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3 HS + 2 Fe = Fe2S3 + 3 H
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Al2(SO4)3 + Fe(HCO3)4 = Al(HCO3)3 + Fe(SO4)2 =>
2 Al2(SO4)3 + 3 Fe(HCO3)4 = 4 Al(HCO3)3 + 3 Fe(SO4)2
NaClAgNo2 = AgClNaNo2 =>
NaClAgNo2 = AgClNaNo2
PbCrO4 + NaOH = Na2CrO4 + PbO2 + H =>
PbCrO4 + 2 NaOH = Na2CrO4 + PbO2 + 2 H
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
MnO2 + NaOH + H2O = Na[Mn(OH)5] =>
MnO2 + NaOH + 2 H2O = Na[Mn(OH)5]
AlCl3 + H2S = Al2 + S3 + HCl =>
2 AlCl3 + 3 H2S = Al2 + S3 + 6 HCl
Ca + P = Ca2P3 =>
2 Ca + 3 P = Ca2P3
Fe + HPO4 = FeHPO4 =>
Fe + HPO4 = FeHPO4
Ba(NO3)2(aq) + NaC2H3O2(aq) = Ba(C2H3O2)2(aq) + NaNO3(aq) =>
Ba(NO3)2(aq) + 2 NaC2H3O2(aq) = Ba(C2H3O2)2(aq) + 2 NaNO3(aq)
CH3COO(CH2)4CH3 + H2O = CH3(CH2)4OH + CH3COOH =>
CH3COO(CH2)4CH3 + H2O = CH3(CH2)4OH + CH3COOH
AlCl3 + Ba(NO3)2 = BaCl2 + Al(NO3)3 =>
2 AlCl3 + 3 Ba(NO3)2 = 3 BaCl2 + 2 Al(NO3)3
Ba(OH)2 + ZnSO4 = Ba2(SO4)2 + Zn(OH)2 =>
2 Ba(OH)2 + 2 ZnSO4 = Ba2(SO4)2 + 2 Zn(OH)2
MnO2 + NaOH + H2O = Na[Mn(OH)5] =>
MnO2 + NaOH + 2 H2O = Na[Mn(OH)5]
NaHCO3 + Cu(NO3)2 = NaNO3 + CuCO3 + H2O + CO2 =>
2 NaHCO3 + Cu(NO3)2 = 2 NaNO3 + CuCO3 + H2O + CO2
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
CoBr3 + K2S = Co2S3 + KBr =>
2 CoBr3 + 3 K2S = Co2S3 + 6 KBr
CH3COOH + LiOH = CH3COO{-} + Li{+} + H2O =>
CH3COOH + LiOH = CH3COO{-} + Li{+} + H2O
FeO3(s) + CO(g) = Fe(l) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(l) + 3 CO2(g)
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NaClKNO3 = NaNO3KCl =>
NaClKNO3 = NaNO3KCl
NaCl + Mg = Na + MgCl =>
NaCl + Mg = Na + MgCl
CaOH2 + H2O = H3O + CaO =>
CaOH2 + 2 H2O = 2 H3O + CaO
C + PbCrO4 = Cr2O3 + CO3 + PbO =>
C + 2 PbCrO4 = Cr2O3 + CO3 + 2 PbO
Ag + Na2SO4 = Ag2SO4 + Na =>
2 Ag + Na2SO4 = Ag2SO4 + 2 Na
Al + Pb(NO3)2 = (Al(NO3)3) + Pb =>
2 Al + 3 Pb(NO3)2 = 2(Al(NO3)3) + 3 Pb
Th(OH)4 + HCl = ThCl4 + H2O =>
Th(OH)4 + 4 HCl = ThCl4 + 4 H2O
C4H6 + Cl = C2H3Cl =>
C4H6 + 2 Cl = 2 C2H3Cl
Ag3NO2 + BaCl2 = AgCl2 + Ba3NO2 =>
Ag3NO2 + 3 BaCl2 = 3 AgCl2 + Ba3NO2
Cd + H2SO4 = Cd2(SO4)2 + S + H2O =>
6 Cd + 8 H2SO4 = 3 Cd2(SO4)2 + 2 S + 8 H2O
V2O3(s) + O2(g) = V2O5(s) =>
V2O3(s) + O2(g) = V2O5(s)
K3Po4 + MgCl2 = Mg3(Po4)2 + KCl =>
2 K3Po4 + 3 MgCl2 = Mg3(Po4)2 + 6 KCl
MgO2 + CO = Mg2O3 + CO3 =>
4 MgO2 + CO = 2 Mg2O3 + CO3
CdCl2 + Na2S(aq) = CdS + NaCl =>
CdCl2 + Na2S(aq) = CdS + 2 NaCl
AlCl3 + NH4Cl = Al(NH4)3 + Cl2 =>
AlCl3 + 3 NH4Cl = Al(NH4)3 + 3 Cl2
Pb(ClO4)2 = PbCl2 + O2 =>
Pb(ClO4)2 = PbCl2 + 4 O2
Mg + CoSO4 = MgSO4 + Co2 =>
2 Mg + 2 CoSO4 = 2 MgSO4 + Co2
C4H10O + Na = CH3CCH3ONaCH3 + H2 =>
2 C4H10O + 2 Na = 2 CH3CCH3ONaCH3 + H2
H2(g) + Br2(l) = HBr =>
H2(g) + Br2(l) = 2 HBr
H2SO4 + HCO3{-} = H2CO3 + SO4{2-} =>
H2SO4 + 2 HCO3{-} = 2 H2CO3 + SO4{2-}
C2H4 + KMnO4 + H2O = C2H4(OH) + MnO2 + KOH =>
3 C2H4 + KMnO4 + 2 H2O = 3 C2H4(OH) + MnO2 + KOH
(BaCO3) + HCl = BaHCl + CO3 =>
(BaCO3) + HCl = BaHCl + CO3
K + HCOOH = HCOOK + H2 =>
2 K + 2 HCOOH = 2 HCOOK + H2
CoCl2 + Co = Co2Cl2 =>
CoCl2 + Co = Co2Cl2
NiCl2 + K3(Po4) = KCl + Ni3(Po4)2 =>
3 NiCl2 + 2 K3(Po4) = 6 KCl + Ni3(Po4)2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Mn(NO3)2 + FeN = Mn3N2 + Fe(NO3)3 =>
3 Mn(NO3)2 + 2 FeN = Mn3N2 + 2 Fe(NO3)3
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