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2 HCN + Ca(OH)2 = CaC2N2 + 2 H2O
O2 + C + H2 + N2 = CH3NO2 =>
2 O2 + 2 C + 3 H2 + N2 = 2 CH3NO2
Al2O3 + KOH + H2O = K[Al(OH)4] =>
Al2O3 + 2 KOH + 3 H2O = 2 K[Al(OH)4]
H2CrO4 = CrO3 + H2O =>
H2CrO4 = CrO3 + H2O
C18H34O2 + NaO2H3 = C18H33O2Na + H2O =>
C18H34O2 + NaO2H3 = C18H33O2Na + 2 H2O
Bi(OH)3 + [Sn(OH)3]{-} + OH{-} = Bi + [Sn(OH)6]{2-}{+} =>
2 Bi(OH)3 + 3[Sn(OH)3]{-} + 3 OH{-} = 2 Bi + 3[Sn(OH)6]{2-}{+}
K2Cr2O7 + H2SO4 + Na2SO3 = Cr2(SO4)3 + K2SO4 + H2O + Na2SO4 =>
K2Cr2O7 + 4 H2SO4 + 3 Na2SO3 = Cr2(SO4)3 + K2SO4 + 4 H2O + 3 Na2SO4
C7H8NO2 + KMnO4 + H2SO4 = C7H6NO4 + MnSO4 + K2SO4 + H2O =>
5 C7H8NO2 + 6 KMnO4 + 9 H2SO4 = 5 C7H6NO4 + 6 MnSO4 + 3 K2SO4 + 14 H2O
CaCO3*MgCO3 + H2SO4 = CaSO4 + MgSO4 + CO2 + H2O =>
CaCO3*MgCO3 + 2 H2SO4 = CaSO4 + MgSO4 + 2 CO2 + 2 H2O
CaSO4 + SlO2 + C = CaSlO2 + CO + S =>
CaSO4 + SlO2 + 4 C = CaSlO2 + 4 CO + S
Fe + S8 = Fe23S =>
184 Fe + S8 = 8 Fe23S
SbCl2 + Fe2(SO4)3 = SbSO4 + FeCl3 =>
3 SbCl2 + Fe2(SO4)3 = 3 SbSO4 + 2 FeCl3
Mn2O3 + PbO2 + HNO3 = H2MnO7 + Pb(NO3)2 + H2O =>
Mn2O3 + 9 PbO2 + 18 HNO3 = 2 H2MnO7 + 9 Pb(NO3)2 + 7 H2O
Na2Pb(aq) + KI(aq) = PbI2(s) + NaK(aq) =>
Na2Pb(aq) + 2 KI(aq) = PbI2(s) + 2 NaK(aq)
H2SO4 + KBrO3 + KI = KBr + I2 + K2SO4 + H2O =>
3 H2SO4 + KBrO3 + 6 KI = KBr + 3 I2 + 3 K2SO4 + 3 H2O
PB + O2 = PBO3 =>
2 PB + 3 O2 = 2 PBO3
Fe[OH]3 = Fe2O3 + H2O =>
2 Fe[OH]3 = Fe2O3 + 3 H2O
(NH4)2S + NaOH = (NH4)2OH + SNa =>
(NH4)2S + NaOH = (NH4)2OH + SNa
KOH + CH3CH2OH = CH3OK + H2O =>
2 KOH + CH3CH2OH = 2 CH3OK + H2O
Ga + H2 = GaH4 =>
Ga + 2 H2 = GaH4
氢氧化钙 + 二氧化碳 = 碳酸钙 + 水 =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Cu(g) + HNO3(g) = CuNO3(g) + NO(g) + H2O(g) =>
3 Cu(g) + 4 HNO3(g) = 3 CuNO3(g) + NO(g) + 2 H2O(g)
Cu + H2(SO4)2 = CuSO4 + H2O + SO2 =>
3 Cu + 2 H2(SO4)2 = 3 CuSO4 + 2 H2O + SO2
