Formulas Flashcards
1
Q
What is STP?
A
22.7dm^3
1 bar
273K
2
Q
What is RTP?
A
24dm^3mol^-1
1 atm
293K
3
Q
Volumes of gases in combustion equation (x & y)
A
CxHy (g) + (x + y/4) O2 (g)
->
xCO2 (g) + (y/2) H2O (l)
4
Q
What is the methyl orange indicator color change?
A
In alkali: yellow
At end point: orange
In acid: red
5
Q
What is the phenolphthalein indicator color change?
A
In alkali: pink
At end point: colorless/ pale pink
In acid: colourless
6
Q
Dalton’s law of partial pressure
A
Ptotal = Pa + Pb + Pc …
Total P = partial P of A B C …
7
Q
What is the factor affecting strength of ionic bonds? (Lattice energy)
A
LE | = | (charge of cations * anion) / (radius cation + radius anion) |
