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 ...
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...
The equilibrium constant is calculated by taking the concentrations of products and dividing them by the concentrations of reactants, each raised to their respective stoichiometric coefficients. The resulting equation is K = [C]^c[D]^d / [A]^a[B]^b, where A, B, C, and D are the reac...
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) ...
Overall, dynamic equilibrium is a steady state reached when a reversible reaction occurs at the same rate in both directions and has an unchanging ratio of products and reactants. The equilibrium constant, K, of a reaction is the ratio of product to reactant concentrations, as defined by the...
What is the equilibrium constant expression for the following reaction... 01:07 How are K(p) " and "K(c) related to each other in the reaction N(2)... 01:57 can equilibrium be obtained in reaction between acetic acid and ethy... 01:47 under what conditions can equilibrium be achiev...
Understand equilibrium constant and reaction quotient and their definitions. Learn their symbols and differences, how to calculate Q and K, and see examples. Related to this Question What is the Boltzman constant? What type of change is solution formation? Explain. ...
The value of the equilibrium constant K_p for the reaction below is 0.795 at 900 ^circ C. 1. The reaction below has an equilibrium constant K_P = 2.2 x 10^6 at 298 K. 2COF_2(g) <---> CO_2(g) + CF_4(g) Calculate K_P for the reaction below. 24COF_2(g) <---> 12...
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....