An open system is one in which____________________?

An open 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

Gases have___________________?

Gases have___________________?

A. only one value of specific heat
B. two values of specific heat
C. three values of specific heat
D. no value of specific heat
E. under some conditions one value and sometimes two values of specific heat

Extensive property of a system is one whose value______________________?

Extensive property of a system is one whose value______________________?

A. depends on the mass of the system like volume
B. does not depend on the mass of the system, like temperature, pressure, etc.
C. is not dependent on the path followed but on the state
D. is dependent on the path followed and not on the state
E. is always constant

According to Avogadro’s law, for a given pressure and temperature, each molecule of a gas_________________?

According to Avogadro’s law, for a given pressure and temperature, each molecule of a gas_________________?

A. occupies volume proportional to its molecular weight
B. occupies volume proportional to its specific weight
C. occupies volume inversely proportional to its molecular weight
D. occupies volume inversely proportional to its specific weight
E. occupies same volume