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2 K(s) + 2 H2O(l) = 2 KOH(aq) + H2(g)
Zn(SO4) + Ca(NO3)2 = Zn(NO3)2 + Ca(SO4) =>
Zn(SO4) + Ca(NO3)2 = Zn(NO3)2 + Ca(SO4)
CuS + H2SO4 = CuO + SO2 + H2O =>
CuS + 3 H2SO4 = CuO + 4 SO2 + 3 H2O
HNO3 + NaCO3 = NaNO3 + H2 + CO3 =>
2 HNO3 + 2 NaCO3 = 2 NaNO3 + H2 + 2 CO3
CH2CHCOOH + KMnO4 + H2O = CH2(OH)CH(OH)COOH + MnO2 + KOH =>
3 CH2CHCOOH + 2 KMnO4 + 4 H2O = 3 CH2(OH)CH(OH)COOH + 2 MnO2 + 2 KOH
Cu2O + C = Cu + CO =>
Cu2O + C = 2 Cu + CO
FeSO4 + SrCl2 = FeCl2 + SrSO4 =>
FeSO4 + SrCl2 = FeCl2 + SrSO4
H2SO4 + CO3{2-} = HCO3{-} + SO4{2-} =>
H2SO4 + 2 CO3{2-} = 2 HCO3{-} + SO4{2-}
PbCl2 + Zn(NO3)2 = ZnCl2 + Pb(NO3)2 =>
PbCl2 + Zn(NO3)2 = ZnCl2 + Pb(NO3)2
C6H12O6 + H2O = CO2 + H2 =>
C6H12O6 + 6 H2O = 6 CO2 + 12 H2
Cl2 + Fe(Br2)3 = Br2 + Fe(Cl2)3 =>
3 Cl2 + Fe(Br2)3 = 3 Br2 + Fe(Cl2)3
Cr + Fe2O3 = Fe + CrO2 =>
3 Cr + 2 Fe2O3 = 4 Fe + 3 CrO2
Ag(NO3)3(aq) + Kl(s) = Ag + KlNO3 =>
Ag(NO3)3(aq) + 3 Kl(s) = Ag + 3 KlNO3
W + NaCl = WCl + Na =>
W + NaCl = WCl + Na
S2O8{2-} = SO4{-} =>
S2O8{2-} = 2 SO4{-}
BaCl2 + KOH = Ba(OH)2 + KCl =>
BaCl2 + 2 KOH = Ba(OH)2 + 2 KCl
Fe2S3 + Ai = Fe + Ai2S3 =>
Fe2S3 + 2 Ai = 2 Fe + Ai2S3
Fe + CO = Fe3C + O2 =>
6 Fe + 2 CO = 2 Fe3C + O2
He + H2O = HeO + H2 =>
He + H2O = HeO + H2
MnO4{2-} + H{+} + S2O3{2-} = Mn{2+} + S4O6{2-} + H2O =>
MnO4{2-} + 8 H{+} + 4 S2O3{2-} = Mn{2+} + 2 S4O6{2-} + 4 H2O
NaCl + Zn(C2H3O2)2 = ZnCl2 + NaC2H3O2 =>
2 NaCl + Zn(C2H3O2)2 = ZnCl2 + 2 NaC2H3O2
C6H5OH + Na2O = C6H5ONa + NaOH =>
C6H5OH + Na2O = C6H5ONa + NaOH
Cs2O + HCl = CsCl + H2O =>
Cs2O + 2 HCl = 2 CsCl + H2O
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
Al + C2H5OH = Al(C2H5O)3 + H2 =>
2 Al + 6 C2H5OH = 2 Al(C2H5O)3 + 3 H2
C2H5OH + HCl + H2Cr2O7 = CH3CO2H + CrCl3 + H2O =>
3 C2H5OH + 12 HCl + 2 H2Cr2O7 = 3 CH3CO2H + 4 CrCl3 + 11 H2O
Ag2S + AlCl3 = Ag2Cl3 + AlS =>
Ag2S + AlCl3 = Ag2Cl3 + AlS
H2O2 + KI + H2SO4 = H2O + I2 + K2SO4 =>
H2O2 + 2 KI + H2SO4 = 2 H2O + I2 + K2SO4
PbO + CaBr2 = PbBr2 + CaO =>
PbO + CaBr2 = PbBr2 + CaO
Ca(CH3COO)2 + H2O = CaCO3 + C2H5OH + CO2 =>
3 Ca(CH3COO)2 + 3 H2O = 3 CaCO3 + 4 C2H5OH + CO2
Cu + Ag + HNO3 + HCl = AgCl + H2O + CuNO2 =>
Cu + Ag + HNO3 + HCl = AgCl + H2O + CuNO2
C4H10 = C3H8 + C6H6 =>
15 C4H10 = 18 C3H8 + C6H6
Ba(NO3)2 + SO4 = BaSO4 + NO3 =>
Ba(NO3)2 + SO4 = BaSO4 + 2 NO3
H2 + Ta2O3 = Ta + H2O =>
3 H2 + Ta2O3 = 2 Ta + 3 H2O
CH2CHCOOH + KMnO4 + H2O = CH2(OH)CH(OH)COOH + MnO2 + KOH =>
3 CH2CHCOOH + 2 KMnO4 + 4 H2O = 3 CH2(OH)CH(OH)COOH + 2 MnO2 + 2 KOH
Ca(s) + NiSO4(aq) = CaSO4(aq) + Ni(s) =>
Ca(s) + NiSO4(aq) = CaSO4(aq) + Ni(s)
Al(OH)3 + CH3COOH = Al(CH3COO)3 + H2O =>
Al(OH)3 + 3 CH3COOH = Al(CH3COO)3 + 3 H2O
Mo + F2 = MoF6 =>
Mo + 3 F2 = MoF6
FeCl3 + OH = Fe(OH)2 + Cl =>
FeCl3 + 2 OH = Fe(OH)2 + 3 Cl
Na2CO3 + HCIO4 = CO2 + H2O + NaCIO4 =>
Na2CO3 + 2 HCIO4 = CO2 + H2O + 2 NaCIO4
Na2CO3 + KOH = Na(OH) + K2CO3 =>
Na2CO3 + 2 KOH = 2 Na(OH) + K2CO3
Na + Na3PO4 = Na4PO4 =>
Na + Na3PO4 = Na4PO4
Br + O2 = Br2O3 =>
4 Br + 3 O2 = 2 Br2O3
C2H4O2 = C2H2O + H2O =>
C2H4O2 = C2H2O + H2O
HNO3 + FeS = H2S + Fe(NO3)2 =>
2 HNO3 + FeS = H2S + Fe(NO3)2
CO2 + Ba + OH = BaCO3 + H2O =>
CO2 + Ba + 2 OH = BaCO3 + H2O
AlS + O2 = Al2O3 + SO2 =>
4 AlS + 7 O2 = 2 Al2O3 + 4 SO2
Li(s) + Cu(NO3)2(aq) = Cu(s) + LiNO3(aq) =>
2 Li(s) + Cu(NO3)2(aq) = Cu(s) + 2 LiNO3(aq)
Mn(NO3)2 + Na2CO3 + CrS = NO + Na2MnO4 + CO2 + Na2SO4 + Na2CrO4 =>
6 Mn(NO3)2 + 8 Na2CO3 + CrS = 12 NO + 6 Na2MnO4 + 8 CO2 + Na2SO4 + Na2CrO4
HCOOH + CH3CH2CH2OH = CH3CH2CH2COOH + HOH =>
HCOOH + CH3CH2CH2OH = CH3CH2CH2COOH + HOH
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