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Chemists say something like "amount of heat consumed for a chemical reaction equals the change in enthalpy" but I cannot understand why this is the case. Here is my argument:...
Asked on 02/27/2021
1 answerHow can you determine molar extinction coefficient from the graph of Transmittance vs Wavelength, where the solution concentration and thickness of cuvette are known and constant by using Beer-Lambert Law?...
Asked on 02/27/2021 by blue3lf
0 answerOriginally I was going to put "laser" in the title, but didn't want to restrict wavelength (e.g. masers). I did put "beam" in the title, since there may be highly...
Asked on 02/26/2021
3 answerWhich of the following does not show any interference pattern?a) Soap bubble b) Excessively thin film c) A thick film d) Wedge Shaped film I saw that explanation (Answer:...
Asked on 02/26/2021 by user272506
0 answerI recently saw an interesting paper: https://arxiv.org/abs/1912.13435, where the author wrote the Feynman propagator of free massless scalar field as$$D_F(x-x') = -iintlimits_{-infty}^infty frac{domega}{2pi} e^{-iomega...
Asked on 02/26/2021 by ielschany
0 answerFrom Wikipedia:Mass accretion The following derivation is for a body that is gaining mass (accretion). A body of time-varying mass $m$ moves at a velocity $mathbf{v}$ at an...
Asked on 02/26/2021 by Pranav K
4 answerWhen passing through a magnetic field, electrons are deflected sideways. This is the basis of the Lorentz force and all Hall effects. If this is done on a larger scale...
Asked on 02/26/2021
1 answerI know the correlation function for critical phenomena $$G(r)sim frac{1}{|r|^{d-2+eta}}$$ for $rll xi$ and $$G(r)sim e^{-|r|/xi}$$ for $rggxi$....
Asked on 02/26/2021
1 answerI have created the following script that will propagate the dynamics of the CRTBP set for the Earth-Moon system. I have the initial conditions set for a vertical Lyaponov orbit....
Asked on 02/26/2021 by John Shepard
0 answerGiven a trace function, say the von Neumann entropy $S(rho) = - mathrm{tr}(rho log rho)$, can it be express as a matrix $M$ where $S(rho) = ...
Asked on 02/26/2021 by 2ub
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