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P4 + 6 Br2 = 4 PBr3
(CH2)3OH2 + O2 = CO2 + H2O =>
2(CH2)3OH2 + 9 O2 = 6 CO2 + 8 H2O
H2O + CO2 = C7H8 + O2 =>
4 H2O + 7 CO2 = C7H8 + 9 O2
Li2O + H2S = Li2S + H2O =>
Li2O + H2S = Li2S + H2O
(NH4)2SO4 + Fe(OH)3 = NH3 + Fe2(SO4)3 + H2O =>
3(NH4)2SO4 + 2 Fe(OH)3 = 6 NH3 + Fe2(SO4)3 + 6 H2O
Ag + K2CrO4 = Ag2CrO4 + K2 =>
2 Ag + K2CrO4 = Ag2CrO4 + K2
C3H6 + S8 = C6H6 + H2S =>
16 C3H6 + 3 S8 = 8 C6H6 + 24 H2S
Li3AsO4 = Li + As + O4 =>
Li3AsO4 = 3 Li + As + O4
Al(OH)4{-} + H2SO4 = Al{3+} + SO4{2-} + H2O =>
Al(OH)4{-} + 2 H2SO4 = Al{3+} + 2 SO4{2-} + 4 H2O
Cl2 + Na2S = NaCl + S8 =>
8 Cl2 + 8 Na2S = 16 NaCl + S8
NaI + KNO3 = KI + NaNO3 =>
NaI + KNO3 = KI + NaNO3
AgNO3 + ZnCl2 = AgCl + Zn(NO3)2 =>
2 AgNO3 + ZnCl2 = 2 AgCl + Zn(NO3)2
O2 + C11H24 = CO + H2O =>
23 O2 + 2 C11H24 = 22 CO + 24 H2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Ca(PO4)3 + H(SO4)2 = Ca(SO4)2 + H(PO4)3 =>
Ca(PO4)3 + H(SO4)2 = Ca(SO4)2 + H(PO4)3
ZnNO3 + KOH = KNO3 + ZnOH =>
ZnNO3 + KOH = KNO3 + ZnOH
Fe(OH)3 + H2C2O4 = H2O + Fe + C2O4 =>
2 Fe(OH)3 + 3 H2C2O4 = 6 H2O + 2 Fe + 3 C2O4
Fe(OH)2 + SO3{2-} + H2O = FeS + Fe(OH)3 + OH{-} =>
7 Fe(OH)2 + SO3{2-} + 3 H2O = FeS + 6 Fe(OH)3 + 2 OH{-}
CuBr3 = Br + Cu =>
CuBr3 = 3 Br + Cu
H2SO4 + Fe3O4 = FeSO4 + Fe2(SO4)3 + H2O =>
4 H2SO4 + Fe3O4 = FeSO4 + Fe2(SO4)3 + 4 H2O
LiCl + Br2 = LiBr + Cl2 =>
2 LiCl + Br2 = 2 LiBr + Cl2
HCI + S = HSCI =>
HCI + S = HSCI
FeCl2 + HNO3 + H2SO4 = Fe2(SO4)3 + NO + FeCl3 + H2O =>
6 FeCl2 + 2 HNO3 + 3 H2SO4 = Fe2(SO4)3 + 2 NO + 4 FeCl3 + 4 H2O
Zn + BaS = ZnS + Ba =>
Zn + BaS = ZnS + Ba
(CH3CO)2O + CH3CH2OH = CH3CO2CH2CH3 + CH3COOH =>
(CH3CO)2O + CH3CH2OH = CH3CO2CH2CH3 + CH3COOH
I2(aq) + NaBr(aq) = NaI(aq) + Br2(aq) =>
I2(aq) + 2 NaBr(aq) = 2 NaI(aq) + Br2(aq)
(b)AlCl3(aq) + AgNO3(aq) = AgCl(s) + Al(NO3)3(aq) =>
(b)AlCl3(aq) + 3 AgNO3(aq) = 3 AgCl(s) + Al(NO3)3(aq)
Se + SO3 = SeSO3 =>
Se + SO3 = SeSO3
GeCl4 + Ba2(CO3)2 = Ge2(CO3)4 + BaCl2 =>
2 GeCl4 + 2 Ba2(CO3)2 = Ge2(CO3)4 + 4 BaCl2
NaOH + CO2 = NaH(CO3) =>
NaOH + CO2 = NaH(CO3)
H2S + FeCl3 = HCl + Fe2 + S3 =>
3 H2S + 2 FeCl3 = 6 HCl + Fe2 + S3
KI + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + I2 =>
10 KI + 2 KMnO4 + 8 H2SO4 = 6 K2SO4 + 2 MnSO4 + 8 H2O + 5 I2
FeO + KMnO4 + H2SO4 = MnSO4 + K2SO4 + Fe2(SO4)3 + H2O =>
10 FeO + 2 KMnO4 + 18 H2SO4 = 2 MnSO4 + K2SO4 + 5 Fe2(SO4)3 + 18 H2O
KNO3 + C6H10O5 = KNO2 + CO2 + H2O =>
12 KNO3 + C6H10O5 = 12 KNO2 + 6 CO2 + 5 H2O
MgSO3 + HCl = SO2 + H2O + MgCl2 =>
MgSO3 + 2 HCl = SO2 + H2O + MgCl2
C2H6O(l) + Na(s) = NaC2H5O(s) + H2(g) =>
2 C2H6O(l) + 2 Na(s) = 2 NaC2H5O(s) + H2(g)
KI2 + Br2 = KBrI2 =>
2 KI2 + Br2 = 2 KBrI2
Al(s) + AgNO3(ac) = Al(NO3)3(ac) + Ag(s) =>
Al(s) + 3 AgNO3(ac) = Al(NO3)3(ac) + 3 Ag(s)
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
Mg(s) + HCI(I) = MgCI2(s) + H2(g) =>
2 Mg(s) + 2 HCI(I) = 2 MgCI2(s) + H2(g)
SiO2(s) + C(s) = Si(l) + CO(g) =>
SiO2(s) + 2 C(s) = Si(l) + 2 CO(g)
C4H9Br + Zn = C4H9 + ZnBr2 =>
2 C4H9Br + Zn = 2 C4H9 + ZnBr2
IO3{-} + Fe{2+} + H{+} = Fe{3+} + I2{+} + H2O(l) =>
2 IO3{-} + 9 Fe{2+} + 12 H{+} = 9 Fe{3+} + I2{+} + 6 H2O(l)
Ca(HCO3)2 + KHSO4 = CaSO4 + K2SO4 + CO2 + H2O =>
Ca(HCO3)2 + 2 KHSO4 = CaSO4 + K2SO4 + 2 CO2 + 2 H2O
BaCl2(g) + Na2SO4(g) = BaSO4 + NaCl =>
BaCl2(g) + Na2SO4(g) = BaSO4 + 2 NaCl
S8 + C12 = S2C12 =>
S8 + 4 C12 = 4 S2C12
CH3CH2OH + O2 = CH3CHO + H2O = =>
2 CH3CH2OH + O2 = 2 CH3CHO + 2 H2O
Ca(Cl)2 + NH4OH = NH4Cl + Ca(OH)2 =>
Ca(Cl)2 + 2 NH4OH = 2 NH4Cl + Ca(OH)2
K3N + MgBr2 = Mg3N2 + KBr =>
2 K3N + 3 MgBr2 = Mg3N2 + 6 KBr
C2H6 + O2 = CO + H2O =>
2 C2H6 + 5 O2 = 4 CO + 6 H2O
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