0 4.1 Cho 44 g N2 s u: 2O(k)  2N2(k) + O2(k) c p? ĐS: Kc = 3,2 ; Kp = 202,83 s 4.2 u sau: PCl5 (k)  PCl3 (k) + Cl2(k) n mol PCl5, 0,42 mol PCl3 o s G c, Kp ĐS: Kc= 0,0882; Kp= 3,833; Go = -5920,87 J/mol mol Cl2 o u 4.3 Cho 10 gam CaCO3 sau: CaCO3(r)  CaO(r) + CO2 a) Kh i o G 7o C su s p = 0, c ĐS: a) mCaCO3 = 3,18 g; mCaO = 3,82 g; b) Go = 10740,55 J/mol, Kc = 0,0034 o 4.4 s u N2O4 (k)  2NO2(k) su C ,01 mol NO2 s o s kJ/mol ưs u: 2O(k) p ĐS: Kp (20oC) = 0,021 4.5 s 2H2(k) + O2 27 o 30x10-3 Ho ư su s s o p 6x10-3 u hal ĐS: Kp(1327) = 3,75x10-6; Kp(1927) = 1,3x10-4; Ho = 172947 J/mol s 4.6 1,6x105 s u c u c u ĐS: ) x102; b) 0,5% u s u 2(k) + Br2(k)  : 1/2H2(k) + 1/2Br2(k)  HBr (k) HBr(k)  u o 4.7 Cho NOCl Cl2(k)  2NO(k) + s u: su : p, Kc s Go b su -2 -4 o ĐS: ) Kp = 2,4 x 10 ; Kc = 5,8 x 10 ; G = 15511,75 J/mol ) ,41 s  H2(k) + I2(k) s s u: h y 4.8 tă p Ho p ĐS: ) Kp (2000K) = 4,24 x 10-6; b) Kp(1000K) = 4,90 x 10-11 Ho = 74,85 kJ/mol s us u s u CH4(k)  C(r) + 2H2 4.9 So298(J.K-1.mol-1) Cop 298(J.K-1.mol-1) s o p CH4(k) 186,19 35,71 s u C(r) 5,69 8,64 H2(k) 130,59 28,84 o C p Ho u ĐS: ) Kp (25oC) = 1,2.10-9; b) Ho(T) = 65728,22 + 30,61T (J/mol); s u CO(k) + H2O(k)  CO2(k) + H2(k) u s u u us s u u ĐS: ) 50%; b) 80% o 4.10 p =1 u u s 4.11 P 2HI(k)  H2(k) + I2(k) ư u ưs u c s u: M, [H2 [I2]= 3,2 M a) u u ĐS: c thi t l p a) P tt 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, t Cl2, CH3 u ĐS: P u t t 4.13 t 4, o 960 CH4(k) + 2H2S(k)  CS2(k) + 4H2(k) ĐS: P t 4.14 0,04 mol PCl3 mol CS2 , mol H2 ưs u c = 0,036 u u ưs u PCl3(k) + Cl2(k)  PCl5(k) u 25 mol Cl2 5; c =4 ư ĐS: a) P t b) [PCl3] = 0,1542 M; [Cl2]= 0,2042 M; [PCl5] = 0,1258 M 0,04 mol Cl2