Thermodynamics for Chemical

Which of the following liquid metals has the highest thermal conductivity ?

Byadmin March 12, 2019August 30, 2021

Which of the following liquid metals has the highest thermal conductivity ?

A. Molten sodium
B. Molten lead
C. Mercury
D. Molten potassium

Thermodynamics for Chemical

A system is said to be isopiestic, if there is no ______________ change?

A system is said to be isopiestic, if there is no ______________ change?

A. Temperature
B. Pressure
C. Volume
D. None of these

Read More A system is said to be isopiestic, if there is no ______________ change?
CHEMICAL ENGINEERING | Thermodynamics for Chemical

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

Read More In the ammonia synthesis reaction, N2 + 3H2 ⇌ 2NH3 + 22.4 kcal, the formation of NH3 will be favoured by___________________?
Thermodynamics for Chemical

The work done in isothermal compression compared to that in adiabatic compression will be__________________?

The work done in isothermal compression compared to that in adiabatic compression will be__________________?

A. Less
B. More
C. Same
D. More or less depending upon the extent of work done

Read More The work done in isothermal compression compared to that in adiabatic compression will be__________________?
Thermodynamics for Chemical

Fugacity and pressure are numerically equal, when the gas is____________________?

Fugacity and pressure are numerically equal, when the gas is____________________?

A. In standard state
B. At high pressure
C. At low temperature
D. In ideal state

Read More Fugacity and pressure are numerically equal, when the gas is____________________?
Thermodynamics for Chemical

The expression for entropy change given by, ΔS = – nR ln (P2/P1), holds good for___________________?

The expression for entropy change given by, ΔS = – nR ln (P2/P1), holds good for___________________?

A. Expansion of a real gas
B. Reversible isothermal volume change
C. Heating of an ideal gas
D. Cooling of a real gas

Read More The expression for entropy change given by, ΔS = – nR ln (P2/P1), holds good for___________________?
Thermodynamics for Chemical

The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is____________________?

The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is____________________?

A. 100,000 kW
B. 160,000 kW
C. 200,000 kW
D. 320,000 kW

Read More The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is____________________?

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