All Questions
10
questions
1
vote
2
answers
386
views
Triple Point of a compound and critical point
Is it necessary for all compounds to have a triple point? Also, how is the triple point determined?
Suppose a substance does not have a triple point, so how do researchers agree on the impossibility ...
- 682
0
votes
1
answer
130
views
Equilibrium for the synthesis of methanol
Liquid methanol is obtained with carbon monoxide gas and hydrogen gas in a reactor at $\pu{300 °C}$ and $\pu{250 atm}.$ $K_p = \pu{9.28E-3}.$ Find $K_c.$
With only these data, do I have to use the ...
- 201
3
votes
0
answers
319
views
Is the active mass of every solid and liquid taken to be unity?
I learnt from my textbook and the question/answer - Why is active mass of a pure solid or liquid always taken as unity? that active mass of a solid or liquid is taken to be unity as:
$$[A]=\frac n V=\...
- 2,090
2
votes
3
answers
1k
views
melting and boiling ...really equilibrium? [closed]
Why are melting and boiling considered equilibrium processes even though the amount (concentration) of both phases keep changing i.e from solid to liquid and so on?
- 47
2
votes
0
answers
222
views
How to without calculations understand the liquid-liquid extraction efficiency?
I'm asking myself this question for a very long time and I haven't found a simple an good explanation yet for the fact that it's better (if you want to clean them) to wash your hands two times with ...
- 4,197
2
votes
1
answer
953
views
Effect of pressure on the freezing temperature of water
A few lines are written in a book by B.H. Mahan regarding the change in freezing point of water on changing the pressure.
The vapor pressure of water at triple point of water is 4.579 mm. What ...
user50247
1
vote
1
answer
1k
views
Does aqueous component contribute to the equilibrium constant?
Consider an equilibrium reaction with an aqueous solution $\ce{A(aq)}$ in equilibrium phase with gas:
$$\ce{A(aq) + B(g) <=>[$K_\mathrm{eq}$] C(g)}$$
Would the equilibrium constant have aqueous ...
3
votes
3
answers
3k
views
Proof of Dynamic Nature of Equilibrium
Here is how my textbook proves that dissolution of solid in liquid is dynamic in nature. It considers the example of a saturated solution of sugar. It says that,
Though the solution is in ...
- 31
1
vote
1
answer
6k
views
3 component (ternary) system in equilibrium
If the components of a system were Cl2, Br2, and I2, how could I describe this system under equilibrium conditions when the number of phases is at a maximum?
If there are 3 components, using the ...
- 19
7
votes
1
answer
1k
views
How to find and use the Clausius-Clapeyron equation
I know how to get the equation from the Clapeyron equation but I have a question regarding a the integration along a phase boundary and a small step in the derivation that I will make clear when I ...
- 9,802