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2 NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(g)
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
PCl3 + Cl2 + P4O10 = POCl3 =>
6 PCl3 + 6 Cl2 + P4O10 = 10 POCl3
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
HCl + Fe2O3 = H2O + FeCl3 =>
6 HCl + Fe2O3 = 3 H2O + 2 FeCl3
PCl3 + Cl2 + P4O10 = POCl3 =>
6 PCl3 + 6 Cl2 + P4O10 = 10 POCl3
HGS + O2 = HGO + SO2 =>
2 HGS + 3 O2 = 2 HGO + 2 SO2
Al(s) + Pb(NO3)2(aq) = Pb(s) + Al(NO3)3(aq) =>
2 Al(s) + 3 Pb(NO3)2(aq) = 3 Pb(s) + 2 Al(NO3)3(aq)
HGO = HG + O2 =>
2 HGO = 2 HG + O2
H2SO4 + KOH = H2O + K2SO4 =>
H2SO4 + 2 KOH = 2 H2O + K2SO4
FeCl3 + H2S = Fe2S3 + HCl =>
2 FeCl3 + 3 H2S = Fe2S3 + 6 HCl
CaO + H2SO4 = CaSO4 + H2O =>
CaO + H2SO4 = CaSO4 + H2O
Zn + H2O = Zn(OH)2 + H2 =>
Zn + 2 H2O = Zn(OH)2 + H2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Cl2 + SO2 + H2O = H2SO4 + HCl =>
Cl2 + SO2 + 2 H2O = H2SO4 + 2 HCl
(NH4)(NO3) = N2O + H2O =>
(NH4)(NO3) = N2O + 2 H2O
KClO4 = KCl + O =>
KClO4 = KCl + 4 O
NaCl + AgNO3 = AgCl + NaNO3 =>
NaCl + AgNO3 = AgCl + NaNO3
PbO + NH3 = Pb + N2 + H2O =>
3 PbO + 2 NH3 = 3 Pb + N2 + 3 H2O
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
CU2S + O2 = CU2O + SO2 =>
2 CU2S + 3 O2 = 2 CU2O + 2 SO2
Pb(NO3)2(aq) + NaCl(aq) = PbCl2(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + 2 NaCl(aq) = PbCl2(s) + 2 NaNO3(aq)
C3H6 + O2 = CO + H2O =>
C3H6 + 3 O2 = 3 CO + 3 H2O
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
Fe(s) + HCl(aq) = FeCl2(aq) + H2(g) =>
Fe(s) + 2 HCl(aq) = FeCl2(aq) + H2(g)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CUS + HNO3 = CU(NO3)2 + S + NO + H2O =>
3 CUS + 8 HNO3 = 3 CU(NO3)2 + 3 S + 2 NO + 4 H2O
MnO2 + HCl = MnCl2 + Cl2 + H2O =>
MnO2 + 4 HCl = MnCl2 + Cl2 + 2 H2O
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
H2So4 + ZNO = ZNSo4 + H2O =>
H2So4 + ZNO = ZNSo4 + H2O
Fe + CO = Fe3C + CO2 =>
3 Fe + 2 CO = Fe3C + CO2
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
BaCl2H2O + SOCl2 = BaCl2 + HCl + SO2 =>
BaCl2H2O + SOCl2 = BaCl2 + 2 HCl + SO2
H2SO4 + ZNO = ZNSO4 + H2O =>
H2SO4 + ZNO = ZNSO4 + H2O
BACl2 + Al2(SO4)3 = BASO4 + AlCl3 =>
3 BACl2 + Al2(SO4)3 = 3 BASO4 + 2 AlCl3
BaCl2H2O + SOCl2 = BaCl2 + HCl + SO2 =>
BaCl2H2O + SOCl2 = BaCl2 + 2 HCl + SO2
H2SO4 + ZNO = ZNSO4 + H2O =>
H2SO4 + ZNO = ZNSO4 + H2O
KOH + H2SO4 = K2SO4 + H2O =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
C6H12O6(s) + O2(g) = CO2(g) + H2O(l) =>
C6H12O6(s) + 6 O2(g) = 6 CO2(g) + 6 H2O(l)
KOH + H2S = K2S + H2O =>
2 KOH + H2S = K2S + 2 H2O
H2SO4 + ZNO = ZNSO4 + H2O =>
H2SO4 + ZNO = ZNSO4 + H2O
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
K2Cr2O7 + HCl = CrCl3 + Cl2 + H2O + KCl =>
K2Cr2O7 + 14 HCl = 2 CrCl3 + 3 Cl2 + 7 H2O + 2 KCl
KOH + Cl2 = KCl + KClO3 + H2O =>
6 KOH + 3 Cl2 = 5 KCl + KClO3 + 3 H2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
HCOOH + C3H7OH = HCOOC3H7 + H20 =>
10 HCOOH + 30 C3H7OH = 25 HCOOC3H7 + 3 H20
C6H12O6(s) + O2(g) = CO2(g) + H2O(l) =>
C6H12O6(s) + 6 O2(g) = 6 CO2(g) + 6 H2O(l)
NaVO3 + H2SO4 + H2O2 = H3[VO2(O2)2] + Na2SO4 + H2O =>
2 NaVO3 + H2SO4 + 4 H2O2 = 2 H3[VO2(O2)2] + Na2SO4 + 2 H2O
AgI + Fe2(CO3)3 = FeI3 + Ag2CO3 =>
6 AgI + Fe2(CO3)3 = 2 FeI3 + 3 Ag2CO3
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