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Cu(s) + 2 H2O(l) = Cu(OH)2(s) + H2(g)
SO2 + KMnO4 + KOH = K2SO4 + Mn02 + H2O =>
7 SO2 + 2 KMnO4 + 12 KOH = 7 K2SO4 + Mn02 + 6 H2O
CuSO4 + Na2SO2 = Na2SO4 + CuSO2 =>
CuSO4 + Na2SO2 = Na2SO4 + CuSO2
H2 = H3 =>
3 H2 = 2 H3
C3H7OH + [Cr2O7]{2-} + H{+} = Cr{2+} + CH3CH2CHO + H2O =>
4 C3H7OH + [Cr2O7]{2-} + 6 H{+} = 2 Cr{2+} + 4 CH3CH2CHO + 7 H2O
Ca(OH)2 + H = Ca + H2O =>
Ca(OH)2 + 2 H = Ca + 2 H2O
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
CO2 + K = K2CO3 + C =>
3 CO2 + 4 K = 2 K2CO3 + C
ZnSO4 + HCl = ZnCl2 + SO3 + H2O =>
ZnSO4 + 2 HCl = ZnCl2 + SO3 + H2O
Zn(s) + HCl(g) = ZnCl2(s) + H2(g) =>
Zn(s) + 2 HCl(g) = ZnCl2(s) + H2(g)
As + Cl2 = AsCl3 =>
2 As + 3 Cl2 = 2 AsCl3
AgBr + H2 = Ag + HBr =>
2 AgBr + H2 = 2 Ag + 2 HBr
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
C3H4 + KMnO4 + H2O = CO2 + MnO2 + KOH =>
3 C3H4 + 16 KMnO4 + 2 H2O = 9 CO2 + 16 MnO2 + 16 KOH
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
AlCl3 + Cl2 + NaOH = Na2AlO4 + NaCl + H2O =>
2 AlCl3 + 3 Cl2 + 16 NaOH = 2 Na2AlO4 + 12 NaCl + 8 H2O
AgI + Fe2O3 = FeI3 + Ag2O =>
6 AgI + Fe2O3 = 2 FeI3 + 3 Ag2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
HBr + I2 = HI + Br2 =>
2 HBr + I2 = 2 HI + Br2
Br2(aq) + KI = KBr + I2 =>
Br2(aq) + 2 KI = 2 KBr + I2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
CH3COOH + Ba = HBa + CH3COO =>
CH3COOH + Ba = HBa + CH3COO
C4H10 + H2 = C2H6 =>
C4H10 + H2 = 2 C2H6
P4 + H2 = P2H =>
P4 + H2 = 2 P2H
Ca(HO) + HCl = CaCl + H2O =>
Ca(HO) + HCl = CaCl + H2O
AsCl3 + H2S = As2S3 + HCl =>
2 AsCl3 + 3 H2S = As2S3 + 6 HCl
ZnCl2 + Cu = Zn + CuCl2 =>
ZnCl2 + Cu = Zn + CuCl2
Na + Ca2Br = Ca + NaBr =>
Na + Ca2Br = 2 Ca + NaBr
MgSO4*3H2O(s) = MgSO4(s) + H2O(g) =>
MgSO4*3H2O(s) = MgSO4(s) + 3 H2O(g)
HBr + Cs2O = CsBr + H2O =>
2 HBr + Cs2O = 2 CsBr + H2O
HBr + PF3 = PBr3 + HF =>
3 HBr + PF3 = PBr3 + 3 HF
C9H20O + O2 = CO2 + H2O =>
2 C9H20O + 27 O2 = 18 CO2 + 20 H2O
AgNO3 + NH3 + H2O = Ag + NH4NO3 =>
8 AgNO3 + 10 NH3 + 3 H2O = 8 Ag + 9 NH4NO3
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
KNO2 + H2SO4 = HNO3 + H2O + NO + K2SO4 =>
6 KNO2 + 3 H2SO4 = 2 HNO3 + 2 H2O + 4 NO + 3 K2SO4
K3[Cr(OH)6] + H2SO4 = K2SO4 + Cr(OH)3 + H2O =>
2 K3[Cr(OH)6] + 3 H2SO4 = 3 K2SO4 + 2 Cr(OH)3 + 6 H2O
CH4() + O2 = CO2 + H2O =>
CH4() + 2 O2 = CO2 + 2 H2O
C2H5N + O2 = CO + H2O + NO2 =>
4 C2H5N + 13 O2 = 8 CO + 10 H2O + 4 NO2
AuCl = AuCl3 + Au =>
3 AuCl = AuCl3 + 2 Au
Ag2O + CH3CHO = CH3COOH + Ag2 =>
Ag2O + CH3CHO = CH3COOH + Ag2
C6H5COOH + OH = H2O + C4H4O4 =>
4 C6H5COOH + 36 OH = 16 H2O + 7 C4H4O4
HI + KMnO4 + H2SO4 = I + MnSO4 + K2SO4 + H2O =>
10 HI + 2 KMnO4 + 3 H2SO4 = 10 I + 2 MnSO4 + K2SO4 + 8 H2O
AuCl3 + SnCl = SnCl2 + Au =>
AuCl3 + 3 SnCl = 3 SnCl2 + Au
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Cu(C2H3O2)2 + NaOH = Cu(OH)2 + NaC2H3O2 =>
Cu(C2H3O2)2 + 2 NaOH = Cu(OH)2 + 2 NaC2H3O2
C6H5CH3 + MnO4{-} + H{+} = C6H5COOH + Mn + H2O =>
7 C6H5CH3 + 6 MnO4{-} + 6 H{+} = 7 C6H5COOH + 6 Mn + 10 H2O
Pb2 + NH4OH = Pb(OH)2 + NH4 =>
Pb2 + 4 NH4OH = 2 Pb(OH)2 + 4 NH4
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
Na2CO3NaOH = Na2OHNaCO3 =>
Na2CO3NaOH = Na2OHNaCO3
C2H3O2{-} + H{+} = CH4 + CO2 =>
C2H3O2{-} + H{+} = CH4 + CO2
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