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Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
HNO2 + H = NO + H2O =>
HNO2 + H = NO + H2O
H2SO4 + Cu = CuSO4 + H2O + H2S =>
5 H2SO4 + 4 Cu = 4 CuSO4 + 4 H2O + H2S
NaOH + HCl = H2O + NaCl =>
NaOH + HCl = H2O + NaCl
V2O5 + Ae = V + Ae2O3 =>
3 V2O5 + 10 Ae = 6 V + 5 Ae2O3
AgNO3 + H2O2 = Ag + O2 + HNO3 =>
2 AgNO3 + H2O2 = 2 Ag + O2 + 2 HNO3
NaNO3 + H2SO4 = NO + Na2SO4 + O2 + H2O =>
4 NaNO3 + 2 H2SO4 = 4 NO + 2 Na2SO4 + 3 O2 + 2 H2O
H2SO4 + Cu = CuSO4 + H2O + H2S =>
5 H2SO4 + 4 Cu = 4 CuSO4 + 4 H2O + H2S
Cr(OH)3 = Cr2O3 + H2O = =>
2 Cr(OH)3 = Cr2O3 + 3 H2O
Al2 + CH3COOH = Al2(C2H3O2)3 + H2 =>
2 Al2 + 6 CH3COOH = 2 Al2(C2H3O2)3 + 3 H2
(NH4)2HPO4 + HNO3 = NH4NO3 + H3PO4 =>
(NH4)2HPO4 + 2 HNO3 = 2 NH4NO3 + H3PO4
Sn + ZnCl = SnCl4 + Zn =>
Sn + 4 ZnCl = SnCl4 + 4 Zn
NaBr2 + Cl2 = NaCl + Br2 =>
2 NaBr2 + Cl2 = 2 NaCl + 2 Br2
H2SO4 + Cu = CuSO4 + H2O + H2S =>
5 H2SO4 + 4 Cu = 4 CuSO4 + 4 H2O + H2S
Zn(NO3)2 + SO3 = ZnSO3 + (NO3)2 =>
Zn(NO3)2 + SO3 = ZnSO3 + (NO3)2
HBr + BaO = BaBr2 + H2O =>
2 HBr + BaO = BaBr2 + H2O
XY4 + Z = X2 + Y2Z =>
2 XY4 + 4 Z = X2 + 4 Y2Z
CH3COH + Ag(NH3)2OH = CH3COOH + H2O + NH3 + Ag =>
CH3COH + 2 Ag(NH3)2OH = CH3COOH + H2O + 4 NH3 + 2 Ag
K3[Fe(C2O4)3]3H2O + K3[Fe(CN)6] = Fe3{+} + (C2O4)2{-} + H2O + K{+} + CN =>
20 K3[Fe(C2O4)3]3H2O + 3 K3[Fe(CN)6] = 21 Fe3{+} + 90(C2O4)2{-} + 20 H2O + 69 K{+} + 18 CN
NaOH + Al2(SO4)3 = Al(OH)3 + Na2SO4 =>
6 NaOH + Al2(SO4)3 = 2 Al(OH)3 + 3 Na2SO4
HCl + Sb2O3 = SbCl3 + H2O =>
6 HCl + Sb2O3 = 2 SbCl3 + 3 H2O
AgCl + Na2O = NaCl + Ag2O =>
2 AgCl + Na2O = 2 NaCl + Ag2O
Na + CrBr3 = NaBr + Cr =>
3 Na + CrBr3 = 3 NaBr + Cr
Mg2Si + HCl = MgCl2 + SiH4 =>
Mg2Si + 4 HCl = 2 MgCl2 + SiH4
CH2OHCHOHCH2OH + HNO3 = CH2ONO3CHONO3CH2ONO3 + H2 =>
CH2OHCHOHCH2OH + 3 HNO3 = CH2ONO3CHONO3CH2ONO3 + 3 H2
Al(OH)3 + Mg(OH)2 = Mg3(AlO3)2 + H2O =>
