quiz 16 Flashcards
What is an exothermic reaction?
A reaction when energy is released to the surroundings
What is an endothermic reaction?
A reaction when energy is taken in from the surroundings
What does exothermic reaction do to the temperature of surroundings?
Increases
What does endothermic reaction do to the temperature of the surroundings?
Decreases
Examples of exothermic reactions?
combustion and respiration
Examples of endothermic reactions?
thermal decomposition, citric acid and sodium hydrogen carbonate
What are the uses of exothermic reactions?
self-heating cans, hand warmers
What are the uses of endothermic reactions?
sports related cold-packs
Why is an reaction profile exothermic?
The products have more energy than reactants
Why is an reaction profile endothermic?
the reactants have more energy than the products
In a reaction profile what is the top line?
reactants
In a reaction profile what is the bottom line?
products
