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Cu + 2 Na2S = CuS2 + 4 Na
Fe + HCl = FeCl2 + H2 = =>
Fe + 2 HCl = FeCl2 + H2
Zn(CIO3)2 + Li = LiCIO3 + Zn =>
Zn(CIO3)2 + 2 Li = 2 LiCIO3 + Zn
CuBr + NaOH = Cu(OH)2 + Na2Br =>
CuBr + 2 NaOH = Cu(OH)2 + Na2Br
BaNO2 + H2O = BaNO3 + H2 =>
BaNO2 + H2O = BaNO3 + H2
HCOOH + Fe = Fe(HCOO)2 + H2 =>
2 HCOOH + Fe = Fe(HCOO)2 + H2
PhC3H7 + KMnO4 + H2SO4 = PhCOOH + CH3COOH + MnSO4 + K2SO4 + H2O =>
PhC3H7 + 2 KMnO4 + 3 H2SO4 = PhCOOH + CH3COOH + 2 MnSO4 + K2SO4 + 4 H2O
Pb3O4 + Cl{-} + H{+} = Pb{2+} + Cl2 + H2O =>
Pb3O4 + 2 Cl{-} + 8 H{+} = 3 Pb{2+} + Cl2 + 4 H2O
Sb2S3 + HNO3 = HSbO3 + H2SO4 + NO + H2O =>
3 Sb2S3 + 28 HNO3 = 6 HSbO3 + 9 H2SO4 + 28 NO + 2 H2O
Rb2CO3 = Rb2 + CO3 =>
Rb2CO3 = Rb2 + CO3
FeSO3 + MnO4{-} + H{+} = Mn{2+} + Fe{3+} + HSO4{-} + H2O =>
5 FeSO3 + 3 MnO4{-} + 19 H{+} = 3 Mn{2+} + 5 Fe{3+} + 5 HSO4{-} + 7 H2O
Na + OH + CO2 = NaHCO3 =>
Na + OH + CO2 = NaHCO3
KIO3 + IK + H2SO4 = I + K2SO4 + H2O =>
KIO3 + 5 IK + 3 H2SO4 = 6 I + 3 K2SO4 + 3 H2O
Fe(CN)6 + KMnO4 = MnO4 + Fe + KCN =>
Fe(CN)6 + 6 KMnO4 = 6 MnO4 + Fe + 6 KCN
Mg + HNO3 = MgH(NO3)2 + H2O + NO =>
3 Mg + 7 HNO3 = 3 MgH(NO3)2 + 2 H2O + NO
C4H10O + O2 = CO2 + H2O =>
C4H10O + 6 O2 = 4 CO2 + 5 H2O
C6H5NH2 + H2SO4 + K2Cr2O7 = C6H4O2 + K2SO4 + Cr2(SO4)3 + H2O + N2 =>
6 C6H5NH2 + 28 H2SO4 + 7 K2Cr2O7 = 6 C6H4O2 + 7 K2SO4 + 7 Cr2(SO4)3 + 37 H2O + 3 N2
Sn(III) + AgNO3 = Sn(III)(NO3)4 + Ag =>
Sn(III) + 4 AgNO3 = Sn(III)(NO3)4 + 4 Ag
BaCl2 + Na2SO4 = BaSO4(s) + NaCl =>
BaCl2 + Na2SO4 = BaSO4(s) + 2 NaCl
Na2S + Co2(SO4)3 = Co2S3 + Na2SO4 =>
3 Na2S + Co2(SO4)3 = Co2S3 + 3 Na2SO4
SO3 + ZnO = ZnSO3 + O2 =>
2 SO3 + 2 ZnO = 2 ZnSO3 + O2
NaCl + Ca(OH)2 = CaCl2 + Na(OH) =>
2 NaCl + Ca(OH)2 = CaCl2 + 2 Na(OH)
CrCl + NaOH = Cr(OH) + NaCl =>
CrCl + NaOH = Cr(OH) + NaCl
HS + Ca(OH)2 = CaS2 + H2O =>
2 HS + Ca(OH)2 = CaS2 + 2 H2O
C2H4 = C + H =>
C2H4 = 2 C + 4 H
