C3.2.1 - Exothermic And Endothermic Reactions Flashcards
1
Q
How do you know if a reaction is exothermic?
A
The temperature of the reaction mixture increases
2
Q
How do you know if a reaction is endothermic?
A
The temperature of the reaction mixture decreases
3
Q
Give an example of an exothermic reaction.
A
Neutralisation, combustion
4
Q
Give an example of an endothermic reaction.
A
Photosynthesis
5
Q
How would you investigate the temperature change of an experiment
A
Measure the initial temperature, then add the next substance, stir the mixture, measure the final temperature, measure the difference between final and initial temperature
6
Q
What is an exothermic reaction?
A
A reaction which releases energy
7
Q
What is an endothermic reaction?
A
Reaction that absorbs heat
