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Is EMF of a cell intensive or extensive?

Is EMF of a cell intensive or extensive?

EMF of a cell is an intensive property.

Is the cell potential an intensive or extensive property?

1. Half-cell reduction potentials and voltaic cell potentials are intensive properties like density and temperature. Therefore, they are independent of the quantity of material present.

Is electric potential intensive or extensive?

Intensive. The units of potential are q/C, or charge/coulomb. So like how density (intensive) is a function of mass (extensive), similarly potential (intensive) is a function of charge (extensive).

Is entropy an intensive property?

Entropy is not an Intensive Property. Entropy (S) is an ‘Extensive Property’ of a substance. But ‘Specific Entropy’ is an intensive property, which means ‘Entropy per unit mass’ of a substance.

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Why cell potential is an intensive property?

Because electrical potential is the energy needed to move a charged particle in an electric field, standard electrode potentials for half-reactions are intensive properties and do not depend on the amount of substance involved.

Why is electrode potential intensive property?

Since a standard reduction potential is an intensive property (it does not depend on how many times the reaction occurs), the potential is not multiplied by the integer required to balance the cell reaction.

Which property is called intensive property?

Examples of intensive properties include temperature, T; refractive index, n; density, ρ; and hardness of an object, η. By contrast, extensive properties such as the mass, volume and entropy of systems are additive for subsystems.

What determines the EMF of a cell?

The EMF of the cell can be determined by measuring the voltage across the cell using a voltmeter and the current in the circuit using an ammeter for various resistances.

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Why enthalpy is an extensive property?

The more of the substance(s) you have, the more heat can be absorbed or released for a given change. For example, vaporising 100 g of water takes double the amount of energy as the same process for 50 g of water. This makes enthalpy an extensive property.

Is EMF an intensive or an extensive property?

It is an Intensive Property. emf of a cell = E0 -RT/nF log(Keqm). Now, keqm (equilibrium ) does not change with concentration. Hence, it is an Intensive Property. EMF of a cell is an intensive property. Irrespective of the size of a cell voltage is same for the type of cell.

What is the difference between intensive and extensive properties?

Being intensive or extensive property is not related to changing of system properties like concentrations. It is related to scalability of systems. If you change the system scale, like doubling or halving it, and if the property remains the same, like temperature, density, composition, equilibrium EMF, it is the intensive property.

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Is electromotive force intensive or extensive?

(Also, in general, is electromotive force intensive or extensive?) (I mean emf used in other topics like electromagnetism) Being intensive or extensive property is not related to changing of system properties like concentrations. It is related to scalability of systems.

Is keqm an intensive or extensive property?

It is an Intensive Property. emf of a cell = E0 -RT/nF log (Keqm). Now, keqm (equilibrium ) does not change with concentration. Hence, it is an Intensive Property. , former Rtd. Professor and Dean at BNM Institute of Technology (2008-2018)