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2 Cr + 2 NaOH + 6 H2O = 2 NaCr(OH)4 + 3 H2
Co2 + H2SO4 = Co2(SO4)3 + H2 =>
Co2 + 3 H2SO4 = Co2(SO4)3 + 3 H2
Ni + CO3 = Ni(CO3)2 =>
Ni + 2 CO3 = Ni(CO3)2
H2SO3 + Ca(OH)2 = Ca(SO3) + H2O =>
H2SO3 + Ca(OH)2 = Ca(SO3) + 2 H2O
CaSO4 + C = CaO + SO2 + CO2 =>
2 CaSO4 + C = 2 CaO + 2 SO2 + CO2
Fe{+3} + Pb = Fe{+} + Pb{+2} =>
Fe{+3} + Pb = Fe{+} + Pb{+2}
Mg + C2H4O2 = Mg(C2H3O2)2 + H =>
Mg + 2 C2H4O2 = Mg(C2H3O2)2 + 2 H
KHSO4 + NaOH = Na2SO4 + K2SO4 + H2O =>
2 KHSO4 + 2 NaOH = Na2SO4 + K2SO4 + 2 H2O
AgNO3 + Na2S2O3 = Na3(Ag(S2O3)2) + NaNO3 =>
AgNO3 + 2 Na2S2O3 = Na3(Ag(S2O3)2) + NaNO3
K2CO3(s) + H2SO4(aq) = K2SO4 + H2O + CO2 =>
K2CO3(s) + H2SO4(aq) = K2SO4 + H2O + CO2
BaI2 + NH4NO3 = NH4I2 + BaNO3 =>
BaI2 + NH4NO3 = NH4I2 + BaNO3
Pb(NO3)2 + K2SO4 = PbSO4 + KNO3 =>
Pb(NO3)2 + K2SO4 = PbSO4 + 2 KNO3
NaOH + Sn + H2O = NaSn(OH)3 + H2 =>
NaOH + Sn + 2 H2O = NaSn(OH)3 + H2
ZnO + C = Zn + CO3 =>
3 ZnO + C = 3 Zn + CO3
H2SO4 + P2O5 = SO3 + HPO3 =>
H2SO4 + P2O5 = SO3 + 2 HPO3
NaCl(aq) + Zn(NO3)2(aq) = NaNO3(aq) + ZnCl2(s) =>
2 NaCl(aq) + Zn(NO3)2(aq) = 2 NaNO3(aq) + ZnCl2(s)
Cr(s) + Fe(NO3)2 = Fe(s) + Cr(NO3)3 =>
2 Cr(s) + 3 Fe(NO3)2 = 3 Fe(s) + 2 Cr(NO3)3
Na + NO3 + HCl = NaCl + HNO3 =>
Na + NO3 + HCl = NaCl + HNO3
C5H8 + KMnO4 + H2O = C5H8O2 + MnO2 + KOH =>
3 C5H8 + 4 KMnO4 + 2 H2O = 3 C5H8O2 + 4 MnO2 + 4 KOH
H{+} + Cr2O7{2-} + C2H5OH = Cr{3+} + C2H4O + H2O =>
8 H{+} + Cr2O7{2-} + 3 C2H5OH = 2 Cr{3+} + 3 C2H4O + 7 H2O
C14H10O2 + NaBH4 + C2H6O = C14H14O2 + NaB(C2H5O)4 =>
2 C14H10O2 + NaBH4 + 4 C2H6O = 2 C14H14O2 + NaB(C2H5O)4
K3P + H2O = KOH + PH3 =>
K3P + 3 H2O = 3 KOH + PH3
AlCl3 + HOH = AlOH + HCl3 =>
AlCl3 + HOH = AlOH + HCl3
Sr3(PO4)2 + Na2SO4 = Na3PO4 + SrSO4 =>
Sr3(PO4)2 + 3 Na2SO4 = 2 Na3PO4 + 3 SrSO4
Na2SO4 + HC1 = NaC1 + H2SO4 =>
Na2SO4 + 2 HC1 = 2 NaC1 + H2SO4
