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CaCr2O7 + 2 NaOH = Na2Cr2O7 + Ca(OH)2
NiSO4 + Na2CO3 + H2O = (NiOH)2CO3 + Na2SO4 + NaHCO3 =>
2 NiSO4 + 3 Na2CO3 + 2 H2O = (NiOH)2CO3 + 2 Na2SO4 + 2 NaHCO3
H2(O)2 = OH =>
H2(O)2 = 2 OH
K2O2K2O2 = K2OK2O + O2 =>
K2O2K2O2 = K2OK2O + O2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
CaCO3(s) + SO2(g) + O2(g) = CaSO4(s) + CO2(g) =>
2 CaCO3(s) + 2 SO2(g) + O2(g) = 2 CaSO4(s) + 2 CO2(g)
Pb4S2 + O = Pb4O2 + SO2 =>
Pb4S2 + 6 O = Pb4O2 + 2 SO2
Bi2S3 + HNO3 = Bi2(NO3)3 + H2O + NO + S =>
Bi2S3 + 4 HNO3 = Bi2(NO3)3 + 2 H2O + NO + 3 S
Mg(OH)2 + HNO2 = Mg(NO3)2 + H2 =>
Mg(OH)2 + 2 HNO2 = Mg(NO3)2 + 2 H2
Fe + Pb(ClO)2 = Fe(ClO)3 + Pb =>
2 Fe + 3 Pb(ClO)2 = 2 Fe(ClO)3 + 3 Pb
BaSO2 = SOBaO =>
BaSO2 = SOBaO
KClO3 + Na2SO4 = K2SO4 + NaClO + O2 =>
2 KClO3 + Na2SO4 = K2SO4 + 2 NaClO + 2 O2
NaOH + AgNO3 = NaNO3 + AgOH =>
NaOH + AgNO3 = NaNO3 + AgOH
C2H5OH + J2 + NaOH = CH3J + H2O + HCOONa =>
5 C2H5OH + 4 J2 + 2 NaOH = 8 CH3J + 3 H2O + 2 HCOONa
KNO2 + Ni(NO3)2*6H2O = K4[Ni(NO2)6]H2O + O2 + H2O =>
4 KNO2 + Ni(NO3)2*6H2O = K4[Ni(NO2)6]H2O + O2 + 5 H2O
MnOH2 + H2SO4 = MnOH2SO4 + H2 =>
MnOH2 + H2SO4 = MnOH2SO4 + H2
CH3(CH2)6CHO[O] = CH3(CH2)6COOH =>
CH3(CH2)6CHO[O] = CH3(CH2)6COOH
FeC2O4*2H2O + H2C2O4 + H2O2 + K2C2O4 = K3Fe(C2O4)3*3H2O =>
2 FeC2O4*2H2O + H2C2O4 + H2O2 + 3 K2C2O4 = 2 K3Fe(C2O4)3*3H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KCNH2O = KOHCNH =>
KCNH2O = KOHCNH
Na3PO4Cr2(SO4)3 = Na3(SO4)3Cr2(PO4) =>
Na3PO4Cr2(SO4)3 = Na3(SO4)3Cr2(PO4)
PbO + NaOH = NaPbO + OH =>
PbO + NaOH = NaPbO + OH
K2CrO4 + KI + H2O = Cr(OH)3 + KIO3 + KOH =>
2 K2CrO4 + KI + 5 H2O = 2 Cr(OH)3 + KIO3 + 4 KOH
Ba + C2H3O2 = BaC2H3O2 =>
Ba + C2H3O2 = BaC2H3O2
Fe(s) + H2O(l) = Fe3O4 + H2(g) =>
3 Fe(s) + 4 H2O(l) = Fe3O4 + 4 H2(g)
NaIO3 + HCl = NaCl + HI + O2 =>
2 NaIO3 + 2 HCl = 2 NaCl + 2 HI + 3 O2
KCl(aq)Hg2(C2H3O2)2(aq) = K(C2H3O2)2Hg2Cl =>
KCl(aq)Hg2(C2H3O2)2(aq) = K(C2H3O2)2Hg2Cl
Mg(ClO4)2Na2CO3 = Na2(ClO4)2MgCO3 =>
Mg(ClO4)2Na2CO3 = Na2(ClO4)2MgCO3
Fe(OH)2 + Na2O2 + H2O = Fe(OH)3 + NaOH =>
2 Fe(OH)2 + Na2O2 + 2 H2O = 2 Fe(OH)3 + 2 NaOH
CaCl2 + K3PO4 = Ca3(PO4)2 + KCl =>
3 CaCl2 + 2 K3PO4 = Ca3(PO4)2 + 6 KCl
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
I2 + HClO + H2O = HCl + HIO4 =>
I2 + 7 HClO + H2O = 7 HCl + 2 HIO4
Al2 + (SO4)2 + NaOH = Al(OH)3 + Na2SO4 =>
2 Al2 + 3(SO4)2 + 12 NaOH = 4 Al(OH)3 + 6 Na2SO4
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
HF + Mg(OH)2 = H2O + MgF2 =>
2 HF + Mg(OH)2 = 2 H2O + MgF2
HgCl2H2S = HgS + HCl =>
HgCl2H2S = HgS + 2 HCl
Cu(s)HNO3(aq) = Cu2NO3(aq)NO2(g)H2O(l) =>
2 Cu(s)HNO3(aq) = Cu2NO3(aq)NO2(g)H2O(l)
H3C6H5O7 + NaCO3 = CO2 + H2O + Na3C6H5O7 =>
7 H3C6H5O7 + 18 NaCO3 = 24 CO2 + 13 H2O + 6 Na3C6H5O7
HKOH + CO2 = K2CO2 + H2O =>
2 HKOH + CO2 = K2CO2 + 2 H2O
K2O + HNO3 = KNO3 + H2O =>
K2O + 2 HNO3 = 2 KNO3 + H2O
silver + HBr = AgBr + hydrogen =>
2 Ag + 2 HBr = 2 AgBr + H2
HBr + Al(OH)3 = AlBrO + H2O =>
HBr + Al(OH)3 = AlBrO + 2 H2O
FeU3 + NaOH = Fe(OH)3 + NaU =>
FeU3 + 3 NaOH = Fe(OH)3 + 3 NaU
[(CH3)2CH]2ZnCd = [(CH3)2CH]2CdZn =>
[(CH3)2CH]2ZnCd = [(CH3)2CH]2CdZn
CaCl2 + NaHCO3 + H2O = H2CO3 + NaCl + Ca(OH)2 =>
CaCl2 + 2 NaHCO3 + 2 H2O = 2 H2CO3 + 2 NaCl + Ca(OH)2
HBr(aq)NaHCO3(aq) = H2CO3(aq)NaBr(aq) =>
HBr(aq)NaHCO3(aq) = H2CO3(aq)NaBr(aq)
Mg + H2SO4 = Mg(H2SO4)2 =>
Mg + 2 H2SO4 = Mg(H2SO4)2
Cd + FeSO4 = CdSO4 + Fe =>
Cd + FeSO4 = CdSO4 + Fe
KI + K2Cr3O7 = K3Cr + IO =>
7 KI + K2Cr3O7 = 3 K3Cr + 7 IO
CO + KMnO4 = KO + CMnO4 =>
CO + KMnO4 = KO + CMnO4
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