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2 Au2O3 = 4 Au + 3 O2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
NH3 + CH3OH = CH3NH2 + HOH =>
NH3 + CH3OH = CH3NH2 + HOH
K2Cr2O7 + HF = K2O + Cr2O3 + H2O + F2 =>
K2Cr2O7 + 6 HF = K2O + Cr2O3 + 3 H2O + 3 F2
BaCO3(s) + HCl(aq) = BaCl2(aq) + H2O(l) + CO2(g) =>
BaCO3(s) + 2 HCl(aq) = BaCl2(aq) + H2O(l) + CO2(g)
Ba(OH)2 + CO3 = CO3(OH)2 + Ba =>
Ba(OH)2 + CO3 = CO3(OH)2 + Ba
NaOH(s) + HCl(g) = NaCl(s) + H2O(g) =>
NaOH(s) + HCl(g) = NaCl(s) + H2O(g)
Ag + Ca(OH)2 = Ca + Ag(OH)2 =>
Ag + Ca(OH)2 = Ca + Ag(OH)2
SCO3 + Ca(OH)2 = S(OH)2 + CaCO3 =>
SCO3 + Ca(OH)2 = S(OH)2 + CaCO3
KMnO4 + C5H8O2 + H2O = Mn(C5H8O2)3 + O2 + KOH =>
4 KMnO4 + 12 C5H8O2 + 2 H2O = 4 Mn(C5H8O2)3 + 7 O2 + 4 KOH
BaS + Al(NO3)3 = BaNO3 + AlS3 =>
3 BaS + Al(NO3)3 = 3 BaNO3 + AlS3
BaS + HNO3 = BaSO4 + NO + H2O =>
3 BaS + 8 HNO3 = 3 BaSO4 + 8 NO + 4 H2O
NaOH + C6H4(OH)2 = NaC6H5O2 + H2O =>
NaOH + C6H4(OH)2 = NaC6H5O2 + H2O
Mg(OH)2 + Ca(OH)2 = CaMg + OH =>
Mg(OH)2 + Ca(OH)2 = CaMg + 4 OH
Ca(OH)2 + NaOH = CaNa + (OH)2 =>
2 Ca(OH)2 + 2 NaOH = 2 CaNa + 3(OH)2
Na + H2SO4 = Na2SO4 + H2 =>
2 Na + H2SO4 = Na2SO4 + H2
CH3NH3Cl + AgNO3 = AgCl + CH3NH3NO3 =>
CH3NH3Cl + AgNO3 = AgCl + CH3NH3NO3
Al(OH)3 + HCl = Al(OH)2Cl + H2O =>
Al(OH)3 + HCl = Al(OH)2Cl + H2O
MnO2 + Al = Al2O3 + Mn =>
3 MnO2 + 4 Al = 2 Al2O3 + 3 Mn
CO(NH2)2(aq) + H2O(l) = CO2(g) + NH3(aq) =>
CO(NH2)2(aq) + H2O(l) = CO2(g) + 2 NH3(aq)
KF + HCl = KCl + HF =>
KF + HCl = KCl + HF
HBr(aq) + LiOH(s) = H2O(l) + LiBr(s) =>
HBr(aq) + LiOH(s) = H2O(l) + LiBr(s)
Au(s) + NaBr(aq) = AuBr(aq) + Na(s) =>
Au(s) + NaBr(aq) = AuBr(aq) + Na(s)
CH3COO + NH4 + OH = CH3COONH + H2O =>
CH3COO + NH4 + 3 OH = CH3COONH + 3 H2O
SrCl2 + NaSO4 = NaCl + Sr(SO4)2 =>
SrCl2 + 2 NaSO4 = 2 NaCl + Sr(SO4)2
Al2 + HCl = AlCl + H2 =>
Al2 + 2 HCl = 2 AlCl + H2
KJ + H2O2 + H2SO4 = J2 + H2O + K2SO4 =>
2 KJ + H2O2 + H2SO4 = J2 + 2 H2O + K2SO4
H{+} + S2O3{-2} + Cr2O7{-2} = S4O6{-2} + Cr{+3} + H2O =>
14 H{+} + 6 S2O3{-2} + Cr2O7{-2} = 3 S4O6{-2} + 2 Cr{+3} + 7 H2O
AgNO3(aq) + Na2CrO4(aq) = Ag2CrO4(s) + NaNO3(aq) =>
2 AgNO3(aq) + Na2CrO4(aq) = Ag2CrO4(s) + 2 NaNO3(aq)
CH3OH3 = CH2O + H2 =>
CH3OH3 = CH2O + 2 H2
F2(g) + H2O(l) = HF(g) + O2(g) =>
2 F2(g) + 2 H2O(l) = 4 HF(g) + O2(g)
Ag + HNO3 + NH4Cl = AgCl + NO + H2O =>
Ag + 2 HNO3 + NH4Cl = AgCl + 3 NO + 3 H2O
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
SnOH2SO4 = SnO2SO2H2O =>
SnOH2SO4 = SnO2SO2H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Ba(OH)2 + NHO3 = Ba(NO3)2 + H2O =>
Ba(OH)2 + 2 NHO3 = Ba(NO3)2 + 2 H2O
Ca(OH)2 + K3PO4 = Ca3(PO4)2 + KOH =>
3 Ca(OH)2 + 2 K3PO4 = Ca3(PO4)2 + 6 KOH
NaOH + K2SO3 = Na2SO3 + KOH =>
2 NaOH + K2SO3 = Na2SO3 + 2 KOH
Mg + Ni(NO3)2 = Mg(NO3) + Ni =>
2 Mg + Ni(NO3)2 = 2 Mg(NO3) + Ni
FeCl3 + HCl = FeH3 + Cl2 =>
FeCl3 + 3 HCl = FeH3 + 3 Cl2
Fe(OH)2 + H2SO4 = FeSO4 + H2O =>
Fe(OH)2 + H2SO4 = FeSO4 + 2 H2O
NaOH + K2SO3 = Na2SO3 + KOH =>
2 NaOH + K2SO3 = Na2SO3 + 2 KOH
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
AlCl2 = Al + Cl =>
AlCl2 = Al + 2 Cl
[Cu(NH3)4](OH)2 + Na2S = CuS + NaOH + NH3 =>
[Cu(NH3)4](OH)2 + Na2S = CuS + 2 NaOH + 4 NH3
C6H5Cl + HNO3 = O2NC6H4Cl + H2O =>
C6H5Cl + HNO3 = O2NC6H4Cl + H2O
CaC2 + HCl = CaCl2 + HC =>
CaC2 + 2 HCl = CaCl2 + 2 HC
HSO4 + LiO = Li(SO4)2 + H2O =>
2 HSO4 + LiO = Li(SO4)2 + H2O
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