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Na2O + H2SO4 = Na2SO4H2O
PbO2 + Na2O = Na4PbO4 =>
PbO2 + 2 Na2O = Na4PbO4
O = O7 =>
7 O = O7
Co(NO3)2(aq) + Na2SO4(aq) = CoSO4 + NaNO3 =>
Co(NO3)2(aq) + Na2SO4(aq) = CoSO4 + 2 NaNO3
Ca(NO3)2 + BaCl2 = Ba(NO3)2 + CaCl2 =>
Ca(NO3)2 + BaCl2 = Ba(NO3)2 + CaCl2
ZnS + N2 = Zn3N2 + S =>
3 ZnS + N2 = Zn3N2 + 3 S
Fe(OH)3 + HNo3 = Fe(No3)3 + H2O =>
Fe(OH)3 + 3 HNo3 = Fe(No3)3 + 3 H2O
K2[HgI4] + Na2S = HgS + NaI + KI =>
K2[HgI4] + Na2S = HgS + 2 NaI + 2 KI
KBr + KBrO3 + CH3COOH = Br2 + H2O + CH3COO{-} + K{+} =>
5 KBr + KBrO3 + 6 CH3COOH = 3 Br2 + 3 H2O + 6 CH3COO{-} + 6 K{+}
Pb(NO3)2 + Li3(PO4) = Pb3(PO4)2 + LiNO3 =>
3 Pb(NO3)2 + 2 Li3(PO4) = Pb3(PO4)2 + 6 LiNO3
O{-}3 = O{-}6 =>
O{-}3 = O{-}6
PBr3 = P + Br =>
PBr3 = P + 3 Br
CH3COOH + NaNH2 = CH3COONa + CH3COONH4 =>
2 CH3COOH + NaNH2 = CH3COONa + CH3COONH4
(NH4)2Fe(SO4)2 + NaOH = Fe(OH)2 + Na2SO4 + NH4OH =>
(NH4)2Fe(SO4)2 + 4 NaOH = Fe(OH)2 + 2 Na2SO4 + 2 NH4OH
CH3NHNH2(l) + N2O(l) = CO2(g) + H2O(g) + N2(g) =>
CH3NHNH2(l) + 5 N2O(l) = CO2(g) + 3 H2O(g) + 6 N2(g)
CaO4H2O = CaOH2O4 =>
CaO4H2O = CaOH2O4
HBrO3 + SO2 + H2O = Br{-} + SO4{2-} + H{+} =>
HBrO3 + 3 SO2 + 3 H2O = Br{-} + 3 SO4{2-} + 7 H{+}
HBrO4 + Zn = ZnO + Br + H2O =>
2 HBrO4 + 7 Zn = 7 ZnO + 2 Br + H2O
CoCl2 + Na2HPO4 = Co3(PO4)2 + HCl + NaCl =>
3 CoCl2 + 2 Na2HPO4 = Co3(PO4)2 + 2 HCl + 4 NaCl
Mg + N2 = MgN =>
2 Mg + N2 = 2 MgN
CH3C4H9 + O2 = CO2 + H2 =>
CH3C4H9 + 5 O2 = 5 CO2 + 6 H2
ZnF2 + K2S = ZnS + KF =>
ZnF2 + K2S = ZnS + 2 KF
Nd2Fe14B + HNO3 = Nd(NO3)3 + Fe(NO3)3 + H3BO3 + NO2 + H2O =>
Nd2Fe14B + 99 HNO3 = 2 Nd(NO3)3 + 14 Fe(NO3)3 + H3BO3 + 51 NO2 + 48 H2O
H2SO4 + C2H6O = C2H6 + SO4 + H2O =>
H2SO4 + C2H6O = C2H6 + SO4 + H2O
Bi(NO3)3H2O + Fe(NO3)3H2O + NH2CH2COOH = BiFeO3 + CO2 + H2O + N2 =>
3 Bi(NO3)3H2O + 3 Fe(NO3)3H2O + 10 NH2CH2COOH = 3 BiFeO3 + 20 CO2 + 31 H2O + 14 N2
