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P2O4 + 4 H2O = 2 H3PO4 + H2
CuCl + HNO3 = Cu(NO3)2 + HCl + NO2 + H2O =>
CuCl + 3 HNO3 = Cu(NO3)2 + HCl + NO2 + H2O
NO3{-} + S + H{+} = NO2 + SO4 + H2O =>
8 NO3{-} + S + 8 H{+} = 8 NO2 + SO4 + 4 H2O
C4H8O2 + Na2CO3 = CH3CH3CHCOONa + CO2 + H2O =>
2 C4H8O2 + Na2CO3 = 2 CH3CH3CHCOONa + CO2 + H2O
NaNCS + O2 + H2O = NaHSO4 + HCN =>
2 NaNCS + 3 O2 + 2 H2O = 2 NaHSO4 + 2 HCN
F + KI = FK + I2 =>
2 F + 2 KI = 2 FK + I2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
BeO + C = Be2C + CO2 =>
2 BeO + 2 C = Be2C + CO2
KNO3 + Hg(OH)2 = KOH + Hg(NO3)2 =>
2 KNO3 + Hg(OH)2 = 2 KOH + Hg(NO3)2
Fe(NH4)2(SO4)2(H2O)6 + H2C2O4 + K2C2O4 + H2O2 = K3Fe(C2O4)3(H2O)6 + (NH4)2SO4 + H2SO4 + H2O =>
2 Fe(NH4)2(SO4)2(H2O)6 + 3 H2C2O4 + 3 K2C2O4 + H2O2 = 2 K3Fe(C2O4)3(H2O)6 + 2(NH4)2SO4 + 2 H2SO4 + 2 H2O
MgSO4(aq) + Na(s) = Na2SO4(aq)Mg(s) =>
MgSO4(aq) + 2 Na(s) = Na2SO4(aq)Mg(s)
Fe(s) + H2O = Fe3O4 + H2(g) =>
3 Fe(s) + 4 H2O = Fe3O4 + 4 H2(g)
Fe5 + Cl8 = FeCl3 =>
8 Fe5 + 15 Cl8 = 40 FeCl3
Cl2 + Na2S2O3*5H2O + NaOH = Na2S2O6 + NaCl + H2O =>
3 Cl2 + Na2S2O3*5H2O + 6 NaOH = Na2S2O6 + 6 NaCl + 8 H2O
RbCl + Al2O3 = AlCl3 + Rb2O =>
6 RbCl + Al2O3 = 2 AlCl3 + 3 Rb2O
B2O3 + H2O = B(OH)4 + H3O =>
B2O3 + 7 H2O = 2 B(OH)4 + 2 H3O
H3PO4(aq) + NH4OH = H2O + (NH4)3PO4 =>
H3PO4(aq) + 3 NH4OH = 3 H2O + (NH4)3PO4
NaCl + KOH = NaOHKCl =>
NaCl + KOH = NaOHKCl
Al + NO2 = Al(NO2)3 =>
Al + 3 NO2 = Al(NO2)3
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
HI + H2O = IO + H =>
HI + H2O = IO + 3 H
HBr + CuCO3 = H2CO3 + CuBr2 =>
2 HBr + CuCO3 = H2CO3 + CuBr2
(2Na2CO3*3H2O2) = Na2CO3 + H2O + O2 =>
(2Na2CO3*3H2O2) = 2 Na2CO3 + 6 H2O + 3 O2
Js2O3 + HCO3 = JsH + CO2 + O2 =>
2 Js2O3 + 4 HCO3 = 4 JsH + 4 CO2 + 5 O2
K2[Be(OH)4] + KNO3 = Be(NO3)2 + KOH =>
K2[Be(OH)4] + 2 KNO3 = Be(NO3)2 + 4 KOH
Na2S + KMnO4 + H2O = S + MnO2 + NaOH + KOH =>
3 Na2S + 2 KMnO4 + 4 H2O = 3 S + 2 MnO2 + 6 NaOH + 2 KOH
AlCl3(s) + KOH = Al(OH)3 + KCl =>
AlCl3(s) + 3 KOH = Al(OH)3 + 3 KCl
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
C6H6 + CH3COCl = C6H5CH3CO + HCl =>
C6H6 + CH3COCl = C6H5CH3CO + HCl
OF + H2O = O2 + HF =>
4 OF + 2 H2O = 3 O2 + 4 HF
Cu2(OH)2CO3 + Ca(OH)2 = CaCO3 + Cu(OH)2 =>
Cu2(OH)2CO3 + Ca(OH)2 = CaCO3 + 2 Cu(OH)2
POCl3 + Na2CO3 = Na3PO4 + NaCl + CO2 =>
POCl3 + 3 Na2CO3 = Na3PO4 + 3 NaCl + 3 CO2
Fe{2+} + Cu = Fe + Cu{3+} =>
3 Fe{2+} + 2 Cu = 3 Fe + 2 Cu{3+}
HCHO + HCl = CH3Cl + O2 =>
2 HCHO + 2 HCl = 2 CH3Cl + O2
HBr + CuCO3 = H2CO3 + CuBr2 =>
2 HBr + CuCO3 = H2CO3 + CuBr2
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
Cr2O7{2-} + C2H5OH + H3O{+} = Cr{3+} + H2O + C2H4O2 =>
2 Cr2O7{2-} + 3 C2H5OH + 16 H3O{+} = 4 Cr{3+} + 27 H2O + 3 C2H4O2
Zn + H2SO4 = Zn2SO4H2 =>
2 Zn + H2SO4 = Zn2SO4H2
Cu + Cl2 + KOH = Cu(OH)2 + KCl =>
Cu + Cl2 + 2 KOH = Cu(OH)2 + 2 KCl
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
KI + Br2 + H2O = KOH + BrI + H2 =>
2 KI + Br2 + 2 H2O = 2 KOH + 2 BrI + H2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
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