For the manometer set up shown in the figure, the pressure difference PA – PB is given by_________________?
A. (ρH – ρair)gH (Correct)B. (ρH – ρL)gHC. (ρH – ρL) gH + (ρL – ρair) . g(L – H)D. (ρH – ρL) gL + (ρL – ρair)gH
Solubility of a substance which dissolves with an increase in volume and liberation of heat will be favoured by the_______________?
A. Low pressure and high temperature
B. Low pressure and low temperature (Correct)
C. High pressure…
The equation DU = Tds – PdV is applicable to infinitesimal changes occuring in_________________?
A. An open system of constant composition
B. A closed system of constant composition
C. An open system with changes in composition