Describe EMF of the cell .. do not copy from Google. Do not spam✌️✌️
Answers
Answer:
The electromotive force (EMF) is the maximum potential difference between two electrodes of a galvanic or voltaic cell. This quantity is related to the tendency for an element, a compound or an ion to acquire (i.e. gain) or release (loss) electrons. For example, the maximum potential between Zn and Cu of a well known cell
Zn (s) | Zn2+ (1 M) || Cu2+ (1 M) | Cu (s)
has been measured to be 1.100 V. A concentration of 1 M in an ideal solution is defined as the standard condition, and 1.100 V is thus the standard electromotive force,DEo, or standard cell potential for the Zn-Cu galvanic cell.
Explanation:
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Explanation:
What is EMF in a cell?
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The electromotive force (EMF) is the maximum potential difference between two electrodes of a galvanic or voltaic cell. This quantity is related to the tendency for an element, a compound or an ion to acquire (i.e. gain) or release (loss) electrons. For example, the maximum potential between Zn and Cu of a well known cell
Zn (s) | Zn2+ (1 M) || Cu2+ (1 M) | Cu (s)
has been measured to be 1.100 V. A concentration of 1 M in an ideal solution is defined as the standard condition, and 1.100 V is thus the standard electromotive force,DEo, or standard cell potential for the Zn-Cu galvanic cell.
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The Electromotive force or EMF can be described in two ways, one is Physical and the other is Mathematical. But the reason why most people struggle with this Concept is because they dont Comprehend the Physical Explanation behind the EMF.
Let us firstly talk about Mathematical Explanation of EMF of a cell.
Mathematically EMF of a cell means the value of difference in the potentials of two terminals of a cell.
V-V1 = W/Q
It is a characteristic of a cell.
Now let us talk about Physical meaning of EMF:
EMF is actually the amount of work done in order to bring ions for one electrode of a cell to other electrode. That work is called EMF……