4.1 Cho 44 g N2 0 2
ư s u: 2O(k) 2N2(k) + O2(k)
ư 2 8 s
c p?
ĐS: Kc = 3,2 ; Kp = 202,83
4.2 5 u 0 7 o ư sau: PCl5 (k) PCl3 (k) + Cl2(k)
n mol PCl5, 0,42 mol PCl3 2 mol Cl2
s c, Kp Go
ĐS: Kc= 0,0882; Kp= 3,833; G o = -5920,87 J/mol
4.3 Cho 10 gam CaCO3 u o
C ư sau: CaCO3(r) CaO(r) + CO2 s su p = 0,
a) Kh i ư 3
Go
c
ĐS: a) mCaCO3 = 3,18 g; mCaO = 3,82 g; b) G o = 10740,55 J/mol, K c = 0,0034
4.4 s u oC
N2O4 (k) 2NO2(k) ư ,01 mol NO2 ư
su s p o s kJ/mol
ĐS: Kp (20 o
C) = 0,021
4.5 s ư su ư s u : 2O(k)
2H2(k) + O2 ư ư ư s p o
27 o 2 ư 6x10-3 30x10-3 Ho s hal u
ĐS: Kp(1327) = 3,75x10 -6
; Kp(1927) = 1,3x10 -4 ; H o = 172947 J/mol
4.6 s c u s u 2(k) + Br2(k) 2 1,6x105
c s u : 1/2H2(k) + 1/2Br2(k) HBr (k)
u u HBr(k) ư u
ĐS: ) x10 2
; b) 0,5%
Trang 24.7 Cho NOCl o ư s u: 2NO(k) +
Cl2(k)
su
:
s p, Kc Go
b su
ĐS: ) Kp = 2,4 x 10 -2 ; Kc = 5,8 x 10 -4 ; G o = 15511,75 J/mol ) tă 4.8 ư s u: H2(k) + I2(k) ,41 h y s p
s p Ho
ĐS: ) Kp (2000K) = 4,24 x 10 -6 ; b) Kp(1000K) = 4,90 x 10 -11 4.9 s u Ho = 74,85 kJ/mol CH4(k) C(r) + 2H2 s u s u CH4(k) C(r) H2(k) So298(J.K-1.mol-1) 186,19 5,69 130,59 Cop 298(J.K-1.mol-1) 35,71 8,64 28,84 s p o C s o p u ư Ho u
ĐS: ) Kp (25 o C) = 1,2.10 -9 ; b) H o (T) = 65728,22 + 30,61T (J/mol); 4.10 s u o p =1 CO(k) + H2O(k) CO2(k) + H2(k) u ư u
s 2 u u u s 2 4 s u ư u
u ư u
ĐS: ) 50%; b) 80% 4.11 P s c ư s u 2HI(k) H2(k) + I2(k) ư ư ư s u: M, [H2
[I2]= 3,2 M a) u
u ư
Trang 3ư c thi t l p
ĐS: a) P t t t , t t
b) [HI] = 0,331 M, [H2] = 2,0345 M, [I2] = 3,2345 M 4.12 u s u p = 84
CH4(k) + Cl2(k) CH3Cl(k) + HCl(k) su s 4, Cl2, CH3 ư
u u ư
ĐS: P t t t
4.13 4, 1 mol CS2 , 2 mol H2 2
960 o ư s u c = 0,036 CH4(k) + 2H2S(k) CS2(k) + 4H2(k) u
ĐS: P t
4.14 u 5; 0,04 mol Cl2
0,04 mol PCl3 ư s u c = 4 PCl3(k) + Cl2(k) PCl5(k) u ư
25 mol Cl2
ư
ĐS: a) P t
b) [PCl3] = 0,1542 M; [Cl2]= 0,2042 M; [PCl5] = 0,1258 M