C2H2 + I2 = C2I2 + H2 =>
C2H2 + I2 = C2I2 + H2
K2CO3 + H2 = K2 + H2O + CO2 =>
K2CO3 + H2 = K2 + H2O + CO2
NaBr + I2 = NaI + Br2 =>
2 NaBr + I2 = 2 NaI + Br2
KMnO4 + H2SO4 + K2S = MnSO4 + K2SO4 + H2O =>
8 KMnO4 + 12 H2SO4 + 5 K2S = 8 MnSO4 + 9 K2SO4 + 12 H2O
Ca(IO)2 + KI + HCl = CaCl2 + KCl + I2 + H2O =>
Ca(IO)2 + 2 KI + 4 HCl = CaCl2 + 2 KCl + 2 I2 + 2 H2O
CH3OOH + H2O = CH3OH + OH =>
CH3OOH + H2O = CH3OH + 2 OH
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
LiC6H5O7*4H2O = Li2CO3 + CO2 + H2O + C =>
2 LiC6H5O7*4H2O = Li2CO3 + 3 CO2 + 13 H2O + 8 C
Mg(OH)2 + C12H22O11 + KNO2 = N2 + CO2 + KOH + Mg(NO3)2 =>
9 Mg(OH)2 + 2 C12H22O11 + 62 KNO2 = 22 N2 + 24 CO2 + 62 KOH + 9 Mg(NO3)2
CH3COCl + CH3CH2NH2 = CH3CHClOH + CH3CHNH2 =>
CH3COCl + 2 CH3CH2NH2 = CH3CHClOH + 2 CH3CHNH2
Ag(NO3) + Ni(SO4) = Ag2(SO4) + Ni(NO3)2 =>
2 Ag(NO3) + Ni(SO4) = Ag2(SO4) + Ni(NO3)2
H2SO4 + NaOH = H2Na + SO + O4H =>
H2SO4 + NaOH = H2Na + SO + O4H
C3H8O + Cr2O7{2-} + H{+} = C3H6O + Cr{3+} + H2O =>
3 C3H8O + Cr2O7{2-} + 8 H{+} = 3 C3H6O + 2 Cr{3+} + 7 H2O
K + HYO3 = KYO3 + H2O + Y2 =>
10 K + 12 HYO3 = 10 KYO3 + 6 H2O + Y2
Al(HSO4)3 + NaOH = Al(OH)3 + Na2SO4 + H2O =>
Al(HSO4)3 + 6 NaOH = Al(OH)3 + 3 Na2SO4 + 3 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CuO(s) + H2SO4(ac) = CuSO4 + H2O =>
CuO(s) + H2SO4(ac) = CuSO4 + H2O
NaI + H2SO4 = H2S + I2 + Na2SO4 + H2O =>
8 NaI + 5 H2SO4 = H2S + 4 I2 + 4 Na2SO4 + 4 H2O
CH3OH + HI = HOH + CH3I =>
CH3OH + HI = HOH + CH3I
K2SO3 + Cl2 = K2SO4 + KCl + SO2 =>
2 K2SO3 + Cl2 = K2SO4 + 2 KCl + SO2
Au + ZnCl2 = AuCl + Zn =>
2 Au + ZnCl2 = 2 AuCl + Zn
HClO3*NaOH = NaClO3 + H2O =>
HClO3*NaOH = NaClO3 + H2O
CH2O + SO4{2-} + H{+} = CO2 + H2S + H2O =>
2 CH2O + SO4{2-} + 2 H{+} = 2 CO2 + H2S + 2 H2O
KCl = Cl + K =>
KCl = Cl + K
C7H6O2 + H2O = C7H5O2 + H3O =>
C7H6O2 + H2O = C7H5O2 + H3O
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