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Results tagged with thermodynamics
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user 3879
Applicable to questions about heat, energy, work, and their interconversion in chemistry. See the tag wiki for a detailed list of topics. Questions tagged may also be tagged with [enthalpy], [energy], [free-energy] where appropriate.
1
vote
Entropy change in adiabatic process
Because there is many way to produce work and there is always irreversibility associated with real production. This is why work and heat variation are not exact differential. The path (the way) used d …
- 1,046
1
vote
Chemical Potential of Idea gas?
Yes, by definition chemical potential is related to Gibbs potential in the following way:
$\mu_i = \left(\frac{\partial G}{\partial n_i}\right)_{p,T,n_{j\neq i}} = g_i$
Those two notation are synony …
- 1,046
2
votes
calculating Kp with partial pressures
I do agree with your point and Philipp explanation. Getting more formal, your $K_p$ at 35°C is:
$$ K^\circ_p(308.15\,\mathrm{K}) = \frac{\left(\frac{p_\mathrm{tot}}{p_\circ}\right)^2\chi^2_\mathrm{NO …
- 1,046
0
votes
Why is the enthalpy of vaporization greater than the enthalpy of fusion?
Enthalpy is state function which is defined as $H = U + pV$, it includes internal energy of the system and energy to create the system volume (boundary work).
Internal energy may be decomposed in se …
- 1,046
3
votes
Accepted
How to trace an energy versus time diagram?
Assuming you want to plot heat exchanged by reaction versus time, you need at least to know what reaction you want to study. Then you will have to assess two different quantities: enthalpy if the proc …
- 1,046
3
votes
Accepted
How to derive van 't Hoff equation for Henry's law constant?
Assuming Henry's coefficient $\mathcal{H}_i$ is defined by the following relation:
$$
\mathcal{H}_i = \gamma_i^\inf \cdot p_i^\mathrm{sat}
$$
Where $\gamma_i^\inf$ is the activity coefficient for an i …
- 1,046