Questions tagged [equation-of-state]
Questions related to a thermodynamic equation describing the state of matter under a given set of physical conditions.
6
questions with no upvoted or accepted answers
2
votes
0answers
157 views
Calculating phase diagram of mixed component natural gases (Bubble and Dew points)
I'm developing a piece of software which calculates and plots the Phase diagram (PT) for a mixed component natural gas.
For reference I have a common used natural gas plotted using a commercial ...
2
votes
0answers
70 views
Calculating the number of energy states in a particular momentum direction
Given is a 2D scenario of a particle within a container:
The circumference shows all the possible 2D spatial directions for a given momentum value of the particle. One of those momentum directions is ...
2
votes
0answers
9k views
dU/dV in van der Waals equation of state derivation
Previous, I proved that
$$\frac{T_2}{T_1}^{C_V/(C_p-C_V)}=\frac{V_1}{V_2}$$
I've been asked to derive a similar expression for a gas that obeys the equation of state
$$p=\frac{RT}{(\overline{V}-b)}$...
2
votes
0answers
91 views
understanding redox reaction
I am a total noob in chemistry, so sorry in advance if this is a very stupid question... I am trying to solve this redox reaction:
$$\ce{KClO3 + FeSO4 + H2SO4 -> Fe2(SO4)3 + KCl}$$
$$\ce{K^{+1}Cl^{...
0
votes
0answers
22 views
At what pressure is the triple point of ethane?
Depending on source there are two givens for the triple point of ethane: 0.8 Pa or 1.1 Pa. Only one of them can be correct, which one is?
-1
votes
1answer
57 views
How to determine if pressure surpasses capacity with the van der Waals equation of state?
I have to decide whether a $\pu{20 L}$ container with $\pu{0.8 kg}$ ethane can withstand the pressure at $\pu{373.15 K}$. The following information is given:
\begin{align}
b &= \pu{6.448x10^-2 ...
