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I would like to calculate the entropy or enthalpies (steam, specific and inner energy) using the SRK [suave-redlich-kwong] equation, the Wilson approximation and (if necessary) the Antoine equation. and the Clausius-Clapeyron equation for a mixture of 0.199 mol/l nitrogen and 0.811 mol/l carbon diox

When I solve an exercise to calculate Gibbs Free Energs delta G I look in Tables and collect for Data for enthalpy and entropy and fill them in the formula deltaG = deltaH - T*deltaS. I am confused about the system and surrounding. Is this treated a open or closed System? Is it isothern .. I think y

Carl Edward Sagan (1934 –1996) was an American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author, and science communicator. His best known scientific contribution is his research on the possibility of extraterrestrial life, including experimental demonstration o

James Clerk Maxwell FRSE FRS (1831 – 1879) was a Scottish mathematician and scientist responsible for the classical theory of electromagnetic radiation, which was the first theory to describe electricity, magnetism and light as different manifestations of the same phenomenon. Maxwell's equations

Alessandro Giuseppe Antonio Anastasio Volta (18 February 1745 – 5 March 1827) was a Lombard physicist known especially for the development of the first electrical cell in 1800. He was born in Como in Lombardy, Italy. Volta worked on the electrophorus that makes a static electric charge in 1775. V

Formula to calculate average friction coefficient in the turbulent flow over a flat plate

Formula to calculate the average friction coefficient in the laminar flow over a flat plate

Steam with initial parameters p1 = 0.1 MPa and t1 = 390 °C was expanded isentropically to a pressure of 0.03 MPa and then heated isobarically, providing 472 kJ/kg of heat. Determine the parameters of the steam (p, v, t, h, s, x) in the characteristic states of transformations. Draw the graphical ill

David Elieser Deutsch FRS (born 18 May 1953) is a British physicist at the University of Oxford. He is a Visiting Professor in the Department of Atomic and Laser Physics at the Centre for Quantum Computation (CQC) in the Clarendon Laboratory of the University of Oxford. He pioneered the field of qua

Hi, I'm confused by this question and don't know where to start: Do I use the ideal gas law pV= mRT and take it from there? A method would be useful. Many thanks

METAL HOLE FILTER WITH KNOWN HOLE AREA: How to estimate the temperature (T2) on the other side if I know on one side (T1) . I want to get this from the pressure drop (P2-P1) I already calculated? The filter is rectangular ( a x b ) and the area free for the passage of area is S . The filter is inse

Johannes Kepler (27 December 1571 – 15 November 1630) was a German mathematics teacher, astronomer, optician, natural philosopher, astrologer and Lutheran theologian. He was Tycho Brahe's apprentice. Tycho Brahe looked at the way the planets moved in the sky. Johannes Kepler found a simple way t

Formula to calculate local friction coefficient in the turbulent flow over a flat plate

Formula of local friction coefficient in the laminar flow over a flat plate

Hello, Does anyone know typical values of cutoff ratio in diesel engines? And how have they evolved through time? Thank you!

Here's a question: A gas flows in a pipe at a rate of 1 kg/s. The pressure and temperature at one section of the pipe are 0.6 MPa and 527K. At the second section of the pipe, the pressure is 0.5MPa and temperature is 320K. The specific volume of the inlet gas is 0.249 m3/kg and at the second section

Marie Curie (1867 – 1934) was a Polish and naturalized-French physicist and chemist who conducted pioneering research on radioactivity. She was the first woman to win a Nobel Prize, the first person to win a Nobel Prize twice, and the only person to win a Nobel Prize in two scientific fields. Her hu

Hi all, Any idea about how to solve this problem? Consider a cylinder fitted with a piston which contains saturated Steam at 30°C with 80% quality. Let this vapor be compresses in a reversible adiabatic process until the pressure is 10 bars in superheated conditions .Determine the work per kilogra

Benjamin Franklin FRS FRSA FRSE (1706 - 1790) was an American polymath who was active as a writer, scientist, inventor, statesman, diplomat, printer, publisher, forger and political philosopher. Among the leading intellectuals of his time, Franklin was one of the Founding Fathers of the United St

Richard Phillips Feynman (May 11, 1918 – February 15, 1988) was an American theoretical physicist, known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, the physics of the superfluidity of supercooled liquid helium, as well as his work in

For circular tubes, The Reynolds number in terms of mass flow rate is given by, Re=4ṁ/(µ*pi*D) ........ [For circular tubes only] where, ṁ=mass flow rate, kg/s µ=dynamic viscosity, Ns/m2 D=diameter of pipe, m

Formula to calculate thickness of the boundary layer coefficient in the turbulent flow over a flat plate

Local boundary layer thickness in the laminar flow over a flat plate