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Na2CO3 + HCl = Na2Cl + HCO3
CaO + HCl = CaOHCl3 + H20 =>
10 CaO + 30 HCl = 10 CaOHCl3 + H20
Ca(s) + Br2(l) = CaBr2(s) =>
Ca(s) + Br2(l) = CaBr2(s)
Fe(NO3)3 + NH4OH = Fe(OH)3 + NH4(NO3) =>
Fe(NO3)3 + 3 NH4OH = Fe(OH)3 + 3 NH4(NO3)
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Mg(NO3)2 + K3PO4 = MgPO4 + K3(NO3)2 =>
Mg(NO3)2 + K3PO4 = MgPO4 + K3(NO3)2
FeCl3 + H2S = FeCl2 + HCl + S =>
2 FeCl3 + H2S = 2 FeCl2 + 2 HCl + S
Ca(s) + Br2(l) = CaBr2(s) =>
Ca(s) + Br2(l) = CaBr2(s)
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
AlCl3 + NaOH = AlOH + NaCl3 =>
AlCl3 + NaOH = AlOH + NaCl3
Al2(SO4)3 + KOH = Al(OH)3 + K2SO4 =>
Al2(SO4)3 + 6 KOH = 2 Al(OH)3 + 3 K2SO4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
P4(s) + O2(g) = P4O10(s) =>
P4(s) + 5 O2(g) = P4O10(s)
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
FeCl3 + H2S = FeCl2 + HCl + S =>
2 FeCl3 + H2S = 2 FeCl2 + 2 HCl + S
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Cr + S8 = Cr2S3 =>
16 Cr + 3 S8 = 8 Cr2S3
BCl3 + H2O = H3BO3 + HCl =>
BCl3 + 3 H2O = H3BO3 + 3 HCl
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
BaCl2 + Na3PO4 = Ba3(PO4)2 + NaCl =>
3 BaCl2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaCl
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
C4H8(g) + O2(g) = CO2(g) + H2O(l) =>
C4H8(g) + 6 O2(g) = 4 CO2(g) + 4 H2O(l)
Sb2S3(s) + HCl(aq) = SbCl3(s) + H2S(g) =>
Sb2S3(s) + 6 HCl(aq) = 2 SbCl3(s) + 3 H2S(g)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
FeO3(s) + C(s) = Fe(s) + CO(g) =>
FeO3(s) + 3 C(s) = Fe(s) + 3 CO(g)
Zn(s) + H2SO4(aq) = ZnSO4(aq) + H2(g) =>
Zn(s) + H2SO4(aq) = ZnSO4(aq) + H2(g)
HCl(aq) + Cu(s) = CuCl2(aq) + H2(g) =>
2 HCl(aq) + Cu(s) = CuCl2(aq) + H2(g)
Mg + H3PO4 = Mg3(PO4)2 + H2 =>
3 Mg + 2 H3PO4 = Mg3(PO4)2 + 3 H2
Cu(s) + HCl(aq) = CuCl2(aq) + H2(g) =>
Cu(s) + 2 HCl(aq) = CuCl2(aq) + H2(g)
NH4HCO4 = H2O + CO + NH4NO3 =>
2 NH4HCO4 = 3 H2O + 2 CO + NH4NO3
HNO3 + K2CrO4 + Fe(NO3)2 = KNO3 + Fe(NO3)3 + Cr(NO3)3 + H2O =>
8 HNO3 + K2CrO4 + 3 Fe(NO3)2 = 2 KNO3 + 3 Fe(NO3)3 + Cr(NO3)3 + 4 H2O
Fe(NO3)3 + NH3 + H2O = Fe(OH)3 + NH4NO3 =>
Fe(NO3)3 + 3 NH3 + 3 H2O = Fe(OH)3 + 3 NH4NO3
NH4HCO4 = NH3 + CO3 + H2O =>
NH4HCO4 = NH3 + CO3 + H2O
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
Ca(OH)2 + H3PO4 = Ca(H2PO4)2 + H2O =>
Ca(OH)2 + 2 H3PO4 = Ca(H2PO4)2 + 2 H2O
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
NO2 + O2 = N2O5 =>
4 NO2 + O2 = 2 N2O5
Al(s) + H2SO4(aq) = Al2(SO4)3(aq) + H2(g) =>
2 Al(s) + 3 H2SO4(aq) = Al2(SO4)3(aq) + 3 H2(g)
Zn(s) + CuSO4(aq) = Cu(s) + ZnSO4(aq) =>
Zn(s) + CuSO4(aq) = Cu(s) + ZnSO4(aq)
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
C8H8O2 + HNO3 = C8H7NO4 + H2O =>
C8H8O2 + HNO3 = C8H7NO4 + H2O
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
PBr3 = P + Br =>
PBr3 = P + 3 Br
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