CHEMISTRY COMMUNITY - Thermodynamics

Thermodynamics

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Thermodynamic Systems (Open, Closed, Isolated)
Moderators: Chem_Mod, Chem_Admin
Topics: 1427

1427 Topics

7861 Posts

Last post Re: Classifying Thermodynamic…
by JadaArreola_2E View the latest post
Mon Mar 18, 2024 1:01 am
Thermodynamic Definitions (isochoric/isometric, isothermal, isobaric)
isochoric/isometric: $\Delta V = 0$
isothermal: $\Delta T = 0$
isobaric: $\Delta P = 0$
Moderators: Chem_Mod, Chem_Admin
Topics: 983

983 Topics

4136 Posts

Last post Re: Isothermal processes
by Anya 1G View the latest post
Mon Mar 18, 2024 1:08 pm
Calculating Work of Expansion
$w=-P\Delta V$
and
$w=-\int_{V_{1}}^{V_{2}}PdV=-nRTln\frac{V_{2}}{V_{1}}$
Moderators: Chem_Mod, Chem_Admin
Topics: 2005

2005 Topics

7688 Posts

Last post Re: finding work with minimal…
by Isaac 14B View the latest post
Sun Mar 17, 2024 11:33 pm
Concepts & Calculations Using First Law of Thermodynamics
$\Delta U=q+w$
Moderators: Chem_Mod, Chem_Admin
Topics: 2241

2241 Topics

8308 Posts

Last post Re: Energy Contribution
by Brian Huynh 2L View the latest post
Mon Mar 18, 2024 9:06 am
Concepts & Calculations Using Second Law of Thermodynamics
$\Delta S = \frac{q_{rev}}{T}$
Moderators: Chem_Mod, Chem_Admin
Topics: 2153

2153 Topics

7077 Posts

Last post Re: Finding EntropY Using Exp…
by Brandon Li View the latest post
Sun Mar 17, 2024 9:17 pm
Third Law of Thermodynamics (For a Unique Ground State (W=1): S -> 0 as T -> 0) and Calculations Using Boltzmann Equation for Entropy
Boltzmann Equation for Entropy: $S = k_{B} \ln W$
Moderators: Chem_Mod, Chem_Admin
Topics: 927

927 Topics

2895 Posts

Last post Re: Molar Entropy
by 205873468 View the latest post
Mon Mar 18, 2024 11:59 am
Entropy Changes Due to Changes in Volume and Temperature
Volume: $\Delta S = nR\ln \frac{V_{2}}{V_{1}}$
Temperature: $\Delta S = nC\ln \frac{T_{2}}{T_{1}}$
Moderators: Chem_Mod, Chem_Admin
Topics: 1930

1930 Topics

6304 Posts

Last post Re: HW 5-6: Question 8
by Mackenzie Lay 2H View the latest post
Mon Mar 18, 2024 11:24 pm
Calculating Standard Reaction Entropies (e.g. , Using Standard Molar Entropies)
Moderators: Chem_Mod, Chem_Admin
Topics: 758

758 Topics

2843 Posts

Last post Re: Molar Entropy
by Mackenzie Lay 2H View the latest post
Mon Mar 18, 2024 11:09 pm
Gibbs Free Energy Concepts and Calculations
$\Delta G^{\circ}= \Delta H^{\circ} - T \Delta S^{\circ}$

$\Delta G^{\circ}= -RT\ln K$

$\Delta G^{\circ}= \sum \Delta G_{f}^{\circ}(products) - \sum \Delta G_{f}^{\circ}(reactants)$
Moderators: Chem_Mod, Chem_Admin
Topics: 2623

2623 Topics

9758 Posts

Last post Re: Calculate equilibrium con…
by Mackenzie Lay 2H View the latest post
Mon Mar 18, 2024 11:05 pm
Van't Hoff Equation
$\ln K = -\frac{\Delta H^{\circ}}{RT} + \frac{\Delta S^{\circ}}{R}$
Moderators: Chem_Mod, Chem_Admin
Topics: 343

343 Topics

1665 Posts

Last post Re: Van't Hoff Equations
by 705903057 View the latest post
Mon Mar 18, 2024 11:57 am
Environment, Fossil Fuels, Alternative Fuels
Moderators: Chem_Mod, Chem_Admin
Topics: 27

27 Topics

139 Posts

Last post Re: Electrolysis Equations
by Sarah Egan 3A View the latest post
Sat Mar 16, 2024 11:39 pm
Biological Examples (*DNA Structural Transitions, etc.)
Moderators: Chem_Mod, Chem_Admin
Topics: 38

38 Topics

152 Posts

Last post Re: Thermodynamics and ATP hy…
by Anastasia_3B View the latest post
Wed Feb 28, 2024 10:09 am

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