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S2 + Hg2 = 2 HgS
Cr(NO3)3 + KOH = KNO3 + NO3 + CrOH =>
Cr(NO3)3 + KOH = KNO3 + 2 NO3 + CrOH
C{-4} = e + C{+4} =>
C{-4} = 8e + C{+4}
Al + NaOH = Al(OH)3 + Na(aq) =>
Al + 3 NaOH = Al(OH)3 + 3 Na(aq)
Na2CrO4 + H3PO3 + NaOH = Na3PO4 + H2O + Na[Cr(OH)4] =>
2 Na2CrO4 + 3 H3PO3 + 7 NaOH = 3 Na3PO4 + 4 H2O + 2 Na[Cr(OH)4]
FeS + O3 = Fe2O3 + SO2 =>
6 FeS + 7 O3 = 3 Fe2O3 + 6 SO2
CaCO3 + SO2* = CaSO3 + CO2 =>
CaCO3 + SO2* = CaSO3 + CO2
K + O3 = K3O =>
9 K + O3 = 3 K3O
Mg3(PO4)2 + HNO3 = H3(PO4) + Mg(NO3)2 =>
Mg3(PO4)2 + 6 HNO3 = 2 H3(PO4) + 3 Mg(NO3)2
HN3 + NO2 = N2O + H2O =>
6 HN3 + 8 NO2 = 13 N2O + 3 H2O
P3I8 = P + I2 =>
P3I8 = 3 P + 4 I2
C6H12 + H2O = C6H13OH =>
C6H12 + H2O = C6H13OH
CaCl2 + NH3 = CaH2 + NCl3 =>
3 CaCl2 + 2 NH3 = 3 CaH2 + 2 NCl3
BaCl2(aq) + K2CrO4(aq) = KCl(aq) + BaCrO4(s) =>
BaCl2(aq) + K2CrO4(aq) = 2 KCl(aq) + BaCrO4(s)
Al(s) + BaCl2(aq) = AlCl3(aq) + Ba(s) =>
2 Al(s) + 3 BaCl2(aq) = 2 AlCl3(aq) + 3 Ba(s)
C6H12 + H2O = C6H14O =>
C6H12 + H2O = C6H14O
CH3CO2 + H3O = CH3CO2H + H2O =>
CH3CO2 + H3O = CH3CO2H + H2O
Fe(OH)2 + Pb(OH)3 = Fe(OH)3 + Pb =>
3 Fe(OH)2 + Pb(OH)3 = 3 Fe(OH)3 + Pb
Pb + H2O = PbO2 + H2 =>
Pb + 2 H2O = PbO2 + 2 H2
Al2O3(s) + NaOH(l) + HF(g) = Na3AlF6 + H2O =>
Al2O3(s) + 6 NaOH(l) + 12 HF(g) = 2 Na3AlF6 + 9 H2O
HOAc + Ca(OH)2 = Ca(OAc)2 + H2O =>
2 HOAc + Ca(OH)2 = Ca(OAc)2 + 2 H2O
HNO3 + K2CrO4 + H2O2 = CrO5 + H2O + KNO3 =>
2 HNO3 + K2CrO4 + 2 H2O2 = CrO5 + 3 H2O + 2 KNO3
FeBr3 + NaHCO3 = CO2 + Fe(OH)3 + NaBr =>
FeBr3 + 3 NaHCO3 = 3 CO2 + Fe(OH)3 + 3 NaBr
Ba(OH)2 + (NH4)2CO3 = BaCO3 + NH4OH =>
Ba(OH)2 + (NH4)2CO3 = BaCO3 + 2 NH4OH
AgI + O2 = Ag + IO2 =>
AgI + O2 = Ag + IO2
K2S + HOH = KOH + H2S =>
K2S + 2 HOH = 2 KOH + H2S
C3H6Cl2 + O2 = CO2 + Cl2 + H2O =>
2 C3H6Cl2 + 9 O2 = 6 CO2 + 2 Cl2 + 6 H2O
Cu + Mg(OH)2 = Cu(OH)2 + Mg =>
Cu + Mg(OH)2 = Cu(OH)2 + Mg
NaBr + NaBrO3 + H2SO4 = Br2Na2SO4 + H2O =>
5 NaBr + NaBrO3 + 3 H2SO4 = 3 Br2Na2SO4 + 3 H2O
(NH4)3PO4 + FeSO4 = (NH4)2SO4 + Fe3(PO4)2 =>
2(NH4)3PO4 + 3 FeSO4 = 3(NH4)2SO4 + Fe3(PO4)2
Mg + CuCl2 = MgCl2 + Cu2 =>
2 Mg + 2 CuCl2 = 2 MgCl2 + Cu2
K2CrO4 + H2SO4 = K2SO4 + K2Cr2O7 + H2O =>
2 K2CrO4 + H2SO4 = K2SO4 + K2Cr2O7 + H2O
Al + Cu(I)2 = Al(I)3 + Cu =>
2 Al + 3 Cu(I)2 = 2 Al(I)3 + 3 Cu
Na(PO4)2 + AgNO3 = Ag(PO4)2 + NaNO3 =>
Na(PO4)2 + AgNO3 = Ag(PO4)2 + NaNO3
Cu2 + H2O = Cu(OH)2 + H2 =>
Cu2 + 4 H2O = 2 Cu(OH)2 + 2 H2
Na + (CO3)2 = Na2CO3 =>
4 Na + (CO3)2 = 2 Na2CO3
Co + S8 = CoS8 =>
Co + S8 = CoS8
(COOH)2 + CaCl2 = (COO)2Ca + HCl =>
(COOH)2 + CaCl2 = (COO)2Ca + 2 HCl
CoCl2 + NaOH{-} = Co(OH)2 + NaCl{-} =>
CoCl2 + 2 NaOH{-} = Co(OH)2 + 2 NaCl{-}
CaCO3 + H3PO4 = Ca(H2PO4)2H2O + CO2 =>
CaCO3 + 2 H3PO4 = Ca(H2PO4)2H2O + CO2
Zn(SO4) + HCl = ZnCl2 + H2SO4 =>
Zn(SO4) + 2 HCl = ZnCl2 + H2SO4
H3O + CO2 = CH3 + OH =>
5 H3O + 2 CO2 = 2 CH3 + 9 OH
Pb + Cr2O7 = Pb2(Cr2O7)4 =>
2 Pb + 4 Cr2O7 = Pb2(Cr2O7)4
I2 + AgBr = AgI + Br2 =>
I2 + 2 AgBr = 2 AgI + Br2
C3H6O + Ag = AgC3H6O =>
C3H6O + Ag = AgC3H6O
P(s) + Cl2(g) = PCl5 =>
2 P(s) + 5 Cl2(g) = 2 PCl5
CH3COOH + (CH3)2CHCH2OH = C6H12O2 + H2O =>
CH3COOH + (CH3)2CHCH2OH = C6H12O2 + H2O
Ni + MgCl2 = NiCl2 + Mg =>
Ni + MgCl2 = NiCl2 + Mg
ClO3 + NO = Cl + NO3 =>
2 ClO3 + 3 NO = 2 Cl + 3 NO3
NaOH + CS2 = Na2CS3 + Na2CO3 + H2O =>
6 NaOH + 3 CS2 = 2 Na2CS3 + Na2CO3 + 3 H2O
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