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4 Ca + 4 H2SO4 = CaS + 3 CaSO4 + 4 H2O
HI + KCl + CHCl3 = HCl + KC + I2 =>
6 HI + 2 KCl + 2 CHCl3 = 8 HCl + 2 KC + 3 I2
Ca(ClO4)2(aq) + Na2CO3(aq) = CaCO3(s) + NaClO4(aq) =>
Ca(ClO4)2(aq) + Na2CO3(aq) = CaCO3(s) + 2 NaClO4(aq)
NaCl + KBrO3 + H2SO4 = Na2SO4 + Cl2 + KBrO + H2O =>
4 NaCl + KBrO3 + 2 H2SO4 = 2 Na2SO4 + 2 Cl2 + KBrO + 2 H2O
AlCl3 + Na2CO3 = Al2(CO3)3 + NaCl =>
2 AlCl3 + 3 Na2CO3 = Al2(CO3)3 + 6 NaCl
L(OH)2 + HCl = LCl2 + H2O =>
L(OH)2 + 2 HCl = LCl2 + 2 H2O
Fe2O3(aq) + Mg(s) = MgO(s) + Fe(s) =>
Fe2O3(aq) + 3 Mg(s) = 3 MgO(s) + 2 Fe(s)
Ba + (SO4)2 = BaSO4 =>
2 Ba + (SO4)2 = 2 BaSO4
Ba(NO3)2 + Na2CO3(aq) = BaCO3(aq) + NaNO3(aq) =>
Ba(NO3)2 + Na2CO3(aq) = BaCO3(aq) + 2 NaNO3(aq)
PbCH3COO + KCl = KCH3COO + PbCl =>
PbCH3COO + KCl = KCH3COO + PbCl
C2H2 + HCI = C2H3CI =>
C2H2 + HCI = C2H3CI
H{+} + MnO4{-} + HCl = Mn{2+} + Cl2 + H2O =>
6 H{+} + 2 MnO4{-} + 10 HCl = 2 Mn{2+} + 5 Cl2 + 8 H2O
MgCO3 + HNO3 + H2O = Mg(NO3)2*6H2O + CO2 =>
MgCO3 + 2 HNO3 + 5 H2O = Mg(NO3)2*6H2O + CO2
Hg2I2 + O2 = Hg2O + I2 =>
2 Hg2I2 + O2 = 2 Hg2O + 2 I2
Se5Cl2 + O2 = SeO2 + Cl2 =>
Se5Cl2 + 5 O2 = 5 SeO2 + Cl2
N2O3 + SO2 = NO + SO3 =>
N2O3 + SO2 = 2 NO + SO3
KClO3 + Fe(OH)2 + H2SO4 = KCl + Fe2(SO4)3 + H2O =>
KClO3 + 6 Fe(OH)2 + 9 H2SO4 = KCl + 3 Fe2(SO4)3 + 15 H2O
BaSO4 + KNo3 = Ba(No3)2 + K2SO4 =>
BaSO4 + 2 KNo3 = Ba(No3)2 + K2SO4
NaSeO3 + F2 + NaOH = NaSeO4 + NaF + H2O =>
NaSeO3 + F2 + 2 NaOH = NaSeO4 + 2 NaF + H2O
H2O2(aq) = O2(aq) + H2(aq) =>
H2O2(aq) = O2(aq) + H2(aq)
NH3 + O2 = NO2{-} + H{+} + H2O =>
2 NH3 + 3 O2 = 2 NO2{-} + 2 H{+} + 2 H2O
NaN3 + H3PO4 = NaH2PO4 + HN3 =>
NaN3 + H3PO4 = NaH2PO4 + HN3
As + NaOH + H2O = Na[As(OH)4] + H2 =>
2 As + 2 NaOH + 6 H2O = 2 Na[As(OH)4] + 3 H2
Cu2 + HClO4 = Cu2O4 + HClO =>
3 Cu2 + 4 HClO4 = 3 Cu2O4 + 4 HClO
I{-} + H{+} + Cr2O7{-2} = Cr{3+} + I2 + H2O =>
