C3c-rate Of Reaction 3 Flashcards
1
Q
What is a catalyst?
A
A substance which increases the speed of a reaction without being chemically changed or used up
2
Q
How does a larger surface area effect the rate of reaction?
A
More particles will be exposed to the other reactant so more collisions
3
Q
What is an explosion?
A
A very fast reaction that releases lots of gaseous products very quickly
4
Q
What are the dangers of fine combustible powder in factories?
A
They burn very fast because of their big surface area
Could cause an explosion