KH2PO4HCl = KH3PO4Cl =>
KH2PO4HCl = KH3PO4Cl
NO3 + H3O = HNO2 + H2O =>
NO3 + 3 H3O = HNO2 + 4 H2O
KClO3 + H2SO4 + C6H12O6 = HCl + CO2 + H2O + K2SO4 =>
4 KClO3 + 2 H2SO4 + C6H12O6 = 4 HCl + 6 CO2 + 6 H2O + 2 K2SO4
MnO2 = Mn2O3 + O2 =>
4 MnO2 = 2 Mn2O3 + O2
CuO + (NH4)H2PO4 = Cu4P2O9 + NH3 + H2O =>
4 CuO + 2(NH4)H2PO4 = Cu4P2O9 + 2 NH3 + 3 H2O
CaOHNa2CO3 = CaCO3Na2OH =>
CaOHNa2CO3 = CaCO3Na2OH
MgCl2(aq) + H2S(aq) = MgS(s) + HCl(aq) =>
MgCl2(aq) + H2S(aq) = MgS(s) + 2 HCl(aq)
Mg + CuSO4 = Mg(SO4)3 + Cu =>
Mg + 3 CuSO4 = Mg(SO4)3 + 3 Cu
HgO = OHg =>
HgO = OHg
HC2H3O2 + Ba(OH)2 = Ba(C2H3O2)2 + H2O =>
2 HC2H3O2 + Ba(OH)2 = Ba(C2H3O2)2 + 2 H2O
KClO3(s) = KCl(s) + O2(g) =>
2 KClO3(s) = 2 KCl(s) + 3 O2(g)
C2H3O2Cl + NaOH = H2O + NaC2H2O2Cl =>
C2H3O2Cl + NaOH = H2O + NaC2H2O2Cl
Ni(ClO3)2 = NiCl2 + O2 =>
Ni(ClO3)2 = NiCl2 + 3 O2
Cu2S + O2 = CuO2 + SO =>
2 Cu2S + 5 O2 = 4 CuO2 + 2 SO
NaCl + CaCl2 + AgNO3 = AgCl + Ca + Na(NO3)2 =>
2 NaCl + CaCl2 + 4 AgNO3 = 4 AgCl + Ca + 2 Na(NO3)2
(NH4)2SO4*FeSO4*6H2O + K3[Fe(CN)6] = KFe[Fe(CN)6] + K2SO4 + (NH4)2SO4 + H2O =>
(NH4)2SO4*FeSO4*6H2O + K3[Fe(CN)6] = KFe[Fe(CN)6] + K2SO4 + (NH4)2SO4 + 6 H2O
Na2(CO3) + CH3COOH = CO2 + H2O + CH3COONa =>
Na2(CO3) + 2 CH3COOH = CO2 + H2O + 2 CH3COONa
CH3COOHSOCl2 = CH3COClSO2HCl =>
CH3COOHSOCl2 = CH3COClSO2HCl
Na2TeO3 + H2SO4 = H2TeO3 + Na2SO4 =>
Na2TeO3 + H2SO4 = H2TeO3 + Na2SO4
H2SO4 + Al2O3 = Al2SO4 + H2O + O2 =>
H2SO4 + Al2O3 = Al2SO4 + H2O + O2
K2S + Cu = CuK + S =>
K2S + 2 Cu = 2 CuK + S
Ca(OH)2 + NH4I = CaI2 + H2O + NH3 =>
Ca(OH)2 + 2 NH4I = CaI2 + 2 H2O + 2 NH3
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
NaCO3MgCl = MgCO3NaCl =>
NaCO3MgCl = MgCO3NaCl
Mg(NO3)2 + Fe2(SO4)3 = MgSO4 + Fe(NO3)3 =>
3 Mg(NO3)2 + Fe2(SO4)3 = 3 MgSO4 + 2 Fe(NO3)3
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