A solid is transformed into vapour without going to the liquid phase at_________________?
A. Triple point
B. Boiling point
C. Below triple point
D. Always
Thermodynamics for Chemical
A Carnot cycle consists of the following steps ?
A Carnot cycle consists of the following steps ?
A. Two isothermal and two isentropic
B. Two isobaric and two isothermal
C. Two isochoric and two isobaric
D. Two isothermals and two isochoric
“The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances”. This is the_________________?
“The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances”. This is the_________________?
A. Lewis-Randall rule
B. Statement of Van’t Hoff Equation
C. Le-Chatelier’s principle
D. None of these
Claude’s liquefaction process employs the cooling of gases by__________________?
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
The shape of T-S diagram for Carnot Cycle is a__________________?
The shape of T-S diagram for Carnot Cycle is a__________________?
A. Rectangle
B. Rhombus
C. Trapezoid
D. Circle
Trouton’s ratio of ______________ liquids is calculated using Kistyakowsky equation?
Trouton’s ratio of ______________ liquids is calculated using Kistyakowsky equation?
A. Polar
B. Non-polar
C. Both A. & B
D. Neither A. nor B
One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is_________________?
One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is_________________?
A. 30554
B. 10373
C. 4988.4
D. 4364.9
Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The ratio of chemical potential to free energy of a pure substance at constant temperature and pressure is________________?
Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The ratio of chemical potential to free energy of a pure substance at constant temperature and pressure is________________?
A. 0
B. 1
C. ∞
D. None of these
A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The maximum work (in J) that can be obtained from 1000 J of heat extracted from the hot reservoir is_________________?
A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The maximum work (in J) that can be obtained from 1000 J of heat extracted from the hot reservoir is_________________?
A. 349
B. 651
C. 667
D. 1000
A gas mixture of three components is brought in contact with a dispersion of an organic phase in water. The degree of freedom of the system is______________?
A gas mixture of three components is brought in contact with a dispersion of an organic phase in water. The degree of freedom of the system is______________?
A. 3
B. 4
C. 5
D. 6