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Use the graphs if you need a visual to help answer the following questions.  Compare and contrast endothermic and exothermic. Hint:  Start with the definition of the 2 terms. How is exothermic different from endothermic and what characteristics do they share? Explain this formula:          Energy change = Energy in (reactants)  -   Energy out(products)  Hints below:  a.  When will this formula have a negative outcome and when will it have a positive outcome?  b.  Identify the negative and positive outcomes as endothermic or exothermic.

Use the graphs if you need a visual to help answer the following questions.  Compare and contrast endothermic and exothermic. Hint:  Start with the definition of the 2 terms. How is exothermic different from endothermic and what characteristics do they share? Explain this formula:          Energy change = Energy in (reactants)  -   Energy out(products)  Hints below:  a.  When will this formula have a negative outcome and when will it have a positive outcome?  b.  Identify the negative and positive outcomes as endothermic or exothermic.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Use the graphs if you need a visual to help answer the following questions. 

  1. Compare and contrast endothermic and exothermic. Hint:  Start with the definition of the 2 terms. How is exothermic different from endothermic and what characteristics do they share?



  1. Explain this formula:          Energy change = Energy in (reactants)  -   Energy out(products) 

Hints below: 

a.  When will this formula have a negative outcome and when will it have a positive outcome? 

b.  Identify the negative and positive outcomes as endothermic or exothermic. 

Energy (kJ) An exothermic reaction reactants energy given out to the surroundings ΔΗ products Reaction time Energy (kJ) An endothermic reaction reactants products energy taken in from the surroundings ΔΗ Reaction time
Transcribed Image Text:Energy (kJ) An exothermic reaction reactants energy given out to the surroundings ΔΗ products Reaction time Energy (kJ) An endothermic reaction reactants products energy taken in from the surroundings ΔΗ Reaction time
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