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Which example involves a phase change in which heat energy is released by the substance?
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Sensible heat involves a change in a substance's?
Sensible heat refers to the heat that is exchanged by a body or thermodynamic system. It involves a change in a substance's temperature.
Is Hydration a physical or chemical change?
Hydration is a chemical reaction. It involves the addition of water to another substance.
What are the differences between a chemical and physical change?
A physical change doesn't change the molecular properties of a substance. Some examples of physical changes include tearing paper, or the evaporation of water. A chemical change does change the molecular properties of a substance. For example, if you burn wood you get leftover carbon, and CO2 is also released; no longer does the wood have the same molecular properties or structure.
When the physical form of substance changes without changing its composition?
This process is known as a physical change. It involves a change in the state or appearance of a substance but does not result in the formation of a new substance. Examples of physical changes include melting ice, boiling water, and breaking a glass bottle. The chemical composition of the substance remains the same throughout the physical change.
How do you change a gas into a liquid give an example?
To change from a gas into a liquid you must cool the substance. For example: water vapour to water.
Sensible heat involves a change in a substance's?
Sensible heat refers to the heat that is exchanged by a body or thermodynamic system. It involves a change in a substance's temperature.
What is the differences between chemical and physical change?
A chemical change involves a change in a substance's chemical properties (characteristics that describe how it interacts with other substances).A physical change involves a change in a substance's physical properties(characteristics that describe certain features one can see with their 5 senses).
What is a change that alters the form or appearance of a substance but does not make it into other substance?
It is considered a physical change. A chemical change involves chemical reactions that change the substance into another substance. A physical change typically only modifies the form or phase.
What are the signs of physical change and chemical change?
Physical Change: A change in which the atoms or molecules in a substance stay the same. Example: Ripping a piece of paper in half Chemical Change: A change that affects the type of molecules or atoms in a substance. Example: Burning wood The primary difference is that in a physical change, the composition of the substance remains the same, but in a chemical change, the composition of the substance changes.
An example of a substance that can be decomposed by a chemical change is?
Antimony
What is a Chemical change that involves the burning of a substance with oxygen that give off light and heat energy?
Combustion
Is Hydration a physical or chemical change?
Hydration is a chemical reaction. It involves the addition of water to another substance.
How can volume change if a substance undergoes a chemical change?
If a substance undergoes a chemical change, its properties change. For example, water, when heated turns into a gas which has a higher volume.
What example of changing a substance is an example of what?
iodine'(solid) can sublime to gas. also so does camphor Sublimation is a physical change, not a chemical change. Any substance that burns demonstrates a chemical change called combustion.
What is an example of color?
An example of color change is when a substance turns a differen color from a reaction.
Is a change that produces a new substance is a chemical change?
False. This is a chemical change. A physical change is, for example, when Ice melts into water. It is the same element but it is in a different form. A chemical change is, for example, when two hydrogen atoms and an oxygen atom come together to form a water molecule, thereby producing a new substance.
Do properties remain the same regardless of the amount of the substance?
Intensive properties remain the same with a change in the amount of a substance - for example: temperature and density Extensive properties do not remain the same with a change in the amount of a substance - for example: mass and volume
