A physical change will:

will have an energy transference.

will change the properties of the substance.

A chemical change will:

will not have an energy transference.

Physical Changes Of Matter Quiz

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| By Roseweldon

Roseweldon

Community Contributor

Quizzes Created: 1 | Total Attempts: 811

| Attempts: 811

2.

A chemical change will:
- Will not have an energy transference.
- Might use electrolysis.
- Will create a new substance.
- Will create a new compound.
Correct Answer

A. Might use electrolysis.

Explanation

A chemical change refers to a process where one or more substances are transformed into different substances with different properties. Electrolysis is a method that involves the use of an electric current to drive a non-spontaneous chemical reaction. It is commonly used to break down compounds into their constituent elements or ions. Therefore, it is possible for a chemical change to involve the use of electrolysis as a means to create new substances or compounds.

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3.

_______________ is the effect of a substance changing from a solid to a gas.

Correct Answer
Sublimation

Explanation
Sublimation is the process in which a substance transitions directly from a solid state to a gas state, bypassing the liquid state. This occurs when the substance is heated and the vapor pressure of the solid exceeds the atmospheric pressure. During sublimation, the particles of the substance gain enough energy to break the intermolecular forces holding them together in the solid state, resulting in the formation of a gas. This process is commonly observed in substances like dry ice (solid carbon dioxide) and mothballs (naphthalene).

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4.

Explain, with an example, why matter cannot be destroyed.
5.

Three substances that sublimate are: dry ice (solid carbon dioxide), __________, and naphthalene.

Correct Answer
iodine, Iodine

Explanation
Sublimation is the process where a substance transitions directly from a solid to a gas without passing through the liquid phase. Dry ice (solid CO2), iodine, and naphthalene (commonly found in mothballs) are well-known examples of substances that undergo sublimation under certain conditions.

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2
6.

Give an example of an exothermic energy transference and EXPLAIN why it is exothermic.
7.

Give an example of an endothermic energy transference and EXPLAIN why it is endothermic.

Physical Changes Of Matter Quiz

A physical change will:

Quiz Preview

A chemical change will:

_______________ is the effect of a substance changing from a solid to a gas.

Explain, with an example, why matter cannot be destroyed.

Three substances that sublimate are: dry ice (solid carbon dioxide), __________, and naphthalene.

Give an example of an exothermic energy transference and EXPLAIN why it is exothermic.

Give an example of an endothermic energy transference and EXPLAIN why it is endothermic.