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SO2 + H2O = H2SO3
氢氧化钙 + 二氧化碳 = 碳酸钙 + 水 =>
Ca(OH)2 + CO2 = CaCO3 + H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
S + HNO3 + BaCl2 = BaNO3 + Cl2 + H2S =>
S + 2 HNO3 + 2 BaCl2 = 2 BaNO3 + 2 Cl2 + H2S
C(grafito) + O2(g) = CO2(g) =>
C(grafito) + O2(g) = CO2(g)
AgNO3 + BaCl2 = AgCl + Ba(NO3)2 =>
2 AgNO3 + BaCl2 = 2 AgCl + Ba(NO3)2
Cd + KCN + O2 + H2O = K2Cd(CN)4 + KOH =>
2 Cd + 8 KCN + O2 + 2 H2O = 2 K2Cd(CN)4 + 4 KOH
Mn(NO2)2 + FeCl3 = Fe(NO2)3 + MnCl2 =>
3 Mn(NO2)2 + 2 FeCl3 = 2 Fe(NO2)3 + 3 MnCl2
Cu5FeS4 + O2 = FeS + Cu2S + SO2 =>
2 Cu5FeS4 + O2 = 2 FeS + 5 Cu2S + SO2
Al2S3O12 + CaN2O6 = AlN3O9 + CaSO4 =>
Al2S3O12 + 3 CaN2O6 = 2 AlN3O9 + 3 CaSO4
Mn3O4 + KCIO3 + K2CO3 = K2MnO4 + KCI + CO2 =>
3 Mn3O4 + 5 KCIO3 + 9 K2CO3 = 9 K2MnO4 + 5 KCI + 9 CO2
S + P4O10 = SO10 + P4 =>
S + P4O10 = SO10 + P4
O2(s) = O3(g) =>
3 O2(s) = 2 O3(g)
H + N2 = HN12 =>
H + 6 N2 = HN12
Na2CO3 + Ba(NO3)2 = NaNO3 + BaCO3 =>
Na2CO3 + Ba(NO3)2 = 2 NaNO3 + BaCO3
Na2O + CuBr2 = NaBr + Cu2O2 =>
2 Na2O + 2 CuBr2 = 4 NaBr + Cu2O2
H2 + AlO3 = H2O + Al =>
3 H2 + AlO3 = 3 H2O + Al
Na2CrO4 + H2SO4 = Na2SO4 + Cr2(SO4)3 + H2O + O2 =>
4 Na2CrO4 + 10 H2SO4 = 4 Na2SO4 + 2 Cr2(SO4)3 + 10 H2O + 3 O2
Si + KOH + H2O = KSi(OH)4 + H2 =>
2 Si + 2 KOH + 6 H2O = 2 KSi(OH)4 + 3 H2
Be + HNO3 = Be(NO3)2 + NO2 + H2O =>
Be + 4 HNO3 = Be(NO3)2 + 2 NO2 + 2 H2O
K4Fe(CN)6 + H2SO4 + KMnO4 = Fe2(SO4)3 + KHSO4 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 299 H2SO4 + 122 KMnO4 = 5 Fe2(SO4)3 + 162 KHSO4 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
XNaOH + XC2H4O2 = XC2H3NaO2 + XH2O =>
XNaOH + XC2H4O2 = XC2H3NaO2 + XH2O
Pb(ii) + HCl = PbCl2 + H2 =>
Pb(ii) + 2 HCl = PbCl2 + H2
CaSO3(s) + CH3COOH(aq) = CaCOOH + SO3CH3 =>
CaSO3(s) + CH3COOH(aq) = CaCOOH + SO3CH3
HCl + KOH = KCl + H30 + OH =>
30 HCl + 30 KOH = 30 KCl + H30 + 30 OH
Na2SiO3 + Zn(No3)2 = NaNo3 + ZnSiO3 =>
Na2SiO3 + Zn(No3)2 = 2 NaNo3 + ZnSiO3
KMnO4 + H2SO4 + FeSO4 = Fe2(SO4)3 + MnSO4 + H2O + KHSO4 =>
