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Physical-chemistry
New post in Physical-chemistry
Why is partial pressure proportional to mole fraction in Henry's law?
June 12th, 2021
gas-laws
solutions
physical-chemistry
What is the molecular interpretation of Raoult's law?
August 1st, 2022
mixtures
thermodynamics
physical-chemistry
When is phosphorus a polyatomic molecule?
August 1st, 2022
pnictogen
atoms
physical-chemistry
Lennard-Jones potential and vibrational energy level diagram explanation
August 1st, 2022
bond
physical-chemistry
Why are potentials of cells with magnesium electrode always lower than expected?
August 1st, 2022
experimental-chemistry
electrochemistry
physical-chemistry
Does MgCl2 sol coagulate gold sol faster than Fe(OH)3 sol?
August 1st, 2022
colloids
physical-chemistry
Relation between the virial coefficients and van der Waals constants
August 1st, 2022
thermodynamics
physical-chemistry
equation-of-state
Bonding and anti-bonding orbitals in the light of time-dependent Schrödinger equation?
August 1st, 2022
physical-chemistry
bond
quantum-chemistry
orbitals
molecular-orbital-theory
How to calculate the probability of finding an electron in a box between 0.25L and 0.75L?
August 1st, 2022
physical-chemistry
quantum-chemistry
What is the reason a grain of salt alters the perceived bitterness of coffee by such a high degree?
August 1st, 2022
physical-chemistry
everyday-chemistry
molecules
home-experiment
ph
pH of dilute HCl solution
August 1st, 2022
physical-chemistry
acid-base
ph
Calculating how many grams will I get from a reaction
August 1st, 2022
physical-chemistry
stoichiometry
Convergence issue in Gaussian
February 20th, 2021
physical-chemistry
quantum-chemistry
molecular-structure
Why do some elements with high electronegativity exhibit metallic properties?
August 1st, 2022
physical-chemistry
electrons
metal
electronegativity
Calculating Enthalpy Changes at Different Temperatures
August 1st, 2022
entropy
physical-chemistry
enthalpy
Is the compressibility factor smaller or greater than 1 at low temperature and high pressure?
July 24th, 2020
gas-laws
physical-chemistry
Why can dissolution reactions (e.g. dissolution of calcium chloride) be exothermic?
December 10th, 2020
thermodynamics
physical-chemistry
What properties does a solvent with a high dielectric constant have?
August 1st, 2022
solutions
physical-chemistry
Applying the Le Chatelier principle
August 1st, 2022
physical-chemistry
equilibrium
Finding rate of reaction from a concentration vs. time graph
August 1st, 2022
physical-chemistry
kinetics
Why do we need the rms, mean, and most probable velocities?
August 1st, 2022
physical-chemistry
kinetic-theory-of-gases
Why is the enthalpy of vaporization greater than the enthalpy of fusion?
August 1st, 2022
enthalpy
thermodynamics
physical-chemistry
Azeotropes and separation by distillation?
August 1st, 2022
aqueous-solution
thermodynamics
physical-chemistry
purification
Computing accurate vibrational and rotational contributions to the free energy of transition states and loosely bound complexes
August 1st, 2022
physical-chemistry
computational-chemistry
statistical-mechanics
Strength of intramolecular vs intermolecular hydrogen bonds
August 1st, 2022
hydrogen-bond
energy
physical-chemistry
Activated Complex Products/Reactants
August 1st, 2022
free-energy
energy
kinetics
physical-chemistry
For a system to undergo a spontaneous change at constant temperature and pressure the Gibbs free energy must decrease, but how?
September 7th, 2020
thermodynamics
physical-chemistry
Dependence of change in entropy on temperature
August 1st, 2022
physical-chemistry
thermodynamics
entropy
How to calculate the pH of a 0.325 M solution of pyridine hydrofloride?
August 1st, 2022
physical-chemistry
acid-base
ph
How to determine age of stones (and other inorganic matter)?
August 1st, 2022
inorganic-chemistry
physical-chemistry
analytical-chemistry
geochemistry
minerals
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