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 ...
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 ...
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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...
If the demand for a product declines, what happens to the price of the product? What does the demand curve show? Explain. Is the demand for agricultural products elastic or? inelastic? Why? How do changes in supply and demand affect equilibrium?
What will be the equilibrium constant of the given reaction carried out in a 5 L vessel and having equilibrium amounts of A2 and A as 0.5 mol and 2 xx 10^(-6)