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H2CO3(aq) = CO2(g) + H2O(l)
CrI3 + BaS = CrS + BaI3 =>
CrI3 + BaS = CrS + BaI3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
C2H5NO2 + ZnSO4 + NaOH = C2HNO2ZnNa2 + H2SO4 + H2O =>
C2H5NO2 + ZnSO4 + 2 NaOH = C2HNO2ZnNa2 + H2SO4 + 2 H2O
SO3{2-} + HNO3 = NO + SO4{2-} + H2O =>
3 SO3{2-} + 2 HNO3 = 2 NO + 3 SO4{2-} + H2O
H3PO4 + NaCN = HCN + Na3PO4 =>
H3PO4 + 3 NaCN = 3 HCN + Na3PO4
Pb(NO3)2 + SnCl2 + KOH = Pb + K2SnO3 + NO2 + Cl2 + H2O =>
Pb(NO3)2 + SnCl2 + 2 KOH = Pb + K2SnO3 + 2 NO2 + Cl2 + H2O
KIO + KI + C6H8O6 = H2O + I3 + KC6H7O6 =>
3 KIO + 3 KI + 6 C6H8O6 = 3 H2O + 2 I3 + 6 KC6H7O6
CaCO3 + SIO2 = CaSIO3 + CO2 =>
CaCO3 + SIO2 = CaSIO3 + CO2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
FeCl + NaNO3 = FeNO3 + ClNa =>
FeCl + NaNO3 = FeNO3 + ClNa
Al2(SO4)3(aq) + Ca(OH)2(aq) = CaSO4(s) + Al(OH)3 =>
Al2(SO4)3(aq) + 3 Ca(OH)2(aq) = 3 CaSO4(s) + 2 Al(OH)3
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Hg2(NO3)2 + K2Cr2O7 + HNO3 = Cr(NO3)3 + Hg(NO3)2 + KNO3 + H2O =>
3 Hg2(NO3)2 + K2Cr2O7 + 14 HNO3 = 2 Cr(NO3)3 + 6 Hg(NO3)2 + 2 KNO3 + 7 H2O
CaO + NaCl = CaCl2 + Na2O =>
CaO + 2 NaCl = CaCl2 + Na2O
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
Al(OH)3 + NH4Cl = AlCl3 + H2O + NH3 =>
Al(OH)3 + 3 NH4Cl = AlCl3 + 3 H2O + 3 NH3
SiCl4(l) + H2O(l) = SiO2(s) + HCl(a) =>
SiCl4(l) + 2 H2O(l) = SiO2(s) + 4 HCl(a)
Sn + HCl = SnCl2 + H =>
Sn + 2 HCl = SnCl2 + 2 H
NaAl(OH)4 + AlCl3 = NaCl + Al(OH)3 =>
3 NaAl(OH)4 + AlCl3 = 3 NaCl + 4 Al(OH)3
C + O = CO2 =>
C + 2 O = CO2
AuO + SO2 = AuSO2 + O2 =>
2 AuO + 2 SO2 = 2 AuSO2 + O2
N2H4 + Cu(OH)2 = N2 + Cu + H2O =>
N2H4 + 2 Cu(OH)2 = N2 + 2 Cu + 4 H2O
CO2 + C2 = CO =>
2 CO2 + C2 = 4 CO
CH3COOC2H5 + NaOH = CH3COOH + C2H5ONa =>
CH3COOC2H5 + NaOH = CH3COOH + C2H5ONa
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
CuCl2*2H2O + Ca = CaCl2 + Cu + H2O =>
CuCl2*2H2O + Ca = CaCl2 + Cu + 2 H2O
K2C2O4 + Fe(NO3)2 = Fe(C2O4) + KNO3 =>
K2C2O4 + Fe(NO3)2 = Fe(C2O4) + 2 KNO3
Fe(s) + O2(g) = Fe3O2(s) =>
3 Fe(s) + O2(g) = Fe3O2(s)
Cr(OH)4{-} + Cl2 + OH{-} = CrO42{-} + Cl{-} + H2O =>
Cr(OH)4{-} + 40 Cl2 + 80 OH{-} = CrO42{-} + 80 Cl{-} + 42 H2O
TiO2(s) + H2(g) = Ti(s) + H2O(aq) =>
TiO2(s) + 2 H2(g) = Ti(s) + 2 H2O(aq)
Mg + CuNO3 = Mg(NO3)2 + Cu =>
Mg + 2 CuNO3 = Mg(NO3)2 + 2 Cu
Na2CO3 + H2O + CO2 = NaHCO3 =>
Na2CO3 + H2O + CO2 = 2 NaHCO3
NH3 + CH3COOH = NH4 + CH2COOH =>
NH3 + CH3COOH = NH4 + CH2COOH
Fe(OH)3 + Na2SO4 = Fe2(SO4)3 + NaOH =>
2 Fe(OH)3 + 3 Na2SO4 = Fe2(SO4)3 + 6 NaOH
CH3COOH + CH3NH2 = CH3COO{-} + CH3NH3{+} =>
CH3COOH + CH3NH2 = CH3COO{-} + CH3NH3{+}
H3AsO4 = As2O5 + H2O =>
2 H3AsO4 = As2O5 + 3 H2O
CH4HOH + O2 = CO2 + H2O =>
CH4HOH + 2 O2 = CO2 + 3 H2O
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Mg2(OH)2CO3 + CO2 = MgCO3 + H2O =>
Mg2(OH)2CO3 + CO2 = 2 MgCO3 + H2O
MgF2 + H2O = MgH2 + F2O =>
MgF2 + H2O = MgH2 + F2O
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
KBr + BaCO3 = KCO3 + BaBr =>
KBr + BaCO3 = KCO3 + BaBr
P2O5(cr) + BaO(cr) = Ba3(PO4)2(cr) =>
P2O5(cr) + 3 BaO(cr) = Ba3(PO4)2(cr)
C2H6 + KMnO4 + H2O = C2H4(OH)2 + MnO2 + KOH =>
3 C2H6 + 4 KMnO4 + 2 H2O = 3 C2H4(OH)2 + 4 MnO2 + 4 KOH
CH3COH + NH3 + H2 = CH2CH3NH2 + H2O =>
CH3COH + NH3 + H2 = CH2CH3NH2 + H2O
Fe(NH4)2(SO4)2 + H2SO4 + KMnO4 = MnSO4 + Fe(SO4)3 + K2SO4 + H2O + (NH4)2SO4 =>
5 Fe(NH4)2(SO4)2 + 16 H2SO4 + 4 KMnO4 = 4 MnSO4 + 5 Fe(SO4)3 + 2 K2SO4 + 16 H2O + 5(NH4)2SO4
Na2O + CaSO4 = Na2SO4 + CaO =>
Na2O + CaSO4 = Na2SO4 + CaO
Al2(SO3)3 + H2O2 = Al2(SO4)3 + H2O =>
Al2(SO3)3 + 3 H2O2 = Al2(SO4)3 + 3 H2O
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