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4 Al + 3 O2 = 2 Al2O3
O2 + BrH = H2O + Br2 =>
O2 + 4 BrH = 2 H2O + 2 Br2
Be3N2 + Ba2N + N2 = BaBe2N2 =>
8 Be3N2 + 6 Ba2N + N2 = 12 BaBe2N2
C2H5CO3 + O2 = CO2 + H2O =>
4 C2H5CO3 + 11 O2 = 12 CO2 + 10 H2O
Ca(ClO3)2 + Na2CO3 = CaCO3 + Na2(ClO3)2 =>
Ca(ClO3)2 + Na2CO3 = CaCO3 + Na2(ClO3)2
Fe3O + CO = Fe3 + CO2 =>
Fe3O + CO = Fe3 + CO2
Cu2S + O2 = Cu2O + SO2 =>
2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Ni2O3 + HCl = NiCl2 + Cl2 + H2O =>
Ni2O3 + 6 HCl = 2 NiCl2 + Cl2 + 3 H2O
CaCO3H2C2O4 = CaC2O4H2OCO2 =>
CaCO3H2C2O4 = CaC2O4H2OCO2
C3H6O2 + O2 = C3H4O3 + H2O =>
C3H6O2 + O2 = C3H4O3 + H2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
(NH4)3PO4(aq) + Na2SO4(aq) = (NH4)2SO4(aq) + Na3PO4(aq) =>
2(NH4)3PO4(aq) + 3 Na2SO4(aq) = 3(NH4)2SO4(aq) + 2 Na3PO4(aq)
CaOHC4H6O2 = C4H7CaO3 =>
CaOHC4H6O2 = C4H7CaO3
Pb + PbO2 + H2SO4 = PbSO4 + H2O =>
Pb + PbO2 + 2 H2SO4 = 2 PbSO4 + 2 H2O
PbO2 + I = Pb + IO3 =>
3 PbO2 + 2 I = 3 Pb + 2 IO3
Zn5(OH)6(CO3)2 + H2SO4 = ZnSO4 + CO2 + H2O =>
Zn5(OH)6(CO3)2 + 5 H2SO4 = 5 ZnSO4 + 2 CO2 + 8 H2O
Pb(OH)2HNO3 = Pb(OH)3NO2 =>
Pb(OH)2HNO3 = Pb(OH)3NO2
C2H2 + AgNO3 = AgC + HNO3 =>
C2H2 + 2 AgNO3 = 2 AgC + 2 HNO3
Ti(OH)2 + HPO3 = Ti(PO3)2 + H2O =>
Ti(OH)2 + 2 HPO3 = Ti(PO3)2 + 2 H2O
OsCr2O + Na2CO3 + O2 = NaCrO4 + Os2O3 + CO2 =>
4 OsCr2O + 4 Na2CO3 + 15 O2 = 8 NaCrO4 + 2 Os2O3 + 4 CO2
K2SO4 + MgF2 = KF + MgSO4 =>
K2SO4 + MgF2 = 2 KF + MgSO4
Fe2(SO4)3 + H2O + CaCO3 = FeOOH + CO2 + CaSO4 =>
Fe2(SO4)3 + H2O + 3 CaCO3 = 2 FeOOH + 3 CO2 + 3 CaSO4
NH33 + O = NO + H2O =>
2 NH33 + 35 O = 2 NO + 33 H2O
Al + BaO = Ba + Ba3Al2O5 =>
2 Al + 5 BaO = 2 Ba + Ba3Al2O5
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
I + BaCl2 = BaI2 + Cl =>
2 I + BaCl2 = BaI2 + 2 Cl
CH3NH2 + H2SO4 = (CH3NH3)2SO4 =>
2 CH3NH2 + H2SO4 = (CH3NH3)2SO4
Y(NO3)3*6H2O + NH4OH = Y2O3 + NH4NO3 + H2O =>
2 Y(NO3)3*6H2O + 6 NH4OH = Y2O3 + 6 NH4NO3 + 15 H2O
ClOBr = BrOCl =>
ClOBr = BrOCl
KBr + I = KI + Br2 =>
2 KBr + 2 I = 2 KI + Br2
HCl(aq) + Mn3O4(s) = MnCl2(aq) + H2O(l) + Cl2(g) =>
8 HCl(aq) + Mn3O4(s) = 3 MnCl2(aq) + 4 H2O(l) + Cl2(g)
KMnO4 + (COOH)2 + H2SO4 = MnSO4 + CO2 + K2SO4 + H2O =>
2 KMnO4 + 5(COOH)2 + 3 H2SO4 = 2 MnSO4 + 10 CO2 + K2SO4 + 8 H2O
Sr(OH)2 + Al(NO3)3 = Sr(NO3)2 + Al(OH)3 =>
3 Sr(OH)2 + 2 Al(NO3)3 = 3 Sr(NO3)2 + 2 Al(OH)3
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
Pb(NO3)2 + N2CrO4 = PbCrO4 + N2(NO3)2 =>
Pb(NO3)2 + N2CrO4 = PbCrO4 + N2(NO3)2
Be2O + O2 = BeO2 =>
2 Be2O + 3 O2 = 4 BeO2
NH2CH2COOH + C3H7OH = NH2CH2COOC3H7 + H2O =>
NH2CH2COOH + C3H7OH = NH2CH2COOC3H7 + H2O
Mg + LiNO3 = MgN2O6 + Li =>
Mg + 2 LiNO3 = MgN2O6 + 2 Li
Ca(OH)2 + As2O3 = H2O + Ca3(AsO3)2 =>
3 Ca(OH)2 + As2O3 = 3 H2O + Ca3(AsO3)2
C12H22O11 + O2 = CO + H2O =>
C12H22O11 + 6 O2 = 12 CO + 11 H2O
CaCl2*6H2O + CO2 + NH4OH = CaCO3 + NH4Cl + H2O =>
CaCl2*6H2O + CO2 + 2 NH4OH = CaCO3 + 2 NH4Cl + 7 H2O
Na(HCO3)2 + CH3COOH = CO2 + H2O + Na(C2H3O2)2 =>
Na(HCO3)2 + 2 CH3COOH = 2 CO2 + 2 H2O + Na(C2H3O2)2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HN02 + Mg(OH)2 = H2O + Mg(N02)2 =>
2 HN02 + Mg(OH)2 = 2 H2O + Mg(N02)2
Fe + CHCO4 = FeO + CHCO =>
3 Fe + CHCO4 = 3 FeO + CHCO
LiOH(aq) + VCl3(aq) = LiCl + V(OH)3 =>
3 LiOH(aq) + VCl3(aq) = 3 LiCl + V(OH)3
KMnO4 + ZnCl2 = KCl + Zn(MnO4)2 =>
2 KMnO4 + ZnCl2 = 2 KCl + Zn(MnO4)2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Na2CO3 + MgS = Na2S + MgCO3 =>
Na2CO3 + MgS = Na2S + MgCO3
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