Rates of reactions Flashcards
1
Q
What sort of changes can occur in reactions?
A
- temp. Change
- colour Change
- Gas Forming
- Solid forming
should state the start colour and the end colour
2
Q
Exothermic = ?
A
Hot
3
Q
Endothermic = ?
A
cold
4
Q
What does it mean by rate of reaaction?
A
The speed of the reaction
5
Q
How can the reactions speed be increased?
A
-The size of the particles( fine powder has more surface area than a block)
-The amount of such substance
-Change the base temp.
-using a catalyst
