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Question

Why is density considered a physical property rather than a chemical property of matter?

Answer “Why is density a physical or chemical property?”.

Properties of Matter:

There are two types of properties in matter: chemical and physical. It is possible to observe or measure a physical property without exposing matter to a chemical reaction which transforms it into another one. A chemical property, on the other hand can only be measured or observed once a matter has been allowed to change its structure.

Density

It’s a measure of the mass per volume. The object’s average density is its total mass divided with its volume. A object made of a dense material will have fewer volumes than one made from a less dense substance. The units used to measure density are grams per cubic meter.

Answer

The formula of density is D = m / V .

Density can be described as a property of matter. It is an intensive property. An intensive property is the ratio between two properties of the same object or system. It has a narrow range for densities. It is an intens property because it doesn’t depend on the amount of material. Density is a physical property.

It is possible to measure the mass of an object without altering its composition. The same applies to an object’s volume. This property is a physical property, meaning that it does not require a chemical reaction to measure the object’s density.

Relevant knowledge

Question

a. You can express the density of an object in units of kg/L or in units of g/mL. How is the density of an object in kg/L related to its density in g/mL?

b. You are given a sample block of an unknown metal. The block displaces 3.24 mL of water and has a mass of 62.5429 g. What is the density of the unknown metal? What is the metal?

Answer

a. SI unit of density is Kilogram per cubic meter. is equal to 0.001g/ml or 0.001kg/L. A mass of 1 kg was set equal to 1L volume of water. Therefore density of water is 1Kg/L . A density of 1Kg/L is exactly equivalent to 1g/ml.

b.

Volume of metal is 3.24ml and mass is 62.5429g. The mass per volume is the measure of a metal’s density.

So, the density of metal is 19.30g/ml. The metal is gold. Gold has a density of 19.30g/ml.

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