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2 HNO3 + H2S = 2 H2O + 2 NO2 + S
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
CaCO3(s) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
NAHSO3 + HCL = SO2 + H2O + NACL =>
NAHSO3 + HCL = SO2 + H2O + NACL
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
CCl4 + CH2CHCl + HF = C3H3F5 + HCl =>
CCl4 + CH2CHCl + 5 HF = C3H3F5 + 5 HCl
NH4NO3 + H2O = NH3NO3 + H3O =>
NH4NO3 + H2O = NH3NO3 + H3O
CaF2 + KOH = Ca(OH)2 + KF =>
CaF2 + 2 KOH = Ca(OH)2 + 2 KF
Fe + H2So4 = Fe2(So4)3 + H2 =>
2 Fe + 3 H2So4 = Fe2(So4)3 + 3 H2
BCl3 + P4 + H2 = BP + HCl =>
4 BCl3 + P4 + 6 H2 = 4 BP + 12 HCl
HNO3 + H2S = NO + H2O + S =>
2 HNO3 + 3 H2S = 2 NO + 4 H2O + 3 S
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
H2S + H2SO3 = S + H2O =>
2 H2S + H2SO3 = 3 S + 3 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
H3PO4 + Ca(HCO3)2 = Ca3(PO4)2 + H2O + CO2 =>
2 H3PO4 + 3 Ca(HCO3)2 = Ca3(PO4)2 + 6 H2O + 6 CO2
Mg + NO2 = MgO + N2 =>
4 Mg + 2 NO2 = 4 MgO + N2
H2 + Br = HBr =>
H2 + 2 Br = 2 HBr
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
MnO + PbO2 + HNO3 = HMnO4 + Pb(NO3)2 + H2O =>
2 MnO + 5 PbO2 + 10 HNO3 = 2 HMnO4 + 5 Pb(NO3)2 + 4 H2O
Cl2 + KI = KCl + I2 =>
Cl2 + 2 KI = 2 KCl + I2
K + O2 = K2O =>
4 K + O2 = 2 K2O
Ca(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca(PO4)2 + 2 SiO2 + 14 C = 2 CaSiO3 + P4 + 14 CO
Ti + O2 = TiO2 =>
Ti + O2 = TiO2
Pb3O4 = PbO + O2 =>
2 Pb3O4 = 6 PbO + O2
HCl(aq) + NaHCO3(s) = NaCl(aq) + H2O(l) + CO2(g) =>
HCl(aq) + NaHCO3(s) = NaCl(aq) + H2O(l) + CO2(g)
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
O + HBr = H2O + Br =>
O + 2 HBr = H2O + 2 Br
HCl + As2O3 + NaNO3 + H2O = NO + H3AsO4 + NaCl =>
4 HCl + 3 As2O3 + 4 NaNO3 + 7 H2O = 4 NO + 6 H3AsO4 + 4 NaCl
NaI + H2SO4 = H2S + I2 + Na2SO4 + H2O =>
8 NaI + 5 H2SO4 = H2S + 4 I2 + 4 Na2SO4 + 4 H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
NO2 + H20 = HNO3 + NO =>
40 NO2 + H20 = 20 HNO3 + 20 NO
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
CuSO4(ac) + Zn(s) = Cu(s) + ZnSO4 =>
CuSO4(ac) + Zn(s) = Cu(s) + ZnSO4
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
Pb(NO3)2 + KCl = PbCl2 + KNO3 =>
Pb(NO3)2 + 2 KCl = PbCl2 + 2 KNO3
Na + H2O = H2 + NaOH =>
2 Na + 2 H2O = H2 + 2 NaOH
CaCN2 + H2O = CaCO3 + NH3 =>
CaCN2 + 3 H2O = CaCO3 + 2 NH3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Ca(OH)2 + H2SO4 = CaSO4 + HOH =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 HOH
C3H15N + O2 = CO2 + H2O + NO2 =>
4 C3H15N + 31 O2 = 12 CO2 + 30 H2O + 4 NO2
C6H12O6 = H2O + C =>
C6H12O6 = 6 H2O + 6 C
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
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