2 KMnO4 + 9 H2SO4 + 10 FeSO4 = 5 Fe2(SO4)3 + 2 MnSO4 + 8 H2O + 2 KHSO4
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
NaAlO2 + Al2(SO4)3*15H2O = Al(OH)3 + Na2SO4 + H2O =>
6 NaAlO2 + Al2(SO4)3*15H2O = 8 Al(OH)3 + 3 Na2SO4 + 3 H2O
KMnO4 + CH3HOCH2COCH3 = Mn(acac)3 + (CH3CO)2CHCH(CH3CO)2 + KOH + H2O =>
39 KMnO4 + 105 CH3HOCH2COCH3 = 13 Mn(acac)3 + 42(CH3CO)2CHCH(CH3CO)2 + 39 KOH + 159 H2O
KMnO4 + HI + H2SO4 = I2 + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 10 HI + 3 H2SO4 = 5 I2 + K2SO4 + 2 MnSO4 + 8 H2O
SO2 + NaS2 + NaCO3 = CO2 + NaS2O3 =>
6 SO2 + 2 NaS2 + 3 NaCO3 = 3 CO2 + 5 NaS2O3
As2S3 + NO3{-} + H2O = AsO4{3-} + SO4{2-} + H{+} + NO =>
3 As2S3 + 28 NO3{-} + 4 H2O = 6 AsO4{3-} + 9 SO4{2-} + 8 H{+} + 28 NO
Zn + HgNO3 = Hg + Zn(NO3)2 =>
Zn + 2 HgNO3 = 2 Hg + Zn(NO3)2
H3PO4 + NH4OH = (NH4)03PO4 + HOH =>
H3PO4 + 3 NH4OH = (NH4)03PO4 + 3 HOH
Ni2Cl2 + O2 = Ni3O2 + Cl2O5 =>
6 Ni2Cl2 + 19 O2 = 4 Ni3O2 + 6 Cl2O5
Al(OH)2 + (NH4)2S = Al2S + NH4(OH)2 =>
2 Al(OH)2 + (NH4)2S = Al2S + 2 NH4(OH)2
PbCl + Cu = CuCl + Pb =>
PbCl + Cu = CuCl + Pb
H2TeO4 + Ca(OH)2 = Ca2(TeO4)2 + H2O =>
2 H2TeO4 + 2 Ca(OH)2 = Ca2(TeO4)2 + 4 H2O
Hg(NO3)2 + P = P4O10 + NO2 + HgO =>
10 Hg(NO3)2 + 4 P = P4O10 + 20 NO2 + 10 HgO
NaClO + N2H4 = N2 + NaCl + H2O =>
2 NaClO + N2H4 = N2 + 2 NaCl + 2 H2O
Al(C2H3O2)3 + NaOH = Al(OH)3 + C2H3NaO2 =>
Al(C2H3O2)3 + 3 NaOH = Al(OH)3 + 3 C2H3NaO2
Na(s) + CH3COO(aq) + H2O(aq) = NaCH3COO*3H2O(s) =>
Na(s) + CH3COO(aq) + 3 H2O(aq) = NaCH3COO*3H2O(s)
Zn + KMnO4 + H2SO4 = ZnSO4 + K2SO4 + MnSO4 + H2O =>
5 Zn + 2 KMnO4 + 8 H2SO4 = 5 ZnSO4 + K2SO4 + 2 MnSO4 + 8 H2O
NaCl + K2Co3 = NaCo3 + K2Cl =>
NaCl + K2Co3 = NaCo3 + K2Cl
CH3CH(OH)CH2(OH) + CuO = CH2(OH)CH(OH)CH2(OH) + Cu =>
CH3CH(OH)CH2(OH) + CuO = CH2(OH)CH(OH)CH2(OH) + Cu
Es + Br3 = EsBr4 =>
3 Es + 4 Br3 = 3 EsBr4
Na2 + V2 = NaV =>
Na2 + V2 = 2 NaV
Zn(No3)2 + Na2S(aq) = ZnS(s) + NaNo3(aq) =>
Zn(No3)2 + Na2S(aq) = ZnS(s) + 2 NaNo3(aq)
HC2H3O2 + Ba(OH)2 = HOH + (C2H3O2)2Ba =>
2 HC2H3O2 + Ba(OH)2 = 2 HOH + (C2H3O2)2Ba
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