6 I{-} + 14 H{+} + Cr2O7{-2} = 2 Cr{3+} + 3 I2 + 7 H2O
Cd(s) + HBr(aq) = CdBr(aq) + H2(g) =>
2 Cd(s) + 2 HBr(aq) = 2 CdBr(aq) + H2(g)
KCrO4 + KI + HCl = I2 + KCl + CrCl3 + H2O =>
KCrO4 + 4 KI + 8 HCl = 2 I2 + 5 KCl + CrCl3 + 4 H2O
Na3[Al(OH)6] + HNO3 = Al(OH)3 + NaNO3 + H2O =>
Na3[Al(OH)6] + 3 HNO3 = Al(OH)3 + 3 NaNO3 + 3 H2O
B + HNO3 = NO2 + H3BO3 =>
B + 3 HNO3 = 3 NO2 + H3BO3
H3PO4 + NH3 = (NH4)HPO4 + H2 =>
2 H3PO4 + 2 NH3 = 2(NH4)HPO4 + H2
Sr + Pb = SrPb =>
Sr + Pb = SrPb
SiH4 + H2O = H2SiO3 + H2 =>
SiH4 + 3 H2O = H2SiO3 + 4 H2
Li + HI = LiI2 + H2 =>
Li + 2 HI = LiI2 + H2
CO3 + Fe(NO3)3 = Fe + CO3(NO3)2 =>
3 CO3 + 2 Fe(NO3)3 = 2 Fe + 3 CO3(NO3)2
Fe2{-}Cl2{-} = Fe2{-}ClO2{-} =>
Fe2{-}Cl2{-} = Fe2{-}ClO2{-}
CH3COOH + Sr(OH)2 = CH3OH + Sr(COOH)2 =>
2 CH3COOH + Sr(OH)2 = 2 CH3OH + Sr(COOH)2
KHS + KMnO4 + H2O = KOH + MnO2 + K2SO4 =>
3 KHS + 8 KMnO4 + H2O = 5 KOH + 8 MnO2 + 3 K2SO4
Al + C2H4O2 = H2 + AlC2O2 =>
Al + C2H4O2 = 2 H2 + AlC2O2
Mn + Al(No3)3 = Mn(No3)2 + Al =>
3 Mn + 2 Al(No3)3 = 3 Mn(No3)2 + 2 Al
Pb(NO3)2 + H2O = Pb(OH)2 + HNO3 =>
Pb(NO3)2 + 2 H2O = Pb(OH)2 + 2 HNO3
Pb{2+} + H2O = PbO + H{+} =>
Pb{2+} + H2O = PbO + 2 H{+}
Al2(SO4)3 + NaCO3 + H2O = Al(OH)3 + NaSO4 + CO2 =>
Al2(SO4)3 + 3 NaCO3 + 3 H2O = 2 Al(OH)3 + 3 NaSO4 + 3 CO2
FeS + HNO3 = S + Fe(NO3) + NO2 + H2O =>
FeS + 2 HNO3 = S + Fe(NO3) + NO2 + H2O
NaNO3 + K2SO4 = NaSO4 + K2NO3 =>
NaNO3 + K2SO4 = NaSO4 + K2NO3
Na2Co3(aq) + CaCl2(aq) = CaCo3(s) + NaCl(l) =>
Na2Co3(aq) + CaCl2(aq) = CaCo3(s) + 2 NaCl(l)
NH4Cl + KHCO3 = NH4HCO3 + KCl =>
NH4Cl + KHCO3 = NH4HCO3 + KCl
Lu + F2 = LuF3 =>
2 Lu + 3 F2 = 2 LuF3
NaSO4 + MgOH = NaOH + MgSO4 =>
NaSO4 + MgOH = NaOH + MgSO4
Fe3O4 + {-} + H{+} = Fe{2+} + H2O =>
Fe3O4 + 2e + 8 H{+} = 3 Fe{2+} + 4 H2O
H3PO4(aq) + Ca(OH)2(aq) = Ca3O8P2(s) + H2O(l) =>
2 H3PO4(aq) + 3 Ca(OH)2(aq) = Ca3O8P2(s) + 6 H2O(l)
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