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3 Cu + 4 HNO3 = 3 Cu(NO3) + 2 H2O + NO
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
H3BO3 + NaOH = H2O + Na2B4O7 =>
4 H3BO3 + 2 NaOH = 7 H2O + Na2B4O7
Cr2O3 + Mg = MgO + Cr =>
Cr2O3 + 3 Mg = 3 MgO + 2 Cr
Ni + HCl = H2 + NiCl =>
2 Ni + 2 HCl = H2 + 2 NiCl
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + H2O(l) + NO2(g) =>
Cu(s) + 4 HNO3(aq) = Cu(NO3)2(aq) + 2 H2O(l) + 2 NO2(g)
Fe3O4 + HNO3 = Fe(NO3)3 + NO + H2O =>
3 Fe3O4 + 28 HNO3 = 9 Fe(NO3)3 + NO + 14 H2O
Ni + HCl = H2 + NiCl2 =>
Ni + 2 HCl = H2 + NiCl2
H3PO4 + Ba(OH)2 = Ba3(PO4)2 + H2O =>
2 H3PO4 + 3 Ba(OH)2 = Ba3(PO4)2 + 6 H2O
ZnO + NaOH = Na2ZnO2 + H2O =>
ZnO + 2 NaOH = Na2ZnO2 + H2O
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
Cr2O3 + Mg = MgO + Cr =>
Cr2O3 + 3 Mg = 3 MgO + 2 Cr
Cu + HNO3 = Cu(NO3) + H2O + NO =>
3 Cu + 4 HNO3 = 3 Cu(NO3) + 2 H2O + NO
NH4Cl = NH3 + HCl =>
NH4Cl = NH3 + HCl
CuO + NH3 = Cu + N2 + H2O =>
3 CuO + 2 NH3 = 3 Cu + N2 + 3 H2O
NH4Cl = NH3 + HCl =>
NH4Cl = NH3 + HCl
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
S + KClO3 + H2O = Cl2 + K2SO4 + H2SO4 =>
5 S + 6 KClO3 + 2 H2O = 3 Cl2 + 3 K2SO4 + 2 H2SO4
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
ZnO + H2O = Zn(OH)2 =>
ZnO + H2O = Zn(OH)2
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
H + Cl + NaOH = NaCl + H2O =>
H + Cl + NaOH = NaCl + H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
K2S + NiCl2 = NiS + KCl =>
K2S + NiCl2 = NiS + 2 KCl
Br + KCl = K + BrCl =>
Br + KCl = K + BrCl
AgNO3 + Cu = Cu(NO3)2 + Ag =>
2 AgNO3 + Cu = Cu(NO3)2 + 2 Ag
HNO3 + KI = I2 + H2O + KNO3 + NO2 =>
4 HNO3 + 2 KI = I2 + 2 H2O + 2 KNO3 + 2 NO2
NaClO + NaI + HCl = NaCl + I2 + H2O =>
NaClO + 2 NaI + 2 HCl = 3 NaCl + I2 + H2O
NH4Cl + KOH = NH3 + H2O + KCl =>
NH4Cl + KOH = NH3 + H2O + KCl
HCOOH + NH3 = (NH4)2COO =>
HCOOH + 2 NH3 = (NH4)2COO
Mg(s) + HCl(aq) = MgCl2(aq) + H2(g) =>
Mg(s) + 2 HCl(aq) = MgCl2(aq) + H2(g)
KHCO3 = CO2 + H2O + K2CO3 =>
2 KHCO3 = CO2 + H2O + K2CO3
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
N2O + O2 = NO2 =>
2 N2O + 3 O2 = 4 NO2
Mg(s) + HCl(aq) = MgCl2(aq) + H2(g) =>
Mg(s) + 2 HCl(aq) = MgCl2(aq) + H2(g)
Na + O2 = NaO =>
2 Na + O2 = 2 NaO
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O + I2 =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 7 H2O + 3 I2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Cl2 + P = PCl5 =>
5 Cl2 + 2 P = 2 PCl5
C3H5(OH)3 + O2 = CO2 + H2O =>
2 C3H5(OH)3 + 7 O2 = 6 CO2 + 8 H2O
PbO2 + HCl = PbCl2 + H2O + Cl2 =>
PbO2 + 4 HCl = PbCl2 + 2 H2O + Cl2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
H2SiF6 + Na{+} + Cl{-} = Na2SiF6 + HCl =>
H2SiF6 + 2 Na{+} + 2 Cl{-} = Na2SiF6 + 2 HCl
Ca(OH)2 + SO3 = CaSO4 + H2O =>
Ca(OH)2 + SO3 = CaSO4 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
K2CO3 + H3PO4 = K3PO4 + H2O + CO2 =>
3 K2CO3 + 2 H3PO4 = 2 K3PO4 + 3 H2O + 3 CO2
V2O5 + Ca = CaO + V =>
V2O5 + 5 Ca = 5 CaO + 2 V
CuS + HNO3 = Cu(NO3)2 + NO2 + SO2 + H2O =>
CuS + 8 HNO3 = Cu(NO3)2 + 6 NO2 + SO2 + 4 H2O
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