A. The rate of a chemical reaction. B. The amount of reactants at equilibrium. C. The extent of a chemical reaction at equilibrium. D. The pressure of a reaction. 相关知识点: 试题来源: 解析 C。解析:平衡常数 K 是衡量化学反应在平衡状态下进行程度的量。A 选项是反应速率;B 选项是平衡时...
解析 解 电极反应 Cu(acu )+e=Cu(s) \varphi_(Cu)⋅ρ_(Cu)=0.521V Cu2+(acu2)+2e-=Cu(s) e \varphi_(Cu)^2⋅x_(i1)=0.337V E =2-2=-2/=0.521-0. 337 =0.184(V) △G=-nFE^-=-2.303RTlgK^0 lgK^θ=(2*9648*0.184)/(2.303*8.314*298)=6.22 K^θ=1.66*10^6 ...
+/c=0.521V,2c=0.337V 相关知识点: 试题来源: 解析 解电极反应Cu+(ac+)+e-Cu(s)=0.521VCu2+(ac2+)+2e-==Cu(s)2+cu=0.337VE=-=-2+=0.521-0.337=0.184(V)AG = -nFE= -2. 2×96485×0.1846.222.303×8.314×298K=1.66×10 反馈 收藏 ...
9 The equilibrium constant for reaction I below is K. What is the equilibrium constant for reaction II? A ReactionI SO_2(g)+1/2O_2(g) 日 SO_3(g) Reaction Il 2SO3(g) 2SO_2(g)+O_2(g) A K^(-2) C 2K B D 2K^(-1) ...
1. What is the value of the equilibrium constant at 25℃ for the reaction ( refer to the table of standard electrode potential):I1(s)+2Br(aq)=2I (aq)+Br2(1)? 相关知识点: 试题来源: 解析 Solution \varphi^θ(I_2/I^-)=0.5355V_(i4)^θ(Br_2/Br^-)=1.066V 2x(0. 5355V-1....
What is the equilibrium constant K(eq) for the following reaction at 4... 03:48 Cyanamide (NH2CN) is completely burnt in excess oxygen in a bomb calor... 03:51 Calculate the enthalpy of hydrogenation of ethylene from the following... 04:19 Calculate the lattice energy of CaCl2 from the...
1. What is the value of the equilibrium constant at 25 C for the reaction (refer to the table of standard electrode potential) : I2(s)+ 2Br(aq)=2I (aq)+ Br2 (1)? 相关知识点: 试题来源: 解析 1.1. 15*10^(-1) 反馈 收藏 ...
Write the equilibrium constant (Kc) expression for the following reaction : (i)Cu2+(aq)+2A(s)⇔Cu(s)+2A+(aq) (ii)4HCI(g)+O2(g)⇔2CI2(g)+2H2O(g) View Solution Write the equilibrium constant expressions for the following reactions : (i)12N2(g)+32H2(g)⇔NH3(g) (...
Equilibrium constant question? Homework Statement A mixture of 0.229 mol CO2, 0.229 mol of H2, and 0.328 mol of H2O are placed in a 2.0 L container. The...
Enter ceteris paribus. Mainstream economists construct abstract models where they pretend all variables are held constant, except the one they want to test. This style of pretending, called ceteris paribus, is the crux of general equilibrium theory.1 ...