rates or reactions Flashcards
1
Q
state the definition of an ectothermic reaction
A
an exothermic reactions is on that gives out heat to its surroundings
2
Q
what is a combustion reaction?
A
a combustion is a reaction of a substance with oxygen realised heat energy
3
Q
what are 2 everyday examples of combustion reactions?
A
1.gas burning on a cooker
2.petrol burning in a car engine
4
Q
give two everyday examples of exothermic reactions that are useful?
A
1.disposable hand warmers
2.self heating coffee cup
5
Q
stage the definition of an endothermic reactions
A
an endothermic reaction is one that takes in heat from its surroundings making it cooler
6
Q
A
