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Is changes in energy a chemical change?
Changes in energy themselves are not considered chemical changes. Instead, changes in energy may occur as a result of a chemical change taking place, such as in an exothermic or endothermic reaction where energy is either released or absorbed.
Are phase changes physical or chemical in nature?
Phase changes are physical changes in nature. They involve a change in the state of matter (solid, liquid, gas) rather than a change in the chemical composition of the substance. Heating or cooling a substance can trigger phase changes.
What changes volcanes take place as a result of this natural progess?
about volcanoes
What changes takes place when a gas changes directly to a solid?
This change is called sublimation.
What permanent changes took place for the labor unions as a result of the new deal?
The permanent changes that took place for labor unions as a result of the new deal was social security, public works, and federal agencies.
Write 3 differences between chemical and physical change?
Okay now here goes in a physical change no chemical reaction takes place. in chemical change chemical reactions take place. A physical change is reversible but a chemical change is not.In a physical change no new substance is formed(A+B=B) in a chemical change new substances are formed(A+B=C)
How do you know when a physical change is taking place?
The best way to know when a physical change is taking place is to observe. There will be a visible change in physical changes.
What are facts about change?
Chemical changes take place on the molecular level
What changes takes place when ice turns into liquid?
A phase change.
Why does a foundation like the constitution need a amendment process?
Because the world changes over time. As a result, laws sometimes need to be changed. To create this change there must be a process in place to do so.
What changes takes place when ice turns into liquid water?
A phase change.
In examples of chemical changes the odor of sour milk indicates a chemical change has taken place true or false?
True. The souring of milk is a chemical change caused by the breakdown of lactose sugars into lactic acid by bacteria. The change in odor is a result of this chemical reaction.
