2nd October 2019

thoughtco

17

How are physical and chemical properties different?

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A physical property is an aspect of matter that can be observed or measured without changing its chemical composition. Examples of physical properties include color, molecular weight and volume. A chemical property may only be observed by changing the chemical identity of a substance.

Regarding this, how are physical and chemical changes similar and different?

(compare and contrast) (Physical and chemical changes are similar because matter experiences a change in state, Physical changes are different because matter remains the same substance, just in a different state, whereas chemical changes change the matter forever).

What are differences between physical and chemical changes?

There are several differences between a physical and chemical change in matter or substances. A physical change in a substance doesn't change what the substance is. In a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.

What are the properties of physical and chemical changes?

physical and chemical properties. Examples of physical properties are: color, smell, freezing point, boiling point, melting point, infra-red spectrum, attraction (paramagnetic) or repulsion (diamagnetic) to magnets, opacity, viscosity and density. There are many more examples.

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Is a luster a chemical or physical property?

Physical properties can be broken down into extensive and intensive properties. Intensive properities can help you identify a substance. Likewise, melting point is also an intensive property. Other examples of intensive properties include density , solubility, color, luster, freezing point and malleability.

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What are examples of physical and chemical properties?

physical and chemical properties. Examples of physical properties are: color, smell, freezing point, boiling point, melting point, infra-red spectrum, attraction (paramagnetic) or repulsion (diamagnetic) to magnets, opacity, viscosity and density. There are many more examples.

3

Is flammability a physical and chemical properties?

Chemical properties are properties that can be measured or observed only when matter undergoes a change to become an entirely different kind of matter. They include reactivity, flammability, and the ability to rust. Reactivity is the ability of matter to react chemically with other substances.

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Which is an example of a chemical property?

Some common physical properties are odor, density, melting point and boiling point, while some common chemical properties are heat of combustion, enthalpy of formation, toxicity, and flammability, each of which will be covered in this lesson.

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How is a chemical change different from a physical change?

There are several differences between a physical and chemical change in matter or substances. A physical change in a substance doesn't change what the substance is. In a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.

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What are some examples of a chemical property?

Examples of chemical properties of a substance can include:

toxicity.
oxidation.
flammability.
heat of combustion.
enthalpy of formation.
chemical stability under specific conditions.
radioactivity.

7

Is flammable a chemical or physical property?

Flammability is a chemical property because combustion is a chemical change. A chemical change is a process in which one or more substances are converted into one or more new substances with different properties. Gasoline is highly flammable. Flammability is a measure of how easily something will burn.

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What are the physical and chemical properties?

Physical properties are those that can be observed without changing the identity of the substance. The general properties of matter such as color, density, hardness, are examples of physical properties. Flammability and corrosion/oxidation resistance are examples of chemical properties.

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What are two physical properties?

Some examples of physical properties are:

color (intensive)
density (intensive)
volume (extensive)
mass (extensive)
boiling point (intensive): the temperature at which a substance boils.
melting point (intensive): the temperature at which a substance melts.

10

What are the physical and chemical properties of metals?

Metals are dense, shiny, good conductors of heat and electricity, and easily lose electrons in chemical reactions. Nonmetals are not dense, dull, do not conduct heat and electricity, and tend to gain electrons. Metalloids are elements that have properties of both metals and nonmetals.

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What is the definition of a chemical property?

A chemical property is any of a material's properties that becomes evident during, or after, a chemical reaction; that is, any quality that can be established only by changing a substance's chemical identity. They can also be useful to identify an unknown substance or to separate or purify it from other substances.

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What are the physical properties of aluminum foil?

What are its Attributes?

• Temperature resistance from deep-freeze to oven processing.
• Heat conductivity and reflectivity.
• Electrical conductivity.
• Strength and durability.
• Compatibility with foods and pharmaceuticals.
• Ease of lamination and coating.
• Flexibility.
• Formability and non-returning dead-fold.

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How are elements and compounds similar and how are they different?

A compound contains atoms of different elements chemically combined together in a fixed ratio. An element is a pure chemical substance made of same type of atom. A compound can be separated into simpler substances by chemical methods/reactions.

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Is conductivity a chemical or physical property?

A physical property is a characteristic of matter that is not associated with a change in its chemical composition. Familiar examples of physical properties include density, color, hardness, melting and boiling points, and electrical conductivity.

15

Is malleable a physical or chemical property?

Malleability is a physical property of matter; it is not a chemical property of matter. Other physical properties of matter are things like ductility (ability to be drawn into thin wires), density, color, smell, thermal conductivity, and freezing point.

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Why do elements of the same family have similar properties?

The elements in the same group has similar number of valence electrons. They have identical number of electrons in their outermost shell. e.g. All the alkali metals in Group 1 have 1 valence electron, so they all tend to react the same way with other substances.

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What is the definition of chemical properties?

Chemistry. a property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed: Combustibility is an important chemical property to consider when choosing building materials.

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How are physical properties and physical changes different?

Physical properties can be observed or measured without changing the composition of matter. Physical properties are used to observe and describe matter. Physical properties include: appearance, texture, color, odor, melting point, boiling point, density, solubility, polarity, and many others.

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Why is the reactivity not a physical property?

One chemical property is reactivity. Reactivity is the ability of a substance to change into one or more new substances. They can be physical properties, such as density, or chemical properties, such as reactivity.

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