In an electrochemical cell, Q = 0.00025 and K = 0.70. What can you conclude about Ecell and E°cell? Ecell is positive and E°cell is positive Ecell is negative and E°cell is positive Ecell is negative and E°cell is negative Ecell is positive and E°cell is negative

In an electrochemical cell, Q = 0.00025 and K = 0.70. What can you conclude about Ecell and E°cell? Ecell is positive and E°cell is positive Ecell is negative and E°cell is positive Ecell is negative and E°cell is negative Ecell is positive and E°cell is negative

Biomedical Instrumentation Systems

1st Edition

ISBN:9781133478294

Author:Chatterjee

Publisher:Chatterjee

Chapter6: Biomedical Electrodes, Sensors, And Transducers

Section: Chapter Questions

Problem 2P

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Concept explainers

Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.

Question

In an electrochemical cell, Q = 0.00025 and K = 0.70. What can you conclude about E_cell and E°_cell?

		E_cell is positive and E°_cell is positive
		E_cell is negative and E°_cell is positive
		E_cell is negative and E°_cell is negative
		E_cell is positive and E°_cell is negative

Definition Definition Study of chemical reactions that result in the production of electrical energy. Electrochemistry focuses particularly on how chemical energy is converted into electrical energy and vice-versa. This energy is used in various kinds of cells, batteries, and appliances. Most electrochemical reactions involve oxidation and reduction.

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