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H2Se + Na2S = Na2Se + H2S
C2H5OH + NaCl = C2H5O + Na + HCl =>
C2H5OH + NaCl = C2H5O + Na + HCl
Ca(s) + H2O(l) = H(g) + Ca(OH)2 =>
Ca(s) + 2 H2O(l) = 2 H(g) + Ca(OH)2
NaCrO2 + AgNO3 = NaNO3 + AgCrO2 =>
NaCrO2 + AgNO3 = NaNO3 + AgCrO2
Cr + S9 = Cr2S3 =>
6 Cr + S9 = 3 Cr2S3
Sn + K2Cr2O7 + HCl = SnCl2 + CrCl3 + KCl + H2O =>
3 Sn + K2Cr2O7 + 14 HCl = 3 SnCl2 + 2 CrCl3 + 2 KCl + 7 H2O
AlBr3 + Cl = AlCl3 + Br =>
AlBr3 + 3 Cl = AlCl3 + 3 Br
(MnO4){-} + I{-} + H{+} = Mn{2+} + I2 + H2O =>
2(MnO4){-} + 10 I{-} + 16 H{+} = 2 Mn{2+} + 5 I2 + 8 H2O
Zn + S = ZnS =>
Zn + S = ZnS
HNO3(aq) + NaOH(aq) = HOH + Na(NO3) =>
HNO3(aq) + NaOH(aq) = HOH + Na(NO3)
Fe2S2O8 + H3PO4 = Fe3P2O8 + H2SO4 =>
3 Fe2S2O8 + 4 H3PO4 = 2 Fe3P2O8 + 6 H2SO4
FeCl + NaPo4 = FePo4 + NaCl =>
FeCl + NaPo4 = FePo4 + NaCl
SrCl2 + Al(OH)3 = Sr(OH)2 + AlCl3 =>
3 SrCl2 + 2 Al(OH)3 = 3 Sr(OH)2 + 2 AlCl3
SB2S3 + HNO3 = SB2O5 + H2SO4 + NO + H2O =>
3 SB2S3 + 28 HNO3 = 3 SB2O5 + 9 H2SO4 + 28 NO + 5 H2O
Ba + SnCl4 = Sn + BaCl2 =>
2 Ba + SnCl4 = Sn + 2 BaCl2
HNO2 + H2O2 = HNO3 + H2O =>
HNO2 + H2O2 = HNO3 + H2O
Al(OH)3 + HMnO4 = H2O + Al(MnO4)3 =>
Al(OH)3 + 3 HMnO4 = 3 H2O + Al(MnO4)3
(Li) + O2 = (LiO2) =>
(Li) + O2 = (LiO2)
CoSO4 + H2S = H2O + CoS + S =>
CoSO4 + 4 H2S = 4 H2O + CoS + 4 S
HNO3(aq) + Na2CO3(s) = H2O + NaNO3(aq) + CO2(g) =>
2 HNO3(aq) + Na2CO3(s) = H2O + 2 NaNO3(aq) + CO2(g)
FeS2 + O2 = Fe2O3 + (SO)2 =>
4 FeS2 + 7 O2 = 2 Fe2O3 + 4(SO)2
H3Al + NaOH = NaAl + H3OH =>
H3Al + NaOH = NaAl + H3OH
Cl2 + KOH = KCl + H2O + O =>
Cl2 + 2 KOH = 2 KCl + H2O + O
CuS2 + O2 = Cu2S + SO2 =>
2 CuS2 + 3 O2 = Cu2S + 3 SO2
I{-} + H2SO4 + H{+} = H2S + I2 + H2O =>
8 I{-} + H2SO4 + 8 H{+} = H2S + 4 I2 + 4 H2O
NaBrO3 + H2SO4 = Br2 + O2 + Na2SO4 + H2O =>
4 NaBrO3 + 2 H2SO4 = 2 Br2 + 5 O2 + 2 Na2SO4 + 2 H2O
NiCrO4 + BaF2 = Ba(CrO4) + NiF2 =>
NiCrO4 + BaF2 = Ba(CrO4) + NiF2
Na2CO3 + H2SO4 = Na2SO4 + H2OCO2 =>
Na2CO3 + H2SO4 = Na2SO4 + H2OCO2
Zn + HCa = ZnCa2 + H2 =>
Zn + 2 HCa = ZnCa2 + H2
Zn + K + [Fe(CN)6] = K2Zn3[Fe(CN)6] =>
3 Zn + 2 K + [Fe(CN)6] = K2Zn3[Fe(CN)6]
H2SeO3 + Ag(OH) = H2O + Ag2SeO3 =>
H2SeO3 + 2 Ag(OH) = 2 H2O + Ag2SeO3
C6H10O5 + C3H8O3 + H2O = C9H20O9 =>
C6H10O5 + C3H8O3 + H2O = C9H20O9
SrCO3 + La2O3 + NiO + RuO2 + O2 = LaSr3NiRuO8 + CO2 =>
12 SrCO3 + 2 La2O3 + 4 NiO + 4 RuO2 + O2 = 4 LaSr3NiRuO8 + 12 CO2
HS + O = H2O + SO =>
2 HS + 3 O = H2O + 2 SO
C2H2 + O2(arrow) = CO2 + H2O =>
2 C2H2 + 5 O2(arrow) = 4 CO2 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2S + SO2 = H2O + S8 =>
16 H2S + 8 SO2 = 16 H2O + 3 S8
I{-} + (H3O){+} + (MnO4){-} = H2O + I2 + Mn{+2} =>
10 I{-} + 16(H3O){+} + 2(MnO4){-} = 24 H2O + 5 I2 + 2 Mn{+2}
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH3NO + H2 = CH3NH2 + H2O =>
CH3NO + 2 H2 = CH3NH2 + H2O
HCl + Fe2O3 = FeCl3 + H2O =>
6 HCl + Fe2O3 = 2 FeCl3 + 3 H2O
Cr + NaNo3 + NaOH = NaCrO4 + NaNo2 + H2O =>
Cr + 14 NaNo3 + 8 NaOH = NaCrO4 + 21 NaNo2 + 4 H2O
Na2CrO4(ac) + AgNO3(ac) = Ag2CrO4(s) + NaNO3(ac) =>
Na2CrO4(ac) + 2 AgNO3(ac) = Ag2CrO4(s) + 2 NaNO3(ac)
Cu + NaCl + H2O = CuCl2 + NaOH + H2 =>
Cu + 2 NaCl + 2 H2O = CuCl2 + 2 NaOH + H2
C7H11O4 + O2 = CO2 + H2O =>
4 C7H11O4 + 31 O2 = 28 CO2 + 22 H2O
Fe(NO3)2(aq) + HCl(aq) = FeCl2(aq) + HNO3(aq) =>
Fe(NO3)2(aq) + 2 HCl(aq) = FeCl2(aq) + 2 HNO3(aq)
HClO3 = Cl2O5 + H2O =>
2 HClO3 = Cl2O5 + H2O
CH3NO + H2 = CH3NH2 + H2O =>
CH3NO + 2 H2 = CH3NH2 + H2O
MnO2 = Mn3O4O2 =>
3 MnO2 = Mn3O4O2
Ag2O + Cs = Ag + Cs2O =>
Ag2O + 2 Cs = 2 Ag + Cs2O
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