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Does a chemical change create a temperature change?

Almost all chemical changes release or take in energy, and thus do result in changes in temperature.


If one substance changes color is it a chemical reaction?

Not necessarily. Things sometimes change colors during a chemical reaction, but a color change is not sufficient evidence of a chemical reaction. You can add drink mix to water and the water turns colors, but it is not a chemical reaction, just a mixture.


What can be used as an indicator fot a physical change and a chemical change?

A temperature change can be seen both in physical and chemical changes.


Is this true or false a change in temperature is always an indicator of a chemical reaction?

False. A change in temperature can indicate a chemical reaction, but it is not always the case. Temperature changes can also result from physical changes, such as phase transitions (e.g., melting or boiling). Therefore, while temperature change can be a sign of a chemical reaction, it is not a definitive indicator on its own.


Some ways that density can change?

Pressure Temperature Changes in the molecular structure(chemical change)


Is it possible to have a temperature change without a chemical change?

Yes, a temperature change without a chemical change is possible. A piece of ice can melt into water and then evaporate into water vapor. These changes are all physical changes, and there must be a change in temperature for them to occur.


What results after a chemical change?

A chemical change produces a form of matter that was not there before. Evidence of a chemical change could be changes in temperature, color, smell, and the production of a gas or a precipitate.


Difference between chemical and physical change?

A chemical change is when the chemical properties of a substance changes and a physical change is when the chemical properties stay the same but the physical properties (shape, temperature etc...)


Is oxygen a chemical change or a physical?

Oxygen is a chemical element, so its presence does not involve a chemical change. It undergoes physical changes such as changes in state (gas to liquid) based on temperature and pressure.


How does a graduate cylinder account for the volume change due to temperature changes?

They have excellent chemical high resistance. They also have better resistance to temperature changes.


How does the graduated cylinder account for the volume change due to temperature changes?

They have excellent chemical high resistance. They also have better resistance to temperature changes.


What does not signal a chemical change color change or production of light and heat or production of gas or change in state?

A change in state does not necessarily indicate a chemical change. Melting, freezing, boiling, or condensing of a substance are physical changes that do not involve a change in the chemical composition of the substance.