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SeO2 + 2 KOH = K2SeO3 + H2O
Al2(SO4)3 + Mg(HCO3)2 = Al(OH)3 + MgSO4 + CO2 =>
Al2(SO4)3 + 3 Mg(HCO3)2 = 2 Al(OH)3 + 3 MgSO4 + 6 CO2
SnCl2 + HCl + Bi(NO3)3 = H2[SnCl6] + Bi + NO2 + H2O =>
3 SnCl2 + 12 HCl + Bi(NO3)3 = 3 H2[SnCl6] + Bi + 3 NO2 + 3 H2O
Fe3 + S2 = FeS =>
2 Fe3 + 3 S2 = 6 FeS
C2H3ClO2 + NH3 = C2H5NO2 + NH4Cl =>
C2H3ClO2 + 2 NH3 = C2H5NO2 + NH4Cl
Cu(OH)2CuCO3(s) = CuO(s) + CO2(q) + H2O(l) =>
Cu(OH)2CuCO3(s) = 2 CuO(s) + CO2(q) + H2O(l)
Mg2 + Zn2(S04) = Zn2 + Mg2(S04) =>
Mg2 + Zn2(S04) = Zn2 + Mg2(S04)
HF(aq) + NH4OH(aq) = NH4F + H2O(l) =>
HF(aq) + NH4OH(aq) = NH4F + H2O(l)
NaIO3 + H2O2 = NaIO4 + H2O =>
NaIO3 + H2O2 = NaIO4 + H2O
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
SrCl2 + NaNO3 = Sr(NO3)2 + NaCl =>
SrCl2 + 2 NaNO3 = Sr(NO3)2 + 2 NaCl
Cr(s) + O2(g) = Cr2O3(s) =>
4 Cr(s) + 3 O2(g) = 2 Cr2O3(s)
MgCl2 + NH4OH = Mg(OH)2 + Cl(NH4) =>
MgCl2 + 2 NH4OH = Mg(OH)2 + 2 Cl(NH4)
Cr2O7 + S8 = SO2 + Cr =>
16 Cr2O7 + 7 S8 = 56 SO2 + 32 Cr
Na2B4O7(s) + H2SO4(aq) + H2O = H3BO3(s) + Na2SO4 =>
Na2B4O7(s) + H2SO4(aq) + 5 H2O = 4 H3BO3(s) + Na2SO4
S2O8{2-} + Cl{-} + HO{-} = SO4{2-} + ClO{-} + H{+} =>
S2O8{2-} + Cl{-} + HO{-} = 2 SO4{2-} + ClO{-} + H{+}
NaCl + H2SO4 = HCl + Na2SO4 =>
2 NaCl + H2SO4 = 2 HCl + Na2SO4
PBr3 + H2O = H3PO3 + HBr =>
PBr3 + 3 H2O = H3PO3 + 3 HBr
FeS2 + O2 = Fe2O3 + SO2 = =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Ca(H2PO4)2 + BaCl2 = CaCl2 + HCl + Ba3(PO4)2 =>
Ca(H2PO4)2 + 3 BaCl2 = CaCl2 + 4 HCl + Ba3(PO4)2
Ca(OH)2 + Cl = CaOCl2 + H2O =>
Ca(OH)2 + 2 Cl = CaOCl2 + H2O
K + Co2 = K2Co3 =>
4 K + 3 Co2 = 2 K2Co3
Ru + HNO3 + HCl = H3RuCl6 + NO2 + H2O =>
Ru + 3 HNO3 + 6 HCl = H3RuCl6 + 3 NO2 + 3 H2O
Na2CO3 + B(OH)3 = NaOH + B2(CO3)3 =>
3 Na2CO3 + 2 B(OH)3 = 6 NaOH + B2(CO3)3
Na[Al(OH)4] = NaAlO2 + H2O =>
Na[Al(OH)4] = NaAlO2 + 2 H2O
SO3{-} + S{2-} + H3O{+} = S + H2O =>
2 SO3{-} + 5 S{2-} + 12 H3O{+} = 7 S + 18 H2O
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
NO2(g) + O2(g) + H2O(g) = HNO3(aq) =>
4 NO2(g) + O2(g) + 2 H2O(g) = 4 HNO3(aq)
C + O2 = C{+4} + O{-2} =>
C + O2 = C{+4} + 2 O{-2}
Ni(OH)2 + Na2SO4 = NiSO4 + NaOH =>
Ni(OH)2 + Na2SO4 = NiSO4 + 2 NaOH
H2 + U2 = H2U =>
2 H2 + U2 = 2 H2U
CH3Br + CH3ONa = NaBr + C2H6O =>
CH3Br + CH3ONa = NaBr + C2H6O
Ba + Al(NO3)3 = Ba(NO3)2 + Al =>
3 Ba + 2 Al(NO3)3 = 3 Ba(NO3)2 + 2 Al
K2O + SiO2 = K2SiO3 =>
K2O + SiO2 = K2SiO3
NH4NO3 + MgS = (NH4)2S + Mg(NO3)2 =>
2 NH4NO3 + MgS = (NH4)2S + Mg(NO3)2
CHI3 + O2 = COI2 + HI =>
2 CHI3 + O2 = 2 COI2 + 2 HI
AlCl3 + (NH4)2O = Al2O3 + (NH4)Cl =>
2 AlCl3 + 3(NH4)2O = Al2O3 + 6(NH4)Cl
KOH + CaS = K2S + Ca(OH)2 =>
2 KOH + CaS = K2S + Ca(OH)2
C6H8O7 + Na2CO3 = Na3C6H5O7 + CO2 + H2O =>
2 C6H8O7 + 3 Na2CO3 = 2 Na3C6H5O7 + 3 CO2 + 3 H2O
KIO3 + KI + H2SO4 = K2SO4 + H2O + I2 =>
KIO3 + 5 KI + 3 H2SO4 = 3 K2SO4 + 3 H2O + 3 I2
C2H5NH2 + NH3Br = C2H5NH2Br + NH3 =>
C2H5NH2 + NH3Br = C2H5NH2Br + NH3
KO + H2O = KOH + O =>
2 KO + H2O = 2 KOH + O
Bi3(PO4)5 = Bi2O5 + P2O5 =>
2 Bi3(PO4)5 = 3 Bi2O5 + 5 P2O5
Al(HCO3)3 = Al2(CO3)3 + H2O + CO2 =>
2 Al(HCO3)3 = Al2(CO3)3 + 3 H2O + 3 CO2
Mn + Zn(NO3)2 = Mn(NO3)4 + Zn =>
Mn + 2 Zn(NO3)2 = Mn(NO3)4 + 2 Zn
C5H5N + H2O = C5H6N + OH =>
C5H5N + H2O = C5H6N + OH
C5H10NS2Na + K2TeO3 + H2O = Te(C5H10NS2)4 + NaOH + KOH =>
4 C5H10NS2Na + K2TeO3 + 3 H2O = Te(C5H10NS2)4 + 4 NaOH + 2 KOH
Sn + Cu(NO2)2 = Sn(NO2)2 + Cu =>
Sn + Cu(NO2)2 = Sn(NO2)2 + Cu
Ti + HNO2 = Ti(NO2)4 + H2 =>
Ti + 4 HNO2 = Ti(NO2)4 + 2 H2
HCOH + K2O = HCOOH + K =>
HCOH + K2O = HCOOH + 2 K
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