C2.6 Flashcards
1
Q
What is yield ?
A
The amount of useful products obtained from a reaction
2
Q
What is theoretical yield?
A
The highest possible yield you could get from a reaction
3
Q
What is actual yield ?
A
The actual amount of yield obtained from the reaction
4
Q
What is percentage yield?
A
The comparison of actual yield to the theoretical yield
5
Q
What is the equation for percentage yield ?
A
Actual yield /Theoretical yield X 100
6
Q
Why might yield be less then expected?
A
- reaction might be incomplete
- some of the product is lost during the preparation
- there may be other unwanted reactions taking place
7
Q
What are by-products?
A
Other substances create in a reaction to make something specific
8
Q
What are waste products ?
A
Products created in a reaction that are not wanted
9
Q
What are the problems with the disposal of waste products?
A
- expensive
- cause environmental problems
- cause social problems
