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Thermodynamics

An isolated system is one in which_____________________?

Thermodynamics /
An isolated system is one in which_____________________?

A. mass does not cross boundaries of the system, though energy may do so
B. neither mass nor energy crosses the boundaries of the system
C. both energy and mass cross the boundaries of the system
D. mass crosses the boundary but not the energy
E. thermodynamic reactions do not occur

An isolated system is one in which_____________________? Read More »

Thermodynamics

To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is____________________?

Thermodynamics /
To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is____________________?

A. divided by its molecular weight
B. multiplied by its molecular weight
C. multiplied by its density
D. multiplied by its specific weight
E. divided by its specific weight

To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is____________________? Read More »

Thermodynamics

According to Avogadro’s Hypothesis ______________________?

Thermodynamics /
According to Avogadro’s Hypothesis ______________________?

A. the molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature
B. the sum of partial pressure of mixture of two gases is sum of the two
C. product of the gas constant and the molecular weight of an ideal gas is constant
D. gases have two values of specific heat
E. all systems can be regarded as closed systems

According to Avogadro’s Hypothesis ______________________? Read More »

Thermodynamics

According to which law, all perfect gases change in volume by l/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant ____________________?

Thermodynamics /
According to which law, all perfect gases change in volume by l/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant ____________________?

A. Joule’s law
B. Boyle’s law
C. Regnault’s law
D. Gay-Lussac law
E. Charles’ law

According to which law, all perfect gases change in volume by l/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant ____________________? Read More »

Thermodynamics