Enthalpy ‘H’ is defined as___________________?
A. H = E – PV
B. H = F – TS
C. H – E = PV
D. None of these
Thermodynamics for Chemical
The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is__________________?
The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is__________________?
A. ∞
B. 1
C. 0
D. -ve
When a gas in a vessel expands, its internal energy decreases. The process involved is________________?
When a gas in a vessel expands, its internal energy decreases. The process involved is________________?
A. Reversible
B. Irreversible
C. Isothermal
D. Adiabatic
For a single component two phase mixture, the number of independent variable properties are_________________?
For a single component two phase mixture, the number of independent variable properties are_________________?
A. Two
B. One
C. Zero
D. Three
Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the__________________?
Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the__________________?
A. Calorific value
B. Heat of reaction
C. Heat of combustion
D. Heat of formation
What is the value of ln y (where y = activity co-efficient) for ideal gases ?
What is the value of ln y (where y = activity co-efficient) for ideal gases ?
A. Zero
B. Unity
C. Infinity
D. Negative
What is the number of degree of freedom for a system of two miscible non-reacting species in vapor-liquid equilibrium forming an azeotrope ?
What is the number of degree of freedom for a system of two miscible non-reacting species in vapor-liquid equilibrium forming an azeotrope ?
A. 0
B. 2
C. 1
D. 3
In the ammonia synthesis reaction, N2 + 3H2 ⇌ 2NH3 + 22.4 kcal, the formation of NH3 will be favoured by___________________?
In the ammonia synthesis reaction, N2 + 3H2 ⇌ 2NH3 + 22.4 kcal, the formation of NH3 will be favoured by___________________?
A. High temperature
B. Low pressure
C. Low temperature only
D. Both low temperature and high pressure
Grams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be__________________?
Grams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be__________________?
A. 580
B. 640
C. 1160
D. Data insufficient; can’t be computed
Joule-Thomson co-efficient for a perfect gas is_____________________?
Joule-Thomson co-efficient for a perfect gas is_____________________?
A. Zero
B. Positive
C. Negative
D. None of these