Use the Following to Answer Questions 55-58

question 267

Essay

Use the following to answer questions 55-58:
-The galvanic cell shown above uses the half-cells Pb²⁺/Pb and Zn²⁺/Zn, and a salt bridge containing KCl(aq).The voltmeter gives a positive voltage reading.Identify A and write the half-reaction that occurs in that compartment.Does the size of the electrode A increase or decrease during operation of the cell? What is the voltmeter reading?

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Definitions:

Urination

The process of excreting urine from the urinary bladder through the urethra to the outside of the body, an essential function for eliminating waste.

Filtration

A process that separates solids from liquids or gases using a filter medium that only allows the fluid to pass through.

Reabsorption

The process by which substances are taken back into the bloodstream from the fluids in the kidneys.

Malpighian Tubules

Excretory structures in insects and some other arthropods that remove wastes from the body and help in osmoregulation.