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CH4 + 4 HCl = CCl4 + 4 H2
KMnO4 + H2O + Cu2 = Cu(OH)2 + MnO2 + KOH =>
4 KMnO4 + 8 H2O + 3 Cu2 = 6 Cu(OH)2 + 4 MnO2 + 4 KOH
RbOH + Cu(NO3)2 = Rb(NO3) + Cu(OH)2 =>
2 RbOH + Cu(NO3)2 = 2 Rb(NO3) + Cu(OH)2
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Sb + H2O = Sb2O3 + H2 =>
2 Sb + 3 H2O = Sb2O3 + 3 H2
H4P2O7 + K(OH) = K4P2O7 + H2O =>
H4P2O7 + 4 K(OH) = K4P2O7 + 4 H2O
K2CO3 + H3PO4 = H2O + CO2 + K + PO4 =>
3 K2CO3 + 2 H3PO4 = 3 H2O + 3 CO2 + 6 K + 2 PO4
Mn3(PO4)4 + K2CO3 = Mn2(CO3)4 + K3PO4 =>
2 Mn3(PO4)4 + 12 K2CO3 = 3 Mn2(CO3)4 + 8 K3PO4
H2SO4 + K2SO4 = KHSO4 =>
H2SO4 + K2SO4 = 2 KHSO4
Sn + HNO3 + HBr = SnBr4 + NO + H2O =>
3 Sn + 4 HNO3 + 12 HBr = 3 SnBr4 + 4 NO + 8 H2O
Li(s) + Cl2(g) = LiCl(s) =>
2 Li(s) + Cl2(g) = 2 LiCl(s)
HNO3(aq) = NO2(g) + H2O(l) + O2(g) =>
4 HNO3(aq) = 4 NO2(g) + 2 H2O(l) + O2(g)
C2H6S3 + O2 = CO2 + H2O + SO2 =>
2 C2H6S3 + 13 O2 = 4 CO2 + 6 H2O + 6 SO2
NaCl + H2O = HCl + Na2O =>
2 NaCl + H2O = 2 HCl + Na2O
C3H0 + O2 = CO2 + H2O =>
4 C3H0 + 13 O2 = 12 CO2 + 2 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Co + S8 = Co2S3 =>
16 Co + 3 S8 = 8 Co2S3
FeCO3 + HCl = FeCl2 + CO2 + H2O =>
FeCO3 + 2 HCl = FeCl2 + CO2 + H2O
Ag2S(s) + H2O(l) = Ag(s) + H2S(s) + O2(g) =>
2 Ag2S(s) + 2 H2O(l) = 4 Ag(s) + 2 H2S(s) + O2(g)
CH3CH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2CH2COOH + H2O =>
4 CH3CH2CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3CH2CH2COOH + 12 H2O
SO2CO3 = SO3 + CO2 =>
SO2CO3 = SO3 + CO2
KClO + HCl = KCl + H2O + Cl =>
KClO + 2 HCl = KCl + H2O + 2 Cl
Zn(OH)2 = (t)ZnO + H2O =>
Zn(OH)2 = (t)ZnO + H2O
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
NaOH(aq) + BaSO4(aq) = Ba(OH)2(aq) + Na2SO4(aq) =>
2 NaOH(aq) + BaSO4(aq) = Ba(OH)2(aq) + Na2SO4(aq)
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
CrCl3 + H2SO4 = Cr2(SO4)3 + HCl =>
2 CrCl3 + 3 H2SO4 = Cr2(SO4)3 + 6 HCl
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
KMnO2 + H2O2 = KMnO4 + H2O =>
KMnO2 + 2 H2O2 = KMnO4 + 2 H2O
As2O3 = As + O3 =>
As2O3 = 2 As + O3
Cr2O7{2-} + H{+} + C2H5OH = Cr2{3+} + CH3COOH + H2O =>
4 Cr2O7{2-} + 20 H{+} + 9 C2H5OH = 4 Cr2{3+} + 9 CH3COOH + 19 H2O
Pb + HNO3 + H2SO4 = PbSO4 + NO2 + H2O =>
Pb + 2 HNO3 + H2SO4 = PbSO4 + 2 NO2 + 2 H2O
CH3CHO + Cr2O7{2-} + H{+} = CH3COOH + Cr{2+} + H2O =>
4 CH3CHO + Cr2O7{2-} + 6 H{+} = 4 CH3COOH + 2 Cr{2+} + 3 H2O
O14 + Cl2 = Cl2O7 =>
O14 + 2 Cl2 = 2 Cl2O7
Cd(OH)2 + HCl = H2O + CdCl2 =>
Cd(OH)2 + 2 HCl = 2 H2O + CdCl2
CO2 + KOH = H2O + K2CO3 =>
CO2 + 2 KOH = H2O + K2CO3
PCl5(s) + H2O(liq) = H3PO4(ac) + HCl(ac) =>
PCl5(s) + 4 H2O(liq) = H3PO4(ac) + 5 HCl(ac)
NH4Cl + NaNO3 = NH4NO3 + NaCl =>
NH4Cl + NaNO3 = NH4NO3 + NaCl
H3(PO4) + NaOH = Na3(PO4) + H(OH) =>
H3(PO4) + 3 NaOH = Na3(PO4) + 3 H(OH)
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
氢氧化钙 + 二氧化碳 = 碳酸钙 + 水 =>
Ca(OH)2 + CO2 = CaCO3 + H2O
H2SO4 + K2SO4 = KHSO4 =>
H2SO4 + K2SO4 = 2 KHSO4
NHCl + AgNO3 = NHNO3 + AgCl =>
NHCl + AgNO3 = NHNO3 + AgCl
Iron(ii)oxide + magnesium = iron + magnesiumoxide =>
FeO + Mg = Fe + MgO
Cd + (NH4)2S = CdS + NH4 =>
Cd + (NH4)2S = CdS + 2 NH4
K2SO4 + Al(NO3)3 = KNO3 + Al2(SO4)3 =>
3 K2SO4 + 2 Al(NO3)3 = 6 KNO3 + Al2(SO4)3
ZnH2 + NaOH = Na2ZnO2 + H2 =>
ZnH2 + 2 NaOH = Na2ZnO2 + 2 H2
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