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Chemical Ideas Chapter 4
N/A
5
Chemistry
Not Applicable
05/02/2012
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Term
A reaction that gives out heat to the surrounding area is known as a what reaction?
 Definition
An exothermic reaction
Term
A reaction that takes in energy from its surroundings as known as a what reaction?
 Definition
An endothermic reaction
Term
What is the energy transfer to and from a reactions surroudings known as?
 Definition
The enthalpy change
Term
In an exothermic reaction, ΔH is....
 Definition
Negative
Term
In an endothermic reaction, ΔH is .....
 Definition
Positive
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