Catalysts Flashcards
Preparing oxygen
1
Q
Why does it slow down?
A
The reactants are being used up
2
Q
Formula for rate of reaction?
A
Change in any reaction/product
time
3
Q
Word equation for preparing oxygen?
A
Hydrogen peroxide—>water + oxygen
4
Q
What is the rate of reaction?
A
The change in concentration of the reactant or products
5
Q
Chemical equation for preparing oxygen?
A
2H(2)O—->2H(2)O+2O(2)
6
Q
What is the catalyst used in this equation?
A
Manganese dioxide
7
Q
Is the reaction fastest at the start or the end?
A
The start
8
Q
The rate of the reaction is altered by…
A
the presence of the catalyst (manganese dioxide)
