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CaCO3(s) + 2 HCl(aq) = CaCl2(aq) + CO2(g) + H2O(l)
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
CuCl2 + Na2S = CuS + NaCl =>
CuCl2 + Na2S = CuS + 2 NaCl
CH4 + H2O = CO2 + H20 =>
5 CH4 + 10 H2O = 5 CO2 + 2 H20
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
Zn + CuCl2 = ZnCl2 + Cu =>
Zn + CuCl2 = ZnCl2 + Cu
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
AgI + Fe2(CO3)3 = FeI3 + Ag2CO3 =>
6 AgI + Fe2(CO3)3 = 2 FeI3 + 3 Ag2CO3
CuCl2 = Cu + Cl2 =>
CuCl2 = Cu + Cl2
H3AsO3 + Sn(OH)4 = Sn3(AsO3)4 + H2O =>
4 H3AsO3 + 3 Sn(OH)4 = Sn3(AsO3)4 + 12 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
K(s) + Cl2(g) = KCl(s) =>
2 K(s) + Cl2(g) = 2 KCl(s)
AgNO3 + H2SO4 = Ag2SO4 + HNO3 =>
2 AgNO3 + H2SO4 = Ag2SO4 + 2 HNO3
Al4C3 + HCl = AlCl3 + CH4 =>
Al4C3 + 12 HCl = 4 AlCl3 + 3 CH4
Sr + O2 = SrO =>
2 Sr + O2 = 2 SrO
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Cl2 + HBr = HCl + Br2 =>
Cl2 + 2 HBr = 2 HCl + Br2
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C + O2 = CO =>
2 C + O2 = 2 CO
Sn + NaOH = Na2SnO2 + H2 =>
Sn + 2 NaOH = Na2SnO2 + H2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
N2 + O2 = NO =>
N2 + O2 = 2 NO
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Be(OH)2 + H3PO4 = Be3(PO4)2 + H2O =>
3 Be(OH)2 + 2 H3PO4 = Be3(PO4)2 + 6 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
Fe + Cu{2+} = Fe{2+} + Cu =>
Fe + Cu{2+} = Fe{2+} + Cu
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
BaCl2 + AgNO3 = AgCl + Ba(NO3)2 =>
BaCl2 + 2 AgNO3 = 2 AgCl + Ba(NO3)2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
NH4NO3(s) = N2O(g) + H2O(l) =>
NH4NO3(s) = N2O(g) + 2 H2O(l)
Cu + HCl = CuCl2 + H2 =>
Cu + 2 HCl = CuCl2 + H2
Al2(SO4)3 + BaCl2 = BaSO4 + AlCl3 =>
Al2(SO4)3 + 3 BaCl2 = 3 BaSO4 + 2 AlCl3
Zn + HCl = ZnCl2 + H =>
Zn + 2 HCl = ZnCl2 + 2 H
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
NH4NO3(s) = N2O(g) + H2O(l) =>
NH4NO3(s) = N2O(g) + 2 H2O(l)
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
HI + NaOH = NaI + H2O =>
HI + NaOH = NaI + H2O
Zn + AgCl = ZnCl2 + Ag =>
Zn + 2 AgCl = ZnCl2 + 2 Ag
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
PtC14(s) = Pt(s) + C12(g)PtC14(s) = Pt(s) + C12(g) =>
13 PtC14(s) = 6 Pt(s) + 7 C12(g)PtC14(s)
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