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SmallPieceOfBread
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7 votes

Why do we use different differential notation for heat and work?

4 votes
Accepted

Explain this equation mathematically

4 votes
Accepted

Does $U(S,V,N) = \alpha e^{\frac{S}{N c_v}} V^{\frac{c_v-c_p}{c_v}} N^{\frac{c_p}{c_v}}$ really imply zero entropy?

3 votes
Accepted

Would an isobaric expansion of an ideal gas go, if the gas is pushed by a second piston instead of getting heat?

2 votes

Can susceptibility be infinite even for small systems?

2 votes

How to show that $[L_i, v_j]=i\hbar\sum_k \epsilon_{ijk}v_k$ for any vector $\textbf{v}$ constructed from $\textbf{x}$ and/or $\nabla$?

2 votes
Accepted

Why do the liquid levels on both the containers match?

2 votes
Accepted

Proof of unitarity of gauge-invariant $S$-matrix in Peskin and Schroeder

2 votes
Accepted

Pressure becomes zero for ideal gas?

2 votes
Accepted

A calculation of microstates

2 votes

Hamiltonian w.r.t. to Lagrangian

1 vote

Multiple integration for a function dependent on 2+ variables

1 vote

Thermodynamics presents problem for origin of life? (Free Energy increases don't happen naturally?)

1 vote

Derivative of Energy wrt Volume Expectation

1 vote

Change in internal energy of ideal gas getting released into a vacuum

1 vote

How can $\mu$ be nonzero if grand canonical density operator commutes with $\hat{H}$?

1 vote

If you rewrite Boltzmann's entropy formula: $ S = k_B \ln \Omega = \int_1^{\Omega}\frac{1}{t}dt$, what does $t$ represent?

1 vote

What holds up the lowest point of a rope following a catenary curve?

1 vote

How to understand continuity equation intuitively as Lorenz covariant?

1 vote

On what quantities entropy depends upon?

1 vote
Accepted

Calculating the divergence of static electric field without making the dependency argument?

1 vote

Is adiabatic work extensive?

0 votes

I am stuck with standing waves mathematical treatment when I am using a complex function

0 votes

What is the ratio in this pulley system?

0 votes

Anticommutation and Bogoliubove transformation

0 votes

General Method for Calculating Excluded Volume

0 votes

Why is light able to shine in a narrow beam?

0 votes

How number of particles in a photon gas is not conserved?

0 votes

Image of source/sink in fluids

0 votes

Is work a state function for an isobaric process?