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Thermodynamics for Chemical

The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is_________________?

The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is_________________?

A. R loge 4
B. R log10 4
C. Cv log10 4
D. Cv loge 4

The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is_________________? Read More »

Thermodynamics for Chemical

A liquid under pressure greater than its vapour pressure for the temperature involved is called a _____________ liquid?

A liquid under pressure greater than its vapour pressure for the temperature involved is called a _____________ liquid?

A. Sub-cooled
B. Saturated
C. Non-solidifiable
D. None of these

A liquid under pressure greater than its vapour pressure for the temperature involved is called a _____________ liquid? Read More »

Thermodynamics for Chemical

Co-efficient of Performance (COP) of a refrigerator is the ratio of the ______________________?

Co-efficient of Performance (COP) of a refrigerator is the ratio of the ______________________?

A. Work required to refrigeration obtained
B. Refrigeration obtained to the work required
C. Lower to higher temperature
D. Higher to lower temperature

Co-efficient of Performance (COP) of a refrigerator is the ratio of the ______________________? Read More »

Thermodynamics for Chemical

Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be___________________?

Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be___________________?

A. Same
B. Doubled
C. Halved
D. One fourth of its original value

Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be___________________? Read More »

Thermodynamics for Chemical