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2 NaOH + H2CO3 = Na2CO3 + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
(NH4)2Cr2O7 = Cr2O3 + H2O + N2 =>
(NH4)2Cr2O7 = Cr2O3 + 4 H2O + N2
Ca + MgSO3 = CaSO3 + Mg =>
Ca + MgSO3 = CaSO3 + Mg
Br2O7 + CO2 = BrO7 + CO =>
Br2O7 + 7 CO2 = 2 BrO7 + 7 CO
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
As2O3 + KI + HCl = AsI3 + KCl + H2O =>
As2O3 + 6 KI + 6 HCl = 2 AsI3 + 6 KCl + 3 H2O
NaHCO3 + H3PO4 = Na3PO4 + CO2 + H2O =>
3 NaHCO3 + H3PO4 = Na3PO4 + 3 CO2 + 3 H2O
NH3 + NO2 = N2 + H2O =>
8 NH3 + 6 NO2 = 7 N2 + 12 H2O
AgNO3 + BaCl2 = AgCl + Ba(NO3)2 =>
2 AgNO3 + BaCl2 = 2 AgCl + Ba(NO3)2
(COOH)2(aq) + KMnO4(aq) + H2SO4(aq) = MnSO4(aq) + K2SO4(aq) + CO2(g) + H2O(l) =>
5(COOH)2(aq) + 2 KMnO4(aq) + 3 H2SO4(aq) = 2 MnSO4(aq) + K2SO4(aq) + 10 CO2(g) + 8 H2O(l)
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
NH3 + NO = N + H2O =>
2 NH3 + 3 NO = 5 N + 3 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
K(NO3) + Na2(SO4) = K2SO4 + Na(NO3) =>
2 K(NO3) + Na2(SO4) = K2SO4 + 2 Na(NO3)
Pb + AgNO3 = Pb(NO3)2 + Ag =>
Pb + 2 AgNO3 = Pb(NO3)2 + 2 Ag
KNO3 = K2O + N2 + O2 =>
4 KNO3 = 2 K2O + 2 N2 + 5 O2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
CuO(s) + C(s) = Cu(s) + CO2(g) =>
2 CuO(s) + C(s) = 2 Cu(s) + CO2(g)
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
Pb + CuSO4 = PbSO4 + Cu =>
Pb + CuSO4 = PbSO4 + Cu
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
CO2 + H2O = C3H8 + O2 =>
3 CO2 + 4 H2O = C3H8 + 5 O2
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
Pb + AgNO3 = PbNO3 + Ag =>
Pb + AgNO3 = PbNO3 + Ag
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
Al + HBr = AlBr3 + H2 =>
2 Al + 6 HBr = 2 AlBr3 + 3 H2
P + Br2 = PBr3 =>
2 P + 3 Br2 = 2 PBr3
Na3Fe(CN)6 + Pb(C2O4)2 = Na2C2O4 + Pb3[Fe(CN)6]4 =>
4 Na3Fe(CN)6 + 3 Pb(C2O4)2 = 6 Na2C2O4 + Pb3[Fe(CN)6]4
K + NaCl = KCl + Na =>
K + NaCl = KCl + Na
Zn(OH)2 = ZnO + H2O =>
Zn(OH)2 = ZnO + H2O
K + NaCl = KCl + Na =>
K + NaCl = KCl + Na
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
Al(NO3)3 + Mg = Mg(NO3)2 + Al =>
2 Al(NO3)3 + 3 Mg = 3 Mg(NO3)2 + 2 Al
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
Ag + H2S = Ag2S + H2 =>
2 Ag + H2S = Ag2S + H2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Na2CO3(aq) + CoCl2(aq) = NaCl(aq) + CoCO3(s) =>
Na2CO3(aq) + CoCl2(aq) = 2 NaCl(aq) + CoCO3(s)
HC2H3O2 + Ca(OH)2 = H2O + Ca(C2H3O2)2 =>
2 HC2H3O2 + Ca(OH)2 = 2 H2O + Ca(C2H3O2)2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Mg + ZnCl2 = MgCl2 + Zn =>
Mg + ZnCl2 = MgCl2 + Zn
NH3 + O2 + CH4 = HCN + H2O =>
2 NH3 + 3 O2 + 2 CH4 = 2 HCN + 6 H2O
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
P + Br2 = PBr3 =>
2 P + 3 Br2 = 2 PBr3
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