Question

The function of the "ion pump" in nerve chemistry is to transport Na^+ and K^- against their concentration gradients in order to maintain constant values of their concentrations regulate the speed of transport of all ions across nerve cell membranes. transport Ca^2+ and Cl^- against their concentration gradients in order to maintain constant Values of their concentrations. allow the passage of Na^+, K^-, Ca^2+, and Cl^- faster than simple diffusion allows. prevent the transport of any ions against their concentration gradients. What is the equilibrium constant (K) at 25 degree C for the following cell reaction? Fe(s) + Cd^2+(aq) rightarrow Fe^3+(aq) + Cd(s): E degree_cell = 0.010 V 1.5 2.2 0.25 1.0 0.010 Which statement correctly describes the meaning of the value of delta G degree_rxn for a reactant-favored reaction? It is the amount of energy that is required to overcome the disorder of the system. It is the amount of additional energy that must be supplied in order to initiate reaction. It is the minimum amount of work which must be done on the system to make reaction occur. It is the minimum amount of heat released from the system when reaction occurs. It is the maximum amount of useful work obtainable from the reaction when it occurs.

Answer 1

n A 요. emosie oe reeeean across the membrane to generale toalet of bota Naf 오 k+. 13- por seade t fewru ne4 Yec.et2a for Res, + cdcaa/ → +24 t Cores) [T> 2r +273 Caa) o-olov 2417-571 Inke giveny = 9 3000 C Kc = e ke 2-2