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2 Cr2O3 + 3 Si = 2 Cr2 + 3 SiO2
KOH + NaF = KF + NaOH =>
KOH + NaF = KF + NaOH
Al2(SO4)3 + K2SO4 + H2O = KAl(SO4)2*12H2O =>
Al2(SO4)3 + K2SO4 + 24 H2O = 2 KAl(SO4)2*12H2O
Ba(HCO3)2 + HCl = BaCl2 + H2OCO2 =>
Ba(HCO3)2 + 2 HCl = BaCl2 + 2 H2OCO2
O2 + HI = H2O + HI3 =>
O2 + 6 HI = 2 H2O + 2 HI3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cu + Ag2(NO3)2 = Cu2(NO3)2 + Ag2 =>
2 Cu + Ag2(NO3)2 = Cu2(NO3)2 + Ag2
Ca(NO3)2 + K4[Fe(CN)6] = Ca2[Fe(CN)6] + K(NO3) =>
2 Ca(NO3)2 + K4[Fe(CN)6] = Ca2[Fe(CN)6] + 4 K(NO3)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
CH2CH2 + KMnO4 = KOOCCOOK + MnO2 + KOH + H2O =>
3 CH2CH2 + 10 KMnO4 = 3 KOOCCOOK + 10 MnO2 + 4 KOH + 4 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
氢氧化钙 + 二氧化碳 = 碳酸钙 + 水 =>
Ca(OH)2 + CO2 = CaCO3 + H2O
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
V2O5 + Ca = CaO + V =>
V2O5 + 5 Ca = 5 CaO + 2 V
H2SO4(aq) = SO3(g) + H2O(l) =>
H2SO4(aq) = SO3(g) + H2O(l)
C19H36O6 + O2 = CO2 + H2O =>
C19H36O6 + 25 O2 = 19 CO2 + 18 H2O
FeSO4 + KClO3 + H2SO4 = Fe(SO4)3 + K2SO4 + Cl2 + H2O =>
5 FeSO4 + 4 KClO3 + 12 H2SO4 = 5 Fe(SO4)3 + 2 K2SO4 + 2 Cl2 + 12 H2O
H3AsO4 + Mn(OH)2 = Mn3(AsO4)2 + H2O =>
2 H3AsO4 + 3 Mn(OH)2 = Mn3(AsO4)2 + 6 H2O
Co(OH) + NaCl2 = CoCl2 + NaOH =>
Co(OH) + NaCl2 = CoCl2 + NaOH
NiCl2*H2O + NH3 = Ni(NH3)6Cl2 + H2O =>
NiCl2*H2O + 6 NH3 = Ni(NH3)6Cl2 + H2O
Al4C3 + H2SO4 = Al2(SO4)3 + CH4 =>
Al4C3 + 6 H2SO4 = 2 Al2(SO4)3 + 3 CH4
Cl2 + Na2CO3 = NaClO3 + NaCl + CO2 =>
3 Cl2 + 3 Na2CO3 = NaClO3 + 5 NaCl + 3 CO2
NaCH3COO(aq) + HCl(aq) = NaCl(aq) + CH3COOH(aq) =>
NaCH3COO(aq) + HCl(aq) = NaCl(aq) + CH3COOH(aq)
Cr2O7{-2} + H3O{+} = H2CrO4 + H2O =>
Cr2O7{-2} + 2 H3O{+} = 2 H2CrO4 + H2O
Cu(OH)2 + Cl + H = CuCl2 + H2O =>
Cu(OH)2 + 2 Cl + 2 H = CuCl2 + 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na + MgF2 = NaF + Mg =>
2 Na + MgF2 = 2 NaF + Mg
LiNO3 + KF = LiF + KNO3 =>
LiNO3 + KF = LiF + KNO3
CoCl2 + KNO2 + CH3COOH = K3Co(NO2)6 + NO + KCH3COO + KCl + H2O =>
CoCl2 + 7 KNO2 + 2 CH3COOH = K3Co(NO2)6 + NO + 2 KCH3COO + 2 KCl + H2O
HI + KHCO3 = KI + CO2 + H2O =>
HI + KHCO3 = KI + CO2 + H2O
HgO + H2O = HHg + O2 =>
4 HgO + 2 H2O = 4 HHg + 3 O2
C2H5NH2 + CO2 + H2O = (C2H5NH2)2CO3 + H2 =>
2 C2H5NH2 + CO2 + H2O = (C2H5NH2)2CO3 + H2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
B2Br6 + HN03 = B(N03)3 + HBr =>
B2Br6 + 6 HN03 = 2 B(N03)3 + 6 HBr
KOH + HCI = KCI + H2O =>
KOH + HCI = KCI + H2O
RuP + P = RuP2 =>
RuP + P = RuP2
KCO3 + Cu(II)Cl2 = KCl + Cu(II)(CO3)2 =>
2 KCO3 + Cu(II)Cl2 = 2 KCl + Cu(II)(CO3)2
K2O + LiOH = KOH + Li2O =>
K2O + 2 LiOH = 2 KOH + Li2O
Al + Cu2 = AlCu =>
2 Al + Cu2 = 2 AlCu
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
Al + Cu2 = AlCu =>
2 Al + Cu2 = 2 AlCu
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
Ba(NO3)2 + (NH4)3PO4 = Ba3(PO4)2 + NH4NO3 =>
3 Ba(NO3)2 + 2(NH4)3PO4 = Ba3(PO4)2 + 6 NH4NO3
Mg(C2H3O2)2 + CaBr2 = MgBr2 + Ca(C2H3O2)2 =>
Mg(C2H3O2)2 + CaBr2 = MgBr2 + Ca(C2H3O2)2
Na2CO3(aq) + Fe(NO3)3(aq) = Fe2(CO3)3(aq) + NaNO3(aq) =>
3 Na2CO3(aq) + 2 Fe(NO3)3(aq) = Fe2(CO3)3(aq) + 6 NaNO3(aq)
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