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2 Al3 + 18 HCl = 6 AlCl3 + 9 H2
FeCl3 + Mg = MgCl2 + Fe =>
2 FeCl3 + 3 Mg = 3 MgCl2 + 2 Fe
NH3 + MnO2 = N2 + Mn2O3 + H2O =>
2 NH3 + 6 MnO2 = N2 + 3 Mn2O3 + 3 H2O
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CaC2 + H2O = Ca(OH)2 + C2H2 =>
CaC2 + 2 H2O = Ca(OH)2 + C2H2
P + Cl2 = PCl3 =>
2 P + 3 Cl2 = 2 PCl3
Cr(NO3)2 + Br2 + KOH = K2CrO4 + KBr + KNO3 + H2O =>
Cr(NO3)2 + 2 Br2 + 8 KOH = K2CrO4 + 4 KBr + 2 KNO3 + 4 H2O
K2MnO4 + KI + H2O = MnO2 + I2 + KOH =>
K2MnO4 + 2 KI + 2 H2O = MnO2 + I2 + 4 KOH
KOH + Pb(NO3)2 = K(NO3)2 + PbOH =>
KOH + Pb(NO3)2 = K(NO3)2 + PbOH
CuS + O2 = CuO + SO2 =>
2 CuS + 3 O2 = 2 CuO + 2 SO2
Mg + HClO4 = Mg(ClO4) + H2 =>
2 Mg + 2 HClO4 = 2 Mg(ClO4) + H2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
C5H10 + Br2 = HBr + C5H9Br =>
C5H10 + Br2 = HBr + C5H9Br
H2S + Br2 + H2O = H2SO4 + HBr =>
H2S + 4 Br2 + 4 H2O = H2SO4 + 8 HBr
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
MnO4{-} + H{+} = Mn + O2 + H2O =>
4 MnO4{-} + 4 H{+} = 4 Mn + 7 O2 + 2 H2O
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
MnO4{-} + H{+} = Mn2{+} + O2 + H2O =>
8 MnO4{-} + 12 H{+} = 4 Mn2{+} + 13 O2 + 6 H2O
CuSO + NaOH = Cu(OH) + NaSO =>
CuSO + NaOH = Cu(OH) + NaSO
KNO3(s) = KNO2(s) + O2(g) =>
2 KNO3(s) = 2 KNO2(s) + O2(g)
KOH + Cl2 = KCl + KClO3 + H2O =>
6 KOH + 3 Cl2 = 5 KCl + KClO3 + 3 H2O
N + H = NH3 =>
N + 3 H = NH3
H2SO3 + LiOH = Li2SO3 + H2O =>
H2SO3 + 2 LiOH = Li2SO3 + 2 H2O
P2O5 + C = P + CO =>
P2O5 + 5 C = 2 P + 5 CO
AlBr3 + K2SO4 = Al2(SO4)3 + KBr =>
2 AlBr3 + 3 K2SO4 = Al2(SO4)3 + 6 KBr
HCOOH + CH3OH = HCOOCH3 + H2O =>
HCOOH + CH3OH = HCOOCH3 + H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Cu + O = CuO =>
Cu + O = CuO
CH3OH + (NH4)2HPO4 = CH4PO4 + (NH4)2OH =>
CH3OH + (NH4)2HPO4 = CH4PO4 + (NH4)2OH
C3H6 + Cl2 = HCl + C3H5Cl =>
C3H6 + Cl2 = HCl + C3H5Cl
NH3 + O2 = NO2 + H20 =>
20 NH3 + 20 O2 = 20 NO2 + 3 H20
Al(t) + Fe2O3(t) = Al2O3(t) + Fe(t) =>
2 Al(t) + Fe2O3(t) = Al2O3(t) + 2 Fe(t)
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
B + H2SO4 = H3BO3 + SO2 =>
2 B + 3 H2SO4 = 2 H3BO3 + 3 SO2
Cu + Br2 = CuBr2 =>
Cu + Br2 = CuBr2
K3BO3 + H2O = H2HBO3 + KOH =>
K3BO3 + 3 H2O = H2HBO3 + 3 KOH
CA(OH)2 + (NH4)2So4 = CASo4 + NH3 + H2O =>
CA(OH)2 + (NH4)2So4 = CASo4 + 2 NH3 + 2 H2O
MgO + HCl = H2O + MgCl2 =>
MgO + 2 HCl = H2O + MgCl2
P2 + O2 = P2O3 =>
2 P2 + 3 O2 = 2 P2O3
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
P2 + O2 = P2O3 =>
2 P2 + 3 O2 = 2 P2O3
NH3 + O2 = NO2 + H20 =>
20 NH3 + 20 O2 = 20 NO2 + 3 H20
KO2 + H2O = O2 + KOH =>
4 KO2 + 2 H2O = 3 O2 + 4 KOH
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
Fe3O4(s) + CO(g) = FeO(s) + CO2(g) =>
Fe3O4(s) + CO(g) = 3 FeO(s) + CO2(g)
Na2S2O3 + HCl = NaCl + S + SO2 + H2O =>
Na2S2O3 + 2 HCl = 2 NaCl + S + SO2 + H2O
KMnO4 + K2S + H2O = MnO2 + S + KOH =>
2 KMnO4 + 3 K2S + 4 H2O = 2 MnO2 + 3 S + 8 KOH
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