2 Al(OH)3 + 3 Mg(OH)2 = Mg3(AlO3)2 + 6 H2O
CrO + O2 = CrO3 =>
CrO + O2 = CrO3
PbO + NaOH + H2O = Pb(OH)4 + Na =>
PbO + 2 NaOH + H2O = Pb(OH)4 + 2 Na
AgNO3 + KBr = AgBr + KNO3 =>
AgNO3 + KBr = AgBr + KNO3
Cr2(SO4)3 + Ca(NO3)2 = Cr(NO3)3 + Ca(SO4) =>
Cr2(SO4)3 + 3 Ca(NO3)2 = 2 Cr(NO3)3 + 3 Ca(SO4)
CH4N2O + Co(NO3)2*6H2O = N2 + H2O + CO2 + Co3O4 =>
14 CH4N2O + 9 Co(NO3)2*6H2O = 23 N2 + 82 H2O + 14 CO2 + 3 Co3O4
C2H6O + CH3OOH = C4H8O2 + H2O =>
C2H6O + 2 CH3OOH = C4H8O2 + 3 H2O
Hg(NO3)2 + NH4Cl = Hg2Cl2 + NH4(NO3)2 =>
2 Hg(NO3)2 + 2 NH4Cl = Hg2Cl2 + 2 NH4(NO3)2
MnCl2 + Ca3(PO4)2 = Mn3(PO4)2 + CaCl2 =>
3 MnCl2 + Ca3(PO4)2 = Mn3(PO4)2 + 3 CaCl2
NaHCO3 + Na2S = Na2CO3 + H2S =>
2 NaHCO3 + Na2S = 2 Na2CO3 + H2S
C8H8O3 + NaOH = C7H4O3Na2 + CH3OH + H2O =>
C8H8O3 + 2 NaOH = C7H4O3Na2 + CH3OH + H2O
AgNO3 + K3P = KNO3 + Ag3P =>
3 AgNO3 + K3P = 3 KNO3 + Ag3P
CH3CH2CH(Br)CH3 + NaOH = CH3CH2CH(Na)CH3 + BrOH =>
CH3CH2CH(Br)CH3 + NaOH = CH3CH2CH(Na)CH3 + BrOH
KHSO3 = K2SO3 + H2SO3 =>
2 KHSO3 = K2SO3 + H2SO3
Al2(SO4)3(aq) + CaBr2(aq) = CaSO4(s) + AlBr3(aq) =>
Al2(SO4)3(aq) + 3 CaBr2(aq) = 3 CaSO4(s) + 2 AlBr3(aq)
Al + H{+} = Al3{+} + H2 =>
6 Al + 2 H{+} = 2 Al3{+} + H2
H2SO4 + Cu = CuSO4 + H2O + H2S =>
5 H2SO4 + 4 Cu = 4 CuSO4 + 4 H2O + H2S
ZnI2 + OH = Zn + I2OH =>
ZnI2 + OH = Zn + I2OH
NiBr2 + Ca(OH)2 = Ni(OH)2 + CaBr2 =>
NiBr2 + Ca(OH)2 = Ni(OH)2 + CaBr2
C6H5COOH + Cl2 = C6H5COOCl + HCl =>
C6H5COOH + Cl2 = C6H5COOCl + HCl
(CH3COO)2Ba + NaHSO4 = CH3COONa + BaSO4 + H2SO4 =>
(CH3COO)2Ba + 2 NaHSO4 = 2 CH3COONa + BaSO4 + H2SO4
Al2(SO4)3(aq) + CaBr2(aq) = CaSO4(s) + AlBr3(aq) =>
Al2(SO4)3(aq) + 3 CaBr2(aq) = 3 CaSO4(s) + 2 AlBr3(aq)
S + NaOH = Na2S2 + Na2SO3 + H2O =>
5 S + 6 NaOH = 2 Na2S2 + Na2SO3 + 3 H2O
Ag + HNO{3} = AgNO{3} + NO + H{2}0 =>
Ag + 3 HNO{3} = AgNO{3} + 2 NO + 3 H{2}0
Ag + HIO3 = AgIO3 + H2 =>
2 Ag + 2 HIO3 = 2 AgIO3 + H2
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