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3 ZnO + K2O = 2 KO2 + 3 Zn
Pb + NaOH + H2O = Na2[Pb(OH)6] + H2 =>
Pb + 2 NaOH + 4 H2O = Na2[Pb(OH)6] + 2 H2
Li2CrO4 + Hg2(NO3)2 = LiNO3 + Hg2CrO4 =>
Li2CrO4 + Hg2(NO3)2 = 2 LiNO3 + Hg2CrO4
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
CH3CH2Br + Br2 = C2H4Br2 + HBr =>
CH3CH2Br + Br2 = C2H4Br2 + HBr
Mg + N3 = MgN =>
3 Mg + N3 = 3 MgN
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
H2O(l) + HNO3(aq) = NH3 + O2 =>
H2O(l) + HNO3(aq) = NH3 + 2 O2
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
CaOHCO2 = CaHCO3 =>
CaOHCO2 = CaHCO3
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Mg + N3 = MgN =>
3 Mg + N3 = 3 MgN
KOH + H2SO4 = KO + S + H2O =>
6 KOH + H2SO4 = 6 KO + S + 4 H2O
K20 + CO2 = KCO2 =>
K20 + 20 CO2 = 20 KCO2
H2SO4 + CUO = CUSO4 + H2O =>
H2SO4 + CUO = CUSO4 + H2O
CaCO3(s) + HCl = CaCl2 + CO2(g) + H2O =>
CaCO3(s) + 2 HCl = CaCl2 + CO2(g) + H2O
Ba(NO3)2 + Na2S2O3 = Ba2(S2O3)2 + NaNO3 =>
2 Ba(NO3)2 + 2 Na2S2O3 = Ba2(S2O3)2 + 4 NaNO3
N2O5 + Ca(OH)2 = CaO2 + NOH + H2O =>
N2O5 + 4 Ca(OH)2 = 4 CaO2 + 2 NOH + 3 H2O
HF + K2SO4 = H2SO4 + KF =>
2 HF + K2SO4 = H2SO4 + 2 KF
N{2+} + O{-2} = NO =>
N{2+} + O{-2} = NO
MnO4{-} + NO2{-} + H2O = MnO2 + NO3{-} + OH{-} =>
2 MnO4{-} + 3 NO2{-} + H2O = 2 MnO2 + 3 NO3{-} + 2 OH{-}
K2Cr2O7*H2O2 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + O2 =>
K2Cr2O7*H2O2 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 5 H2O + 2 O2
CH3CH(OH)CH3 + HNO3 = CH3CHO(NO2)CH3 + H2O =>
CH3CH(OH)CH3 + HNO3 = CH3CHO(NO2)CH3 + H2O
Ba(ClO3)2 + MnO2 + NaOH = Na2MnO4 + BaCl2 + H2O =>
Ba(ClO3)2 + 6 MnO2 + 12 NaOH = 6 Na2MnO4 + BaCl2 + 6 H2O
OH = HO =>
OH = HO
As2S + HNO3 = H2AsO4 + H2SO4 + NO =>
As2S + 6 HNO3 = 2 H2AsO4 + H2SO4 + 6 NO
KBr = K + (Br)2 =>
2 KBr = 2 K + (Br)2
C4H8CH3OH + CH3COOH = CH3COOC4H8CH3 + H2 =>
10 C4H8CH3OH + 3 CH3COOH = 8 CH3COOC4H8CH3 + 10 H2
LiH + BCl3 = LiCl3 + BH =>
LiH + BCl3 = LiCl3 + BH
Co(SO4)2 + Zn(NO3)2 = Co(NO3)2 + Zn(SO4)2 =>
Co(SO4)2 + Zn(NO3)2 = Co(NO3)2 + Zn(SO4)2
Mg(NO3)2 + H2SO4 = MgSO4 + NHO3 =>
Mg(NO3)2 + H2SO4 = MgSO4 + 2 NHO3
HOCl = ClOH =>
HOCl = ClOH
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Cr(NO3)3 + HCl + Cu = Cu(NO3)2 + CrCl2 + NO + H2O =>
4 Cr(NO3)3 + 8 HCl + 5 Cu = 5 Cu(NO3)2 + 4 CrCl2 + 2 NO + 4 H2O
Na2CO3 + HCl = NaCl + H2CO3 =>
Na2CO3 + 2 HCl = 2 NaCl + H2CO3
Cu(OH)2 + Pb(NO3)2 = Cu(NO3)2 + Pb(OH)2 =>
Cu(OH)2 + Pb(NO3)2 = Cu(NO3)2 + Pb(OH)2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
NiC2O4*2H2O + O2 = Ni3O3 + H2O + CO2 =>
6 NiC2O4*2H2O + 3 O2 = 2 Ni3O3 + 12 H2O + 12 CO2
Ca3 + (PO)2 + H2SO4 = CaSO4 + Ca(HPO)2 =>
2 Ca3 + 3(PO)2 + 3 H2SO4 = 3 CaSO4 + 3 Ca(HPO)2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CaCl2K3(PO4) = Ca(PO4)K3Cl2 =>
CaCl2K3(PO4) = Ca(PO4)K3Cl2
MgO2 + H2 = Mg(OH)2 =>
MgO2 + H2 = Mg(OH)2
CaNO2 + H2O = Ca(OH)2 + H2NO2 =>
CaNO2 + 2 H2O = Ca(OH)2 + H2NO2
Cr2(CO3)3 + H2O = Cr(OH)3(v) + CO2(g) =>
Cr2(CO3)3 + 3 H2O = 2 Cr(OH)3(v) + 3 CO2(g)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
SO4 + BaCl2 = BaSO4 + Cl2 =>
SO4 + BaCl2 = BaSO4 + Cl2
CuSO4 + Mn = Mn2(SO4)3 + Cu =>
3 CuSO4 + 2 Mn = Mn2(SO4)3 + 3 Cu
AgCl + Na2S2O3 = Ag2S2O3 + NaCl =>
2 AgCl + Na2S2O3 = Ag2S2O3 + 2 NaCl
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
Ni + Al(NO3)3 = Al + Ni(NO3)2 =>
3 Ni + 2 Al(NO3)3 = 2 Al + 3 Ni(NO3)2
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