Entropy of a substance remains constant during a/an ____________ change?

Related Mcqs:

Claude’s liquefaction process employs the cooling of gases by__________________?

A. Expansion in an engine B. Following a constant pressure cycle C. Throttling D. None of these...

A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is φi yi P = Yi xifi° where, Φ is a vapor fugacity component, Yi is the liquid activity coefficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of ______________________?

A. Temperature only B. Temperature and pressure only C. Temperature, pressure and liquid composition xi only D. Temperature, pressure, liquid composition xi and vapour composition yi...

The compressibility factor for an ideal gas is 1. Its value for any other real gas is_______________?

A. 1 B. 1 D. Either B. or C, depends on the nature of the gas...

Solid and liquid phases of a substance are in equilibrium at the____________________?

A. Critical temperature B. Melting point C. Freezing point D. Both B. and C...

Joule-Thomson co-efficient is defined as__________________?

A. μ = (∂P/∂T)H B. μ = (∂T/∂P)H C. μ = (∂E/∂T)H D. μ = (∂E/∂P)H...