3.1.2 - Amount of substance Flashcards
1
Q
State, with units, the ideal gas equation
A
pV=nRT
p - pressure (Pa)
V - Volume (m3)
n - no of moles
R - gas constant (8.31 JKmol)
T - Temperature (K)
2
Q
What are standard conditions?
A
298K
100 kPa
3
Q
Phenolphthalein colour change
A
Colourless to pink
4
Q
Methyl orange colour change
A
Red to yellow
5
Q
What is the importance of atom economy? (2)
A
- Raw materials are used more efficiently
- Less time/money spent disposing of by-products
