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Other chemical changes occur very slowly such as the formation of?
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∙ 10y ago
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∙ 10y ago
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How can you recognize physical and chemical changes?
Physical changes can be recognized by changes in the appearance, shape, or state of a substance without changing its chemical composition. Examples include melting, freezing, or dissolving. Chemical changes, on the other hand, involve the formation of new substances with different chemical properties. Signs of chemical changes include color changes, gas production, heat release or absorption, and formation of a precipitate.
Differences between physical changes and chemical changes?
Physical changes are changes that affect the form of a chemical substance, such as changes in state or shape, without changing its chemical composition. Chemical changes, on the other hand, result in the formation of new substances with different chemical properties. Physical changes are usually reversible, while chemical changes are often irreversible.
What are some causes of chemical changes?
Chemical changes can be caused by combining two or more substances, heating or cooling a substance, exposure to light, or a chemical reaction catalyzed by enzymes or other catalysts. These changes result in the formation of new substances with different properties than the original ones.
What 2 things can chemical and physical change go through?
Chemical changes involve the formation of new substances with different chemical properties, while physical changes involve alterations in the appearance or state of matter without changing the chemical composition. Chemical changes typically involve the breaking and forming of chemical bonds, resulting in new substances with different properties. Physical changes, on the other hand, involve changes in physical characteristics such as shape, size, phase, or state of matter without altering the chemical composition of the substance.
Properties seen when one substance changes to another are know as properties?
The properties exhibited during a substance's transformation to another substance are known as chemical properties. These characteristics relate to the ability of a substance to undergo chemical changes, such as reactivity with other substances or the formation of new compounds.
How can you recognize physical and chemical changes?
Physical changes can be recognized by changes in the appearance, shape, or state of a substance without changing its chemical composition. Examples include melting, freezing, or dissolving. Chemical changes, on the other hand, involve the formation of new substances with different chemical properties. Signs of chemical changes include color changes, gas production, heat release or absorption, and formation of a precipitate.
Differences between physical changes and chemical changes?
Physical changes are changes that affect the form of a chemical substance, such as changes in state or shape, without changing its chemical composition. Chemical changes, on the other hand, result in the formation of new substances with different chemical properties. Physical changes are usually reversible, while chemical changes are often irreversible.
How are physical and chemical changes distinguished?
Physical changes involve a change in appearance or state of matter without altering the composition, like melting ice. Chemical changes, on the other hand, result in the formation of new substances with different properties, such as rusting of iron. The key difference is that chemical changes involve breaking and forming of chemical bonds.
What are the differences between physcial and chemical changes?
Physical changes involve a change in appearance, shape, or state without altering the chemical composition of the substance. Chemical changes, on the other hand, result in the formation of new substances with different chemical properties. Physical changes are usually reversible, while chemical changes are usually irreversible.
Good and bad effects of physical and chemical change?
Physical changes involve changes in appearance, shape, or state of matter without altering the chemical composition. These changes are usually reversible and do not produce new substances. On the other hand, chemical changes involve the formation of new substances with different chemical properties. They are often irreversible and can result in the release of energy, such as in combustion reactions.
What is the evidence of chemical change?
Evidence of a chemical change includes the formation of new substances with different properties, such as changes in color, temperature, odor, or formation of a precipitate. Other signs may include the release or absorption of energy, such as light or heat, and irreversibility of the change.
Can matter undergo changes in both its physical and its chemical properties Explain please?
Yes, matter can undergo changes in both its physical and chemical properties. Physical changes involve alterations in the form or state of matter without changing its chemical composition, such as melting ice into water. Chemical changes, on the other hand, involve transformations at the molecular level, resulting in the formation of new substances with different chemical properties, such as rusting of iron.
What are some causes of chemical changes?
Chemical changes can be caused by combining two or more substances, heating or cooling a substance, exposure to light, or a chemical reaction catalyzed by enzymes or other catalysts. These changes result in the formation of new substances with different properties than the original ones.
How do you know if a chemical change has occurred versus a physical one?
A chemical change results in the formation of new substances with different chemical properties, such as changes in color, odor, or the formation of gas or precipitate. A physical change, on the other hand, only affects the physical state of a substance, without changing its chemical composition.
What is the difference between chemical from physical change?
Chemical changes result in the formation of new substances with different chemical properties, while physical changes do not change the chemical composition of the substance. In a chemical change, bonds are broken and new bonds are formed, leading to a different chemical structure. On the other hand, physical changes involve a change in appearance, state, or size of a substance without altering its composition.
How would you compare physical and chemical properties and physical and chemical changes?
Physical properties are characteristics that can be observed or measured without changing the substance's identity, such as color or density. Chemical properties describe how a substance interacts with other substances, like its ability to rust or burn. Physical changes alter a substance's appearance or state without changing its chemical composition, while chemical changes result in the formation of new substances with different chemical properties.
Can matter change physically and chemically?
Yes, matter can undergo physical and chemical changes. Physical changes involve a change in the form or state of matter without altering its composition, such as melting ice. Chemical changes, on the other hand, involve a reorganization of the atoms and molecules in matter, resulting in the formation of new substances with different chemical properties, such as rusting of iron.
