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2 HNO3(aq) + Na2SO3(aq) = 2 NaNO3(aq) + SO2(g) + H2O(l)
SO4 + HCl = H2SO4 + Cl2 =>
SO4 + 2 HCl = H2SO4 + Cl2
(NH4)3PO4 + Na2O = (NH4)2O + Na3PO4 =>
2(NH4)3PO4 + 3 Na2O = 3(NH4)2O + 2 Na3PO4
Li + H2SO3 = Li2SO3 + H2 =>
2 Li + H2SO3 = Li2SO3 + H2
LiI + BaS = Li2S + BaI2 =>
2 LiI + BaS = Li2S + BaI2
Fe(NO3)3 + K2Cr2O7 = Fe2(Cr2O7)3 + KNO3 =>
2 Fe(NO3)3 + 3 K2Cr2O7 = Fe2(Cr2O7)3 + 6 KNO3
Na2C2O4 + Ca(HCO3)2 = Na(HCO3) + CaC2O4 =>
Na2C2O4 + Ca(HCO3)2 = 2 Na(HCO3) + CaC2O4
SI + HNO3 = SIO2 + NO2 + H2O =>
SI + 4 HNO3 = SIO2 + 4 NO2 + 2 H2O
Na2O + SO2 = Na2SO3 =>
Na2O + SO2 = Na2SO3
Sn(s) + HNO3 = SnO2 + NO2 + H2O =>
Sn(s) + 4 HNO3 = SnO2 + 4 NO2 + 2 H2O
Zn(s) + S8(s) = ZnS(s) =>
8 Zn(s) + S8(s) = 8 ZnS(s)
Fe + HCl(conc) = FeCl2 + H2 =>
Fe + 2 HCl(conc) = FeCl2 + H2
Zn + OH{-} = ZnO + H2O + {-} =>
Zn + 2 OH{-} = ZnO + H2O + 2e
Si + HNO3 = SiO2 + NO2 + H2O =>
Si + 4 HNO3 = SiO2 + 4 NO2 + 2 H2O
Ca + Fe(SO4)2 = CaSO4 + Fe =>
2 Ca + Fe(SO4)2 = 2 CaSO4 + Fe
FeI3 + Cl2 = FeCl2 + I2 =>
2 FeI3 + 2 Cl2 = 2 FeCl2 + 3 I2
CHCCH2CH3 + O2 = CO2 + H2O =>
2 CHCCH2CH3 + 11 O2 = 8 CO2 + 6 H2O
H2S + HNO2 = H2SO4 + NO + H2O =>
H2S + 8 HNO2 = H2SO4 + 8 NO + 4 H2O
C3H8 + Cl2 = C3H6Cl2 + HCl =>
C3H8 + 2 Cl2 = C3H6Cl2 + 2 HCl
Mg(s) + HCl(aq) = H2(g) + MgCl2(aq) =>
Mg(s) + 2 HCl(aq) = H2(g) + MgCl2(aq)
SO3 + CuO = CuSO4 = H2O =>
SO3 + CuO = CuSO4
C3H3Cu + H2SO4 = CuSO4 + C3H4 + H2O + SO2 =>
2 C3H3Cu + 3 H2SO4 = 2 CuSO4 + 2 C3H4 + 2 H2O + SO2
CuCl + F2 = CuF + Cl2 =>
2 CuCl + F2 = 2 CuF + Cl2
Hg(NO3)2 + H2SO3 = HgSO3 + HNO3 =>
Hg(NO3)2 + H2SO3 = HgSO3 + 2 HNO3
Al + F = AlF2 =>
Al + 2 F = AlF2
Sn(NO3)2(aq) + NaOH(aq) = Sn(OH)2(s) + NaNO3(aq) =>
Sn(NO3)2(aq) + 2 NaOH(aq) = Sn(OH)2(s) + 2 NaNO3(aq)
CH3OH + MnO4 = HCOOH + MnO2 + H2O =>
CH3OH + MnO4 = HCOOH + MnO2 + H2O
S2O3{-2} + Cu{+2} = S4O6{-2} + Cu{+} =>
2 S2O3{-2} + 2 Cu{+2} = S4O6{-2} + 2 Cu{+}
Mg(HCO3)2 + Na2CO3 = MgCO3 + Na(HCO3) =>
Mg(HCO3)2 + Na2CO3 = MgCO3 + 2 Na(HCO3)
CN + O2 = CNO =>
2 CN + O2 = 2 CNO
Al2O3 + CoO = Al2CoO4 =>
Al2O3 + CoO = Al2CoO4
H2 + C + N2 = HCN =>
H2 + 2 C + N2 = 2 HCN
Ni(NO3)2 + Na2CrO4 = Ni(CrO4) + Na(NO3) =>
Ni(NO3)2 + Na2CrO4 = Ni(CrO4) + 2 Na(NO3)
NaBr + F = NaF + Br =>
NaBr + F = NaF + Br
AlCl3 + I2 = AlI3 + Cl2 =>
2 AlCl3 + 3 I2 = 2 AlI3 + 3 Cl2
NaCrOH4 + H2O2 + NaOH = Na2CrO4 + H2O =>
2 NaCrOH4 + 9 H2O2 + 2 NaOH = 2 Na2CrO4 + 14 H2O
Sn + NO3 = SnO2 + NO2 =>
Sn + 2 NO3 = SnO2 + 2 NO2
Na2S + HNO3 = S + NO + NaNO3 + H2O =>
3 Na2S + 8 HNO3 = 3 S + 2 NO + 6 NaNO3 + 4 H2O
C8H15 + O2 = CO + H2O =>
4 C8H15 + 31 O2 = 32 CO + 30 H2O
FeCl2 + K4[Fe(CN)6] = KCl + K2Fe[Fe(CN)6] =>
FeCl2 + K4[Fe(CN)6] = 2 KCl + K2Fe[Fe(CN)6]
CH3 + H2O = CH4 + OH =>
CH3 + H2O = CH4 + OH
NH4SCN + H2O = NH4OH + HSCN =>
NH4SCN + H2O = NH4OH + HSCN
W + Br = WBr =>
W + Br = WBr
Ca(s) + O(G) = CaO(G) =>
Ca(s) + O(G) = CaO(G)
Zn(OH)2 + Na2SO4 = NaOH + Zn2(SO4)2 =>
2 Zn(OH)2 + 2 Na2SO4 = 4 NaOH + Zn2(SO4)2
C2H4 + OH = C2H4(OH)2 =>
C2H4 + 2 OH = C2H4(OH)2
NaNH3 + HCl = NaCl + NH4 =>
NaNH3 + HCl = NaCl + NH4
氢氧化钙 + 二氧化碳 = 碳酸钙 + 水 =>
Ca(OH)2 + CO2 = CaCO3 + H2O
HF + Zn = ZnH + F =>
HF + Zn = ZnH + F
Fe2 + F2 = FeF2 =>
Fe2 + 2 F2 = 2 FeF2
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