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Mn2O5 = 2 Mn + 5 O
Cr + H2 = CrH6 =>
Cr + 3 H2 = CrH6
FeS(s) + HCl = FeCl2(aq) + H2S(g) =>
FeS(s) + 2 HCl = FeCl2(aq) + H2S(g)
KBrO3 + H2S = Br2 + S + H2O + K =>
2 KBrO3 + 6 H2S = Br2 + 6 S + 6 H2O + 2 K
Cr{3+} + MnO2 + OH{-} = CrO4{2-} + Mn{2+} + H2O =>
2 Cr{3+} + 3 MnO2 + 4 OH{-} = 2 CrO4{2-} + 3 Mn{2+} + 2 H2O
(a)Fe2(CO3)3 + (b)HCl = (c)FeCl3 + (d)H2O + (e)CO2 =>
(a)Fe2(CO3)3 + 6(b)HCl = 2(c)FeCl3 + 3(d)H2O + 3(e)CO2
K(l) + H2O(l) = KOH(l) + H2(l) =>
2 K(l) + 2 H2O(l) = 2 KOH(l) + H2(l)
MgS + Na3N = Na2S + Mg3N2 =>
3 MgS + 2 Na3N = 3 Na2S + Mg3N2
Li3AsO4 = Li + AsO4 =>
Li3AsO4 = 3 Li + AsO4
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
KCl + AgI = KI + AgCl =>
KCl + AgI = KI + AgCl
CaCl2(aq) + HCl(aq) = HCl2(aq) + CaCl =>
CaCl2(aq) + HCl(aq) = HCl2(aq) + CaCl
Sn + HgCl2 = SnCl2 + HgCl =>
Sn + 2 HgCl2 = SnCl2 + 2 HgCl
NaBr2 + Cl2 = Br2 + NaCl4 =>
NaBr2 + 2 Cl2 = Br2 + NaCl4
NaOH + H3PO4 = NaH2PO4 + HOH =>
NaOH + H3PO4 = NaH2PO4 + HOH
KOH + HPO4 = H2O + KPO4 =>
KOH + HPO4 = H2O + KPO4
KO3 + CO2 = K2C5O + O4 =>
8 KO3 + 20 CO2 = 4 K2C5O + 15 O4
C57H92O6 + NaOH = C57H92O6Na + OH =>
C57H92O6 + NaOH = C57H92O6Na + OH
NaClO3 + FeCl3 = NaCl + Fe(ClO3)3 =>
3 NaClO3 + FeCl3 = 3 NaCl + Fe(ClO3)3
Al + NH3 = AlH2 + N =>
3 Al + 2 NH3 = 3 AlH2 + 2 N
AgNO3 + Li2S = Li2NO3 + AgS =>
AgNO3 + Li2S = Li2NO3 + AgS
SnCl2 + Br2 + HNO3 = Sn(NO3)2 + BrCl + NO2 + H2O =>
SnCl2 + Br2 + 4 HNO3 = Sn(NO3)2 + 2 BrCl + 2 NO2 + 2 H2O
NaHSO3(aq) + NaOH(aq) = Na2SO3(aq) + H2O(l) =>
NaHSO3(aq) + NaOH(aq) = Na2SO3(aq) + H2O(l)
CrSO4 + KCH3COO = Cr(CH3COO)2 + K2SO4 =>
CrSO4 + 2 KCH3COO = Cr(CH3COO)2 + K2SO4
Ag(NO3)2(aq) + (NH4)2CO3(aq) = NH4NO3 + AgCO3 =>
Ag(NO3)2(aq) + (NH4)2CO3(aq) = 2 NH4NO3 + AgCO3
Mg + Fe(C2H3O2)3 = Mg(C2H3O2)2 + Fe =>
3 Mg + 2 Fe(C2H3O2)3 = 3 Mg(C2H3O2)2 + 2 Fe
MnO2 + H2O = MnO(OH)2 =>
MnO2 + H2O = MnO(OH)2
Mg(NO3)2 + NaOH(aq) = Mg(OH)2(aq) + NaNO3(aq) =>
Mg(NO3)2 + 2 NaOH(aq) = Mg(OH)2(aq) + 2 NaNO3(aq)
NH3 + PH3 = NH4 + PH2 =>
NH3 + PH3 = NH4 + PH2
C39H74O6 + NaOH = C12H23NaO2 + C3H8O3 =>
C39H74O6 + 3 NaOH = 3 C12H23NaO2 + C3H8O3
K + Cu(NO3) = K(NO3) + Cu =>
K + Cu(NO3) = K(NO3) + Cu
KNO3 + Cr2(SO4)3 + NaCO3 = KNO2 + Na2CrO4 + NaSO4 + CO2 =>
KNO3 + Cr2(SO4)3 + 7 NaCO3 = KNO2 + 2 Na2CrO4 + 3 NaSO4 + 7 CO2
I2 + Ba(OH)2 = Ba(IO2)3 + BaI2 + H2O =>
13 I2 + 12 Ba(OH)2 = 2 Ba(IO2)3 + 10 BaI2 + 12 H2O
NaJ + KJO3 + HCl = J2 + KJ + H2O + NaCl =>
6 NaJ + KJO3 + 6 HCl = 3 J2 + KJ + 3 H2O + 6 NaCl
SO3 + KOH = K2(SO4) + H2O =>
SO3 + 2 KOH = K2(SO4) + H2O
C2H3Cl + CuO = Cu + CuCl + CO + H2O =>
2 C2H3Cl + 7 CuO = 5 Cu + 2 CuCl + 4 CO + 3 H2O
Pb + Cl = PbCl4 =>
Pb + 4 Cl = PbCl4
HClO3 + As2S5 + H2O = HCl + H3AsO4 + H2SO4 =>
20 HClO3 + 3 As2S5 + 24 H2O = 20 HCl + 6 H3AsO4 + 15 H2SO4
KOH + InCl3 = KCl + In(OH)3 =>
3 KOH + InCl3 = 3 KCl + In(OH)3
KHC8H4O4 + NaOH = KNaC8H4O4 + H2O =>
KHC8H4O4 + NaOH = KNaC8H4O4 + H2O
KNO2 + HCl = KCl + HNO2 =>
KNO2 + HCl = KCl + HNO2
(NH2)2CO + H3PO4 + H2O = (NH4)2HPO4 + H2CO3 =>
(NH2)2CO + H3PO4 + 2 H2O = (NH4)2HPO4 + H2CO3
BH3 + AgNO3 + H2O = Ag + H3BO3 + HNO3 =>
BH3 + 6 AgNO3 + 3 H2O = 6 Ag + H3BO3 + 6 HNO3
O2 + NaBr = Na2O + Br =>
O2 + 4 NaBr = 2 Na2O + 4 Br
CH3COOH + CsOH = CsCH3COO + H2O =>
CH3COOH + CsOH = CsCH3COO + H2O
Al + Si = Al4Si3 =>
4 Al + 3 Si = Al4Si3
Sb + HNO3 = Sb(NO3)3 + H2O + NO =>
Sb + 4 HNO3 = Sb(NO3)3 + 2 H2O + NO
Au2(SO4)3 + Ba = Au + Ba(SO4)3 =>
Au2(SO4)3 + Ba = 2 Au + Ba(SO4)3
Cu + NaOH + H2O = NaCu(OH)4 + H2 =>
2 Cu + 2 NaOH + 6 H2O = 2 NaCu(OH)4 + 3 H2
TiO2 + KOH = Ti(OH)4 + K2O =>
TiO2 + 4 KOH = Ti(OH)4 + 2 K2O
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