ภาพนิ่ง 1

ภาพนิ่ง 1

2.

Fe3+(aq) + SCN-(aq) [FeSCN]2+(aq) 1. Fe(NO3)3 Fe(NO3)3

Fe3+ + 3NO3- [SCNFeSCN2+],[SCNFe3+] Fe3+(aq) + SCN-(aq)

[FeSCN]2+(aq) 2. Na2HPO4 Na2HPO4 Fe3+ +HPO42- 2Na+ + HPO42FePO4(s)

[SCNFeSCN2+],[SCNFe3+] 2Fe3+(aq) + 2I-(aq) 1. FeSO4 2. KI 3. AgNO3

2Fe2+(aq)+I2(aq) 1. 2.

Figure 17.8 The effect of pressure (volume) on an equilibrium system. + lower P

(higher V) more moles of gas higher P (lower V) fewer moles of gas

C(s) + H2O(g) CO(g) + H2(g) 1. H2 [SCNCO],] K . P g [SCNC],

CO],] K HgS(g) + O2(g) Hg(g) + SO2(g) O2

He 3

2NH3+93 kJ N2 + 3H2 2NH3 N2 + 3H2 93kJ 2NH3

N2 + 3H2 ; H = +93 kJ K ? 3 N2+3H2

NH3 + 93kJ N2 + 3H2 93kJ N2 + 3H2 2NH3 NH3 ; H = -93 kJ

K ? ... ...

2SO2(g) + O2(g) 2SO3(g) + 192 kJ 2. 3.

O2 [SCNO],2] 2SO2(g) + O2(g) 2SO3(g) + 192 kJ

. = = [SCNSO],3] 2SO2(g) + O2(g) 2SO3(g) + 192 kJ

= = [SCNSO],3] K

P g Pb2+(ag) + H2S(aq) Pb(NO3)2

NaOH PbS(s) + 2H+(aq) (Le Chateliers prunc

CO(g)+Cl2(g)

COCl2(g) + 108 kJ 1. CO 2. Cl2 3. 4. 5.

(Hypoxia)Hypoxia))

PbS(s) + 2H+(aq) 1. Pb(NO3)2 2. 3. 4. KOH 5. Pb2+(aq) + H2S(g)

; H = -100 kJ CO(g) + H2O(g) CO2(g) + H2(g) + 92 kJ

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