Na2O2 + KI + H2SO4 = I2 + Na2SO4 + K2SO4 + H2O =>
Na2O2 + 2 KI + 2 H2SO4 = I2 + Na2SO4 + K2SO4 + 2 H2O
K2SiO3 + Al2(SO4)3 = K2SO4 + Al2(SiO3)3 =>
3 K2SiO3 + Al2(SO4)3 = 3 K2SO4 + Al2(SiO3)3
Mn + N2 = Mn3N2 =>
3 Mn + N2 = Mn3N2
ZnI2 + H2O = ZnO + HI =>
ZnI2 + H2O = ZnO + 2 HI
C2H4 + KMnO4 = MnO2 + KOH + K2C2O4 + H2O =>
3 C2H4 + 10 KMnO4 = 10 MnO2 + 4 KOH + 3 K2C2O4 + 4 H2O
SiO + C = SiC + CO =>
SiO + 2 C = SiC + CO
NaI + PbO2 + H2SO4 = Na2SO4 + PbSO4 + I2 + H2O =>
2 NaI + PbO2 + 2 H2SO4 = Na2SO4 + PbSO4 + I2 + 2 H2O
Ca(OH)2 + C6H8O7 = C12H10Ca3O14 + H2O =>
3 Ca(OH)2 + 2 C6H8O7 = C12H10Ca3O14 + 6 H2O
I2 + HBr = IBr + H =>
I2 + 2 HBr = 2 IBr + 2 H
Fr + N2 = FrN2 =>
Fr + N2 = FrN2
Al + H2SO4 = AlO3 + H2S =>
4 Al + 3 H2SO4 = 4 AlO3 + 3 H2S
CH2O2 + O2 = CO2 + H2O =>
2 CH2O2 + O2 = 2 CO2 + 2 H2O
Cr2O3 + HCl + NaCl + NaOH = Cl(OH)2 + Na2Cr =>
3 Cr2O3 + 9 HCl + NaCl + 11 NaOH = 10 Cl(OH)2 + 6 Na2Cr
Zn(s) + MoO3(s) = ZnO(s) + Mo2O3(s) =>
3 Zn(s) + 2 MoO3(s) = 3 ZnO(s) + Mo2O3(s)
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
Na2B4O7*10H2O + H2SO4 = H3BO3 + Na2SO4 + H2O =>
Na2B4O7*10H2O + H2SO4 = 4 H3BO3 + Na2SO4 + 5 H2O
Co(NO3)2 + NH3 + (NH4)2CO3 = [Co(NH3)4CO3] + NH4NO3 =>
Co(NO3)2 + 4 NH3 + (NH4)2CO3 = [Co(NH3)4CO3] + 2 NH4NO3
C + H + O2 = CH2O =>
2 C + 4 H + O2 = 2 CH2O
H4P2O7 + NaOH = Na3HP2O7 + H2O =>
H4P2O7 + 3 NaOH = Na3HP2O7 + 3 H2O
SnS(s) + HCl(aq) = SnCl2 + H2S =>
SnS(s) + 2 HCl(aq) = SnCl2 + H2S
Cl2(g) + I{-}(aq) = Cl{-}(aq) + I(l) =>
Cl2(g) + 2 I{-}(aq) = 2 Cl{-}(aq) + 2 I(l)
C4H11NO2 + O2 = CO2 + H2O + NH3 =>
C4H11NO2 + 5 O2 = 4 CO2 + 4 H2O + NH3
NaOH + O2 = NaO2 + H2O =>
4 NaOH + 3 O2 = 4 NaO2 + 2 H2O
KNO3 + HCl = KCl + HNO3 =>
KNO3 + HCl = KCl + HNO3
Al + CH3COOH = Al(CH3COO)2 + H2 =>
Al + 2 CH3COOH = Al(CH3COO)2 + H2
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