Thermodynamics for Chemical

A solid is transformed into vapour without going to the liquid phase at_________________?

Byadmin March 11, 2019August 29, 2021

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

For a thermodynamic system containing ‘x’ chemical species, the maximum number of phases that can co-exist at equilibrium is_________________?

For a thermodynamic system containing ‘x’ chemical species, the maximum number of phases that can co-exist at equilibrium is_________________?

A. x
B. x + 1
C. x + 2
D. x + 3

Read More For a thermodynamic system containing ‘x’ chemical species, the maximum number of phases that can co-exist at equilibrium is_________________?
Thermodynamics for Chemical

A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then (where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively) ?

A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then (where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively) ?

A. Δ S1 is always Δ SR
C. Δ S1 is always > Δ SR
D. Δ S1 is always = Δ SR

Read More A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then (where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively) ?
Thermodynamics for Chemical

The equation relating E, P, V and T which is true for all substances under all conditions is given by (∂E/∂V)T = T(∂P/∂T)H – P. This equation is called the ___________________?

The equation relating E, P, V and T which is true for all substances under all conditions is given by (∂E/∂V)T = T(∂P/∂T)H – P. This equation is called the ___________________?

A. Maxwell’s equation
B. Thermodynamic equation of state
C. Equation of state
D. Redlich-Kwong equation of state

Read More The equation relating E, P, V and T which is true for all substances under all conditions is given by (∂E/∂V)T = T(∂P/∂T)H – P. This equation is called the ___________________?
Thermodynamics for Chemical

Which is an example of closed system ?

Which is an example of closed system ?

A. Air compressor
B. Liquid cooling system of an automobile
C. Boiler
D. None of these

Read More Which is an example of closed system ?
CHEMICAL ENGINEERING | Thermodynamics for Chemical

In a turbine, the fluid expands almost_________________?

In a turbine, the fluid expands almost_________________?

A. Isothermally
B. Isobarically
C. Adiabatically
D. None of these

Read More In a turbine, the fluid expands almost_________________?
Thermodynamics for Chemical

Work done may be calculated by the expression ∫ p dA for _____________ processes ?

Work done may be calculated by the expression ∫ p dA for _____________ processes ?

A. Non-flow reversible
B. Adiabatic
C. Both A. and B
D. Neither A. nor B

Read More Work done may be calculated by the expression ∫ p dA for _____________ processes ?

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