S5 - Unit 3 Flashcards
1
Q
What do industrial processes aim to do?
A
Maximise profit, minimise environmental impact
2
Q
How do you make a standard solution?
A
- Weigh the solid into a small, clean beaker
- Dissolve in a small volume of water
- Transfer to a volumetric flask
- Make it up to the graduation mark with water
- Insert a stopper and invert several times to mix
3
Q
What is a limiting reactant?
A
The reactant used up in a reaction which determines the mass of product formed
4
Q
What is percentage yield?
A
The amount of product you actually make as a percentage of the amount you should theoretically make
5
Q
What is atom economy?
A
A measure of the percentage of reactants that become useful products
6
Q
A
