Thermodynamics for Chemical

For equilibrium process (i.e. reversible) in an isolated system __________________?

Byadmin March 11, 2019August 29, 2021

For equilibrium process (i.e. reversible) in an isolated system __________________?

A. ds = 0
B. ds 0
D. ds = Constant

Thermodynamics for Chemical

The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is__________________?

The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is__________________?

A. Less
B. More
C. Same
D. Dependent on climatic conditions

Read More The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is__________________?
Thermodynamics for Chemical

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

Read More 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_________________?
Thermodynamics for Chemical

Which one is true for a throttling process ?

Which one is true for a throttling process ?

A. A gas may have more than one inversion temperatures
B. The inversion temperature is different for different gases
C. The inversion temperature is same for all gases
D. The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity

Read More Which one is true for a throttling process ?
Thermodynamics for Chemical

As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine is_________________?

As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine is_________________?

A. Not changed
B. Decreasing
C. Increasing
D. Data sufficient, can’t be predicted

Read More As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine is_________________?
Thermodynamics for Chemical

Activity co-efficient is a measure of the____________________?

Activity co-efficient is a measure of the____________________?

A. Departure from ideal solution behaviour
B. Departure of gas phase from ideal gas law
C. Vapour pressure of liquid
D. None of these

Read More Activity co-efficient is a measure of the____________________?
Thermodynamics for Chemical

Pick out the wrong statement. A. The conversion for a gas phase reaction increases with decrease in pressure, if there is an increase in volume accompanying the reaction________________?

Pick out the wrong statement. A. The conversion for a gas phase reaction increases with decrease in pressure, if there is an increase in volume accompanying the reaction________________?

B. With increase in temperature, the equilibrium constant increases for an exothermic reaction
C. The equilibrium constant of a reaction depends upon temperature only
D. The conversion for a gas phase reaction increases with increase in pressure, if there is a
decrease in volume accompanying the reaction

Read More Pick out the wrong statement. A. The conversion for a gas phase reaction increases with decrease in pressure, if there is an increase in volume accompanying the reaction________________?