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Intensive vs Extensive Properties Quiz

I. Temperature, II. Pressure, and III. Composition are intensive properties. Intensive properties are independent of the amount of matter and include temperature, pressure, density, color, boiling point, and melting point. The percent composition of a solution or mixture is also an intensive property. Extensive properties, such as mass, volume, and length, depend on the amount of matter. Therefore, the answer is C as I, II, and III are intensive properties.

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Ivy Joy Ubina
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33 views1 page

Intensive vs Extensive Properties Quiz

I. Temperature, II. Pressure, and III. Composition are intensive properties. Intensive properties are independent of the amount of matter and include temperature, pressure, density, color, boiling point, and melting point. The percent composition of a solution or mixture is also an intensive property. Extensive properties, such as mass, volume, and length, depend on the amount of matter. Therefore, the answer is C as I, II, and III are intensive properties.

Uploaded by

Ivy Joy Ubina
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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65. Which of the following properties are intensive properties?

I. Temperature
II. Pressure
III. Composition
IV. Mass

A. I only C. I, II and III


B. IV only D. I and IV
An intensive property is defined as a property that is independent of the amount of matter.
Density, temperature, pressure, color, boiling and melting point are all intensive properties. The
percent composition of a solution/mixture is also an intensive property. It is calculated by
dividing the mass of one part by the mass of the whole sample, then multiplied by 100.
Extensive properties depend on the amount of matter. For example, mass, volume and length all
depend on matter.
Therefore the answer is C.

66. Which of the following thermodynamic relations is incorrect?


A. Tds = dU + pdV C. U = Q - W
B. Tds = dH + Vdp D. H = U – pV

In general equation in solving the enthalpy its supposed to be H = U +pV.


Enthalpy, the sum of the internal energy and the product of the pressure and volume of
a thermodynamic system. Enthalpy is an energy-like property or state function—it has the
dimensions of energy (and is thus measured in units of joules or ergs), and its value is
determined entirely by the temperature, pressure, and composition of the system and not by its
history. In symbols, the enthalpy, H, equals the sum of the internal energy, U, and the product of
the pressure, P, and volume, V, of the system: H = U + PV.
Therefore letter D is the incorrect thermodynamic relation.

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