Why is the voltmeter connected in series in electrolysis?

In summary, the conversation is discussing the use of a voltmeter in measuring the voltage of a galvanic cell. It is questioned why the voltmeter is connected in series to the external circuit and if its high resistance would affect the flow of electrons. The purpose of connecting the voltmeter in series is to measure the potential difference caused by the two different elemental metals in the cell. The high resistance of the voltmeter does not significantly affect the flow of electrons.
  • #1
lokifenrir96
21
0
Hi guys,

I was wondering, in the process of electrolysis when we are looking at a galvanic CELL, meaning a battery, why is it that when we want to measure the voltage caused by using the two metals of different elements, we connect the voltmeter in series to the external circuit?

If you don't really know what I'm talking about, just imagine a galvanic cell: 2 half cells, 2 different elemental metals dipped in solution in both half cells. Electrons flow from more reactive (more lilely to undergo oxidation) to less reactive, through the external circuit. Why is the voltmeter connected in series to the external circuit?

I thought voltmeters have infinitely high resistance? Wouldn't this affect the flow of electrons?

Thank you!
 
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  • #2
bump? :)
 

Related to Why is the voltmeter connected in series in electrolysis?

What is a voltmeter and how does it work?

A voltmeter is an instrument used to measure electrical voltage. It works by connecting two probes to the circuit being measured, and then displaying the voltage reading on a digital or analog display.

Why is a voltmeter used in electrolysis experiments?

A voltmeter is used in electrolysis experiments to monitor the voltage of the electrical current being applied to the electrolytic cell. This voltage can help determine the efficiency of the electrolysis process and ensure that the proper amount of electrical energy is being supplied.

How is a voltmeter connected in an electrolysis circuit?

In an electrolysis circuit, the voltmeter is connected in parallel with the electrolytic cell. This means that the voltmeter is connected to the same points as the cell, allowing it to measure the voltage directly across the cell.

What does a voltmeter reading indicate in an electrolysis experiment?

The voltmeter reading in an electrolysis experiment indicates the voltage being applied to the electrolytic cell. This can provide information on the efficiency of the electrolysis process, as well as the amount of electrical energy being used.

How can a voltmeter reading be used to calculate the amount of product produced in electrolysis?

By using Faraday's law, the voltmeter reading can be used to calculate the amount of product produced in electrolysis. This law states that the amount of product produced is directly proportional to the amount of electrical energy supplied. By knowing the voltage and the time of the electrolysis, the amount of product can be determined.

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