HCN(aq) + MgCl2(aq)
CH3OH + (CH3CO)2O = CH3COO + CH4 =>
CH3OH + (CH3CO)2O = 2 CH3COO + CH4
Pb(NO2)2 + KI = PbI2 + KNO2 =>
Pb(NO2)2 + 2 KI = PbI2 + 2 KNO2
CrOH3 + O2 = Cr2O3 + H2O =>
2 CrOH3 + 2 O2 = Cr2O3 + 3 H2O
Fe(NO3)2 + Al2(SO4)3 = FeSO4 + Al(NO3)3 =>
3 Fe(NO3)2 + Al2(SO4)3 = 3 FeSO4 + 2 Al(NO3)3
C14H28(s) + O2(g) = CO2(g) + H2O(g) =>
C14H28(s) + 21 O2(g) = 14 CO2(g) + 14 H2O(g)
O18 = O2 =>
O18 = 9 O2
H2O2 + Mn(NO3)2 + KOH = K2MnO4 + KNO3 + H2O =>
2 H2O2 + Mn(NO3)2 + 4 KOH = K2MnO4 + 2 KNO3 + 4 H2O
KBrO4 + HBr = Br2 + KBr + H2O =>
KBrO4 + 8 HBr = 4 Br2 + KBr + 4 H2O
Mg(OH)2 + H2PHO3 = (MgOH)2PHO3 + H2O =>
2 Mg(OH)2 + H2PHO3 = (MgOH)2PHO3 + 2 H2O
Cu2O = Cu + O =>
Cu2O = 2 Cu + O
C3H6(l) + O2(g) = CO2(g) + H2O(g) =>
2 C3H6(l) + 9 O2(g) = 6 CO2(g) + 6 H2O(g)
Ba(OH)2 + (NH4)2S = BaS + (NH4)2 + (OH)2 =>
Ba(OH)2 + (NH4)2S = BaS + (NH4)2 + (OH)2
C6H5CCl3 + KOH = C6H5COOH + KCl + H2O =>
C6H5CCl3 + 3 KOH = C6H5COOH + 3 KCl + H2O
K2CrO4(aq) + H2SO4(aq) = K{+}(aq) + CrO2(HSO4)2(aq) + H3O{+}(aq) + HSO4{-}(aq) =>
K2CrO4(aq) + 6 H2SO4(aq) = 2 K{+}(aq) + CrO2(HSO4)2(aq) + 2 H3O{+}(aq) + 4 HSO4{-}(aq)
Na + O = NaO =>
Na + O = NaO
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