Thermodynamics for Chemical

During adiabatic expansion of gas___________________?

Byadmin March 11, 2019August 29, 2021

During adiabatic expansion of gas___________________?

A. Pressure remains constant
B. Pressure is increased
C. Temperature remains constant
D. None of these

Thermodynamics for Chemical

For an irreversible process involving only pressure-volume work____________________?

For an irreversible process involving only pressure-volume work____________________?

A. (dF)T, p <0
B. (dF)T, p = 0
C. (dF)T, p > 0
D. (dA)T, v >0

Read More For an irreversible process involving only pressure-volume work____________________?
Thermodynamics for Chemical

Any substance above its critical temperature exists as _____________________?

Any substance above its critical temperature exists as _____________________?

A. Saturated vapour
B. Solid
C. Gas
D. Liquid

Read More Any substance above its critical temperature exists as _____________________?
Thermodynamics for Chemical

At normal boiling point, molar entropy of vaporisation is _____________ Joule/K°.mole?

At normal boiling point, molar entropy of vaporisation is _____________ Joule/K°.mole?

A. 72
B. 92
C. 142
D. 192

Read More At normal boiling point, molar entropy of vaporisation is _____________ Joule/K°.mole?
Thermodynamics for Chemical

“If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them”. This is ______________ law?

“If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them”. This is ______________ law?

A. Hess’s
B. Kirchoff’s
C. Lavoisier and Laplace
D. None of these

Read More “If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them”. This is ______________ law?
Thermodynamics for Chemical

In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about _____________ percent?

In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about _____________ percent?

A. 0.25
B. 0.5
C. 0.75
D. 1

Read More In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about _____________ percent?
Thermodynamics for Chemical

Heat requirement for decomposition of a compound into its elements is _____________ that is evolved during the formation of that compound from its elements?

Heat requirement for decomposition of a compound into its elements is _____________ that is evolved during the formation of that compound from its elements?

A. The same
B. Less than
C. Greater than
D. Different than

Read More Heat requirement for decomposition of a compound into its elements is _____________ that is evolved during the formation of that compound from its elements?

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