C2H6 + Br = C2H5Br + HBr =>
C2H6 + 2 Br = C2H5Br + HBr
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NH3 + CO2 = N2 + CH4 + H2O =>
8 NH3 + 3 CO2 = 4 N2 + 3 CH4 + 6 H2O
Mn + (OH)7 + H2SO3 = Mn2(SO3)7 + H2O =>
2 Mn + 2(OH)7 + 7 H2SO3 = Mn2(SO3)7 + 14 H2O
NaCO3 + MnCl5 = Mn(CO3)5 + NaCl =>
5 NaCO3 + MnCl5 = Mn(CO3)5 + 5 NaCl
Cu + Ca(SO4) = Ca + Cu(SO4) =>
Cu + Ca(SO4) = Ca + Cu(SO4)
Ca(HCO3)2 + NaOH = CaCO3 + NaHCO3 + H2O =>
Ca(HCO3)2 + NaOH = CaCO3 + NaHCO3 + H2O
H2SO4 + Al = Al3SO4 + H2 =>
H2SO4 + 3 Al = Al3SO4 + H2
C2H5OH + H2O = C2H6OH + O2 =>
4 C2H5OH + 2 H2O = 4 C2H6OH + O2
H2OH2O2 = O2 + H2O =>
2 H2OH2O2 = O2 + 4 H2O
N3H12PO4 + PbN4O12 = Pb3P4O16 + N2H4O3 =>
4 N3H12PO4 + 3 PbN4O12 = Pb3P4O16 + 12 N2H4O3
NaOH + SiHCl3 + H2O = Na2SiO3 + HCl + H2 =>
2 NaOH + SiHCl3 + H2O = Na2SiO3 + 3 HCl + H2
ZnCl2 = Zn + Cl2(g) =>
ZnCl2 = Zn + Cl2(g)
CrBr3 + Zn = CrBr3Zn =>
CrBr3 + Zn = CrBr3Zn
NH4Cl + KPO4 = KCl + NH4PO4 =>
NH4Cl + KPO4 = KCl + NH4PO4
NaOH + SiHCl3 + H2O = Na2SiO3 + HCl + H2 =>
2 NaOH + SiHCl3 + H2O = Na2SiO3 + 3 HCl + H2
NH4(NO3) = N2O + H2O =>
NH4(NO3) = N2O + 2 H2O
C5H12 + O2 = CO + HOH =>
2 C5H12 + 11 O2 = 10 CO + 12 HOH
Nb2O5 + MnO2 + Mn = Mn4Nb2O9 =>
Nb2O5 + 2 MnO2 + 2 Mn = Mn4Nb2O9
NaCl + H2O = HOCl + NaH =>
NaCl + H2O = HOCl + NaH
Na2SO4 + BaCl2 = BaSO4 + Cl2 + Na =>
Na2SO4 + BaCl2 = BaSO4 + Cl2 + 2 Na
S + H2O = SO2 + H2 =>
S + 2 H2O = SO2 + 2 H2
K[Sb(OH)6] + KI = K[Sb(OH)4] + KOH + I2 =>
K[Sb(OH)6] + 2 KI = K[Sb(OH)4] + 2 KOH + I2
Pt + Fe(NO3)3 = Fe + Pt(NO3)3 =>
Pt + Fe(NO3)3 = Fe + Pt(NO3)3
I3{-} + SO2 + H2O = SO4{2-} + I{-} + H{+} =>
I3{-} + SO2 + 2 H2O = SO4{2-} + 3 I{-} + 4 H{+}
Fe[NO3]3 = Fe2O3 + NO2 + O2 =>
4 Fe[NO3]3 = 2 Fe2O3 + 12 NO2 + 3 O2
NH3 + HBr = NBr + H =>
NH3 + HBr = NBr + 4 H
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