4 Energetics Flashcards
(5 cards)
1
Q
What is an exothermic reaction?
A
•energy is given out
•reactants have more energy then products
2
Q
What is an endothermic reaction?
A
•energy is taken in
•reactants have less energy then products
3
Q
What is enthalpy change ?
A
•heat change at a constant pressure (under standard conditions)
•100kPA
•298K
4
Q
Examples of exothermic reactions:
A
-neutralising an acid
5
Q
A
