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4 PF5 = 10 F2 + P4
HCN + H2 = NH4 + CH4 =>
2 HCN + 7 H2 = 2 NH4 + 2 CH4
KMnO4 + C3H6 + H2O = MnO2 + C3H8O2 + KOH =>
2 KMnO4 + 3 C3H6 + 4 H2O = 2 MnO2 + 3 C3H8O2 + 2 KOH
HNO3 + NO = NO2 + H2O =>
2 HNO3 + NO = 3 NO2 + H2O
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Cu + H2(SO4) = Cu(SO4) + (H20) = SO2 =>
10 Cu + 10 H2(SO4) = 10 Cu(SO4) + (H20)
Na2S2O3 + Hg(NO3)2 = HgS2O3 + NaNO3 =>
Na2S2O3 + Hg(NO3)2 = HgS2O3 + 2 NaNO3
C2H2 + Cl2 = C2H2Cl2 =>
C2H2 + Cl2 = C2H2Cl2
K + CN + O = KOCN =>
K + CN + O = KOCN
H2SO4 + LiOH = H2O + Li2SO4 =>
H2SO4 + 2 LiOH = 2 H2O + Li2SO4
CH3CHNH2COOH + O2 = CO2 + H2O + NH3 =>
CH3CHNH2COOH + 3 O2 = 3 CO2 + 2 H2O + NH3
Fe2O3 + FeS = Fe + SO2 =>
2 Fe2O3 + 3 FeS = 7 Fe + 3 SO2
Mg(NO3)2 + Na2CO3 = Mg(CO3) + Na2(NO3)2 =>
Mg(NO3)2 + Na2CO3 = Mg(CO3) + Na2(NO3)2
CH2O + O2 = CO2 + H2O =>
CH2O + O2 = CO2 + H2O
P2O3 + Br2 = PBr3 + P2O5 =>
5 P2O3 + 6 Br2 = 4 PBr3 + 3 P2O5
Bi(NO3)3 + Na2[Sn(OH)3] + NaOH = Bi + Na[Sn(OH)6] + NaNO3 =>
4 Bi(NO3)3 + 3 Na2[Sn(OH)3] + 9 NaOH = 4 Bi + 3 Na[Sn(OH)6] + 12 NaNO3
Zn + AgN3 = ZnN3 + Ag =>
Zn + AgN3 = ZnN3 + Ag
CaS + Cu = CuS + Ca =>
CaS + Cu = CuS + Ca
BaCrO4 + K3PO4 = Ba3(PO4)2 + K2CrO4 =>
3 BaCrO4 + 2 K3PO4 = Ba3(PO4)2 + 3 K2CrO4
Pt + FeCl3 = PtCl2 + Fe =>
3 Pt + 2 FeCl3 = 3 PtCl2 + 2 Fe
H3PO3 + Zn + H2SO4 = ZnSO4 + H2O + H3P =>
H3PO3 + 3 Zn + 3 H2SO4 = 3 ZnSO4 + 3 H2O + H3P
Li2O + HOH = LiOH =>
Li2O + HOH = 2 LiOH
CH3COOH + C4H9OH = CH3COOC4H9 + H2 =>
CH3COOH + 4 C4H9OH = 3 CH3COOC4H9 + 4 H2
Cr2O7{-2} + H3O{+} + e = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H3O{+} + 6e = 2 Cr{+3} + 21 H2O
K2[HgI4] + Na2S = HgS + KI + NaI =>
K2[HgI4] + Na2S = HgS + 2 KI + 2 NaI
BaO2 + K4(Fe(CN)6) + H2SO4 = K3(Fe(CN)6) + BaSO4 + KOH =>
BaO2 + 2 K4(Fe(CN)6) + H2SO4 = 2 K3(Fe(CN)6) + BaSO4 + 2 KOH
C2H5OH + KCr2O7 + H2SO4 = CH3CHO + Cr2(SO4)3 + K2SO4 + H2O =>
7 C2H5OH + 2 KCr2O7 + 7 H2SO4 = 7 CH3CHO + 2 Cr2(SO4)3 + K2SO4 + 14 H2O
ZnS + ZnSO4 = Zn + SO2 =>
ZnS + ZnSO4 = 2 Zn + 2 SO2
SO2 + LiOH = LiHSO3 =>
SO2 + LiOH = LiHSO3
C6H5CH2CH3 + HNO3 = C6H4CH2CH3NO2 + H2O =>
C6H5CH2CH3 + HNO3 = C6H4CH2CH3NO2 + H2O
Si2H6O2 + O2 = SiO2 + H2O =>
2 Si2H6O2 + 5 O2 = 4 SiO2 + 6 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
NaCI + CuSO4 = NaSO4 + CuCI =>
NaCI + CuSO4 = NaSO4 + CuCI
SO2 + Na2O = Na2SO3 =>
SO2 + Na2O = Na2SO3
MnSO4 + SrBr2 = SrSO4 + MnBr2 =>
MnSO4 + SrBr2 = SrSO4 + MnBr2
CH3CH2CH2COOH + Ba = H2 + CH3CH2CH2COOBa =>
2 CH3CH2CH2COOH + 2 Ba = H2 + 2 CH3CH2CH2COOBa
Ca + NaNO3 = CaNO3 + Na =>
Ca + NaNO3 = CaNO3 + Na
K3PO4 + Ca(NO3)2 = Ca3(PO4)2 + KNO3 =>
2 K3PO4 + 3 Ca(NO3)2 = Ca3(PO4)2 + 6 KNO3
Hg + H2SO3 = Hg(SO3) + H2 =>
Hg + H2SO3 = Hg(SO3) + H2
HI + Fe2O3 = FeI3 + H2O =>
6 HI + Fe2O3 = 2 FeI3 + 3 H2O
Ni + CH3C(NOH)C(NOH)CH3 = Ni(C4H8N2O2)2 =>
Ni + 2 CH3C(NOH)C(NOH)CH3 = Ni(C4H8N2O2)2
C3H7COOH + KOH = C3H7COOK + H2O =>
C3H7COOH + KOH = C3H7COOK + H2O
C12H20O11 + H2O = C2H5OH + CO2 =>
6 C12H20O11 + 9 H2O = 23 C2H5OH + 26 CO2
C2H6O(pentanol) + O2 = CO2 + H2O =>
C2H6O(pentanol) + 3 O2 = 2 CO2 + 3 H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
CuSO4 + H2O2 + NaOH = CuO2 + Na2SO4 + H2O =>
CuSO4 + H2O2 + 2 NaOH = CuO2 + Na2SO4 + 2 H2O
Cu + MgSO4 = CuSO4 + Mg =>
Cu + MgSO4 = CuSO4 + Mg
Al + H2O + KMnO4 = MnO2 + Al(OH)3 + KOH =>
Al + 2 H2O + KMnO4 = MnO2 + Al(OH)3 + KOH
C4H12O + Cr2O7{-2} + H{+} = C4H9O2 + Cr{+3} + H2O =>
6 C4H12O + 5 Cr2O7{-2} + 40 H{+} = 6 C4H9O2 + 10 Cr{+3} + 29